2. Fill in the gaps with appropriate word or words and write down it in your answer sheet: 110=10 (a) We need to ____ water to kill the germs in it. (b) Poisonous _____ is produced in the kitchen. (c) Riding a bicycle requires ____ energy. (d) The main source for the new technology is ___. (e) We have got ___ in the mid twentieth labour. (f) The world’s store of knowledge is ___ at a fast speed. (g) We sweat if there is more ___ in air. (h) The southern region of our country can be ___ due to the climate change. (i) ___is one of the non-renewable natural resources of our country that is exhausting quickly. (j) The impact of overpopulation has effect upon ___. 3. Write down the answer of the following questions in short in your answer sheet: 110=10 (a) Give two examples of dependencies of plants and animals on environment. (b) What is the cause of Arsenic pollution? (c) What is acid rain? (d) What is matter made of? (e) How dengue fever spread? (f) What is diurnal motion? (g) What are the three ages of agricultural technology? (h) Write down three ways of environmental conservation. (i) Why do the sun and moon look equal? (j) Why does technology develop? 4. Write answer of any eight questions including a, b and c: 58=40 (a)Write the ways by which the awareness for stopping environmental pollution in your locality can be raised with in your friends. (b) What are the harmful effects of using artificial colour and chemical in food? (c) Discuss about the importance of conservation of plants and animals. (d) What is adolescence? What changes happen during this period? (e) Technology does not remain the same, changes all the time – explain with examples. (f) How will you collect information about weather through internet? (g) Explain water cycle with figure. (h) Explain the importance of food preservation. (i) Give a short description of the members of the solar system. (j) Write the steps to be taken to prevent air pollution.
Set-1 Primary Education Completion Examination – 2014 Model Test Subject: Elementary Science Time: 2 Hours 30 Minutes Full Marks: 100 [N.B. - The figures in the right margin indicate full marks.] 1. Write down the correct answer in your answer sheet:
140 = 40
(1) Which one of the following is an example of abiotic environment? (a) Pond (b) Fish (c) Cow (d) Bird (2) Which one is a natural cause of environmental pollution? (a) Flood (b) Fresh air (c) Fertile soil (d) Pure water (3) Which of the following is a source of energy? (a) Heat (b) Energy (c) Sun (d) Moon (4) What disease does man suffer from for the impact of polluted air? (a) Jaundice (b) Asthma (c) Dysentery (d) Diarrhoea (5) Generally what type of equipment is used in office, cinema hall, and factory? (a) Microscope (b) Generator (c) Fire extinguisher (d) Oxygen cylinder (6) Which technology do you use to go to school in right time? (a) Hammer (b) Clock (c) Thermometer (d) Pen (7) Information technology influenced our(a) Personal life (b) Social life (c) National life (d) Above all (8) What is the first work to collect information by internet? (a) To see necessary work (b) To search the required software (c) To search the required information (d) To search necessary address (9) Which one is used technology? (a) Swimming in the pond (b) Climbing up tree (c) Bath with soap (d) Go to school by walk (10) Which of the following is the agent of change? (a) Mass (b) Energy (c) Force (d) Place (11) Which ages is called adolescence? (a) 5-10 years (b) 7-12 years (c) 10-15 years (d) 10-19 years (12) How much time does the earth take to move round the sun once? (a) 365 days (b) 365 days and 6 hours (c) 24 hours (d) 48 hours (13) By using a globe and candle which experiment of earth can do? (a) Season change (b) Day and night (c) Ebb and waves (d) Time (14) Which of the following instrument is used in hospital?
(a) Binocular (b) Barometer (c) E.C.G. (d) Projector (15) In which path the earth moves round the sun? (a) Circular (b) Elliptical (c) Straight (d) Cyclic (16) Which is the source of future fuel? (a) Solar energy (b) Petroleum (c) Natural gas (d) Coal (17) Which of the following is a green energy? (a) Heat (b) Wind (c) Light (d) Water (18) Which of the following is used in computer and mobile phone? (a) Germanium (b) Silicon (c) Potacium (d) Sodium (19) When the first population census is done after liberation War? (a) 1972 (b) 1973 (c) 1974 (d) 1975 (20) Where cyclone is called Typhoon? (a) China and middle Asia (b) Arab and south Asia (c) Japan and East Asia (d) Russia and west Asia (21) For which one of the following do animals depend upon the plants? (a) Light (b) Water (c) Seed (d) Food (22) Which one of the following is a correct food chain? (a) Grasshopper grasses snakesfrog (b) Froggrasshoppergrassessnakes (c) Snakes grasshoppergrassesfrog (d) Grassesgrasshopperfrogsnakes (23) Which one of the following causes air pollution? (a) Use of pesticide (b) Burning bricks in the brick fields (c) Obstacle of rain water (d) Use of chemical fertilizer (24) Which one is the natural cause of water pollution? (a) Pollution by Arsenic (b) Pollution by insecticide (c) Pollution by industrial wastes (d) Pollution by germs (25) What colour is used to mark a tube-well with Arsenic water? (a)Blue (b) Red (c) Green d) Yellow (26) Which gas is taken in the cylinder to climb a high mountain? (a) Oxygen (b) Carbon dioxide (c) Nitrogen (d) Carbon monoxide (27) Which of the following is correct? (a) Light is transmitted by the process of convection (b) Light is transmitted by the process of conduction (c) Light is transmitted by the process of radiation (d) We get heat from the sun by the process of conduction (28) Measles, pox etc. can spread through (a) Water (b)Air (c) Mosquito (d) Food (29) Which one of the following is the symptom for swine flu?
(a) Running nose (b) Increase of appetite (c) Sweating (d) Body itching (30) Which one of the following is correct? (a) Moon is a star (b) Moon is a satellite (c) Moon is a planet (b) Moon is a meteor (31) Why does season change? (a) Due to diurnal motion of earth (b) Due to annual motion of earth (c) Due to elliptical orbit of earth (d) Due to temperature change of earth (32) Which does not belong to the solar system? (a) Earth (b) Comet (c) Galaxy (d) Moon (33) Which one of the following is correct? (a) There is no relation between science and technology (b) Science and technology are the same (c) Science and technology are related (d) Science is not needed for technology (34) Technology is always— (a) Beneficial (b) Harmful (c) Depending on the application whether beneficial or harmful (d) Neither beneficial nor harmful (35) Which portable instrument should be used to store information in a small space? (a) DVD (b) Pen drive (c) CD (d) Laptop (36) What does air temperature mean? (a) How much hot or cold (b) More vapours or less vapours (c) Whether air is dense or light (d) More sunlight or less sunlight (37) Why does it rain more in the rainy season? (a) Because air temperature is high (b)Because air pressure is high (c) Because air has more vapours (d) Because air is dry (38) The prevention of water pollution is to — (a) Control of waste (b) Not to throw waste to water (c) Implementation of waste control law (d) Not to create waste (39) To convert the population into resources we need — (a) Quality science teacher (b) Quality books (c) Basic knowledge and skill (d) Realistic science education (40) Which one of the following is green energy? (a) Natural gas (b) Wind (c) Petroleum (d) Coal
2. Fill in the gaps with appropriate word or words and write down it in your answer sheet: 110=10 (a) (b) (c) (d) (e) (f) (g) (h) (i) (j)
Animal cannot produce its own __. Water turns into ___ by the heat of the sun. Electric light turns ___ energy into ___ energy. In chill condition ___ cannot grow on food. There is various ___changes during adolescence stages. Theory building needs ___ thinking. Knowledge of __ is essential for proper use of technology. Climate is the overall condition of the ___ of a place for many years. The main cause of global warming is the increase of __ gas in atmosphere. By putting dam in Kaptai river of Chittagong we are producing ___ from water.
3. Write down the short answer of the following questions in your answer sheet: (a) (b) (c) (d) (e) (f) (g) (h) (i) (j)
110=10
What is food chain? What is environmental pollution? What are the diseases caused by drinking polluted water? Write the names of four elements of air. Write the names of five kinds of energy. What do you mean by food preservation? What is galaxy? How is low pressure created? What is windmill? What do you mean by population?
4. Write answer of any eight questions including a, b and c:
58=40
(a) Discus about the importance of conservation of plants and animals. (b) What are the works where carbon dioxide can be used? (c) White down the reasons of environmental pollution. (d) Explain water cycle with diagram. (e) What are the works where flow of air can be used. (f) Describe the properties of the three states of matter. (g) Explain with diagram the reasons for day and night. (h) Give the examples of some misuse of science. (i) What are the influences of information technology in our life? (j) Explain the importance of food preservation.
Set-2 Primary Education Completion Examination – 2014 Model Test Subject: Elementary Science Time: 2 hours 30 minutes Full marks: 100 [N.B. - The figures in the right margin indicate full marks.] 1.
Write the correct answer in your answer sheet:
140=40
(1) Which disease caused by Culex mosquito bite? (a) Elephantiasis ( b) Tuberculosis (c) Pox (d) Measles (2) How much degrees of angle the earth makes with its orbit or line of path? (a) 65 degrees (b) 66 degrees (c) 67 degrees (d) 68 degrees (3) Into how many ages the progress of agriculture may be divided? (a) 2 Ages (b) 3 Ages (c) 4 Ages (d) 5 Ages (4) When the greatest revolution of agriculture occurred? (a) Start of the twentieth century ( b) End of the twentieth century (c) Start of the ninetieth century (d) End of the ninetieth century (5) Which one is the biggest ? (a) Earth (b) Sun (c) Solar system (d) Universe (6) What is the vaccine of tuberculosis disease? (a) Penicillin (b) BCG (c) Saline (d) Bacteria (7) What type of climate is in Bangladesh? (a) Cold (b) Hot (c) Hot and dry (d) Hot and humid (8) Which one of the following is a greenhouse gas? (a) Nitrogen (b) Oxygen (c) Hydrogen (d) Water vapour (9) Which one of the following is a non-renewable natural resource? (a) Plants (b) Animals (c) Wind (d) Coal (10) Population could be converted into which by proper training in science and technology? (a) In resources (b) careless (c) Jobless (d) Natural resources (11) Arsenicosis is a_ (a) Infectious disease (b) Water borne disease (c) Air borne disease (d) Viral disease (12) How is the bonding of atoms in solid matter? (a) Loose (b) Soft (c) Strong (d) Fixed
(13) How carbon dioxide is mixed with soft drinks? (a) Under high pressure (b) Under low temperature (c) Under low pressure (d) Under high temperature (14) Which water source is safe? (a) Pond (b) Buriganga river (c) Chalan bill (d) Arsenic free tube well (15) What would happen to the heart disease patient for air pollution? (a) Feeling better (b) Increase heart beat (c) Coughing (d) Decreasing heart beat (16) What does create pollination? (a) Light (b) Water (c) Seed (d) Insect (17) How does the fertility of soil get spoiled? (a) Cow dung (b) Compost fertilizer (c) Chemical fertilizer and insecticide (d) Above all (18) What should we do for resource protection and reduction of polluted environment? (a) To stop production (b) To destroy harmful insects (c) Avoiding excess use of resources (d) To built factory (19) The ancient people thought(a) The earth is motionless (b) The earth moves round the stars (c) The earth is not motionless (d) The stars are motionless (20) Which type of food is very much important for a healthy life? (a) Easy cost food (b) Balanced diet (c) Heavy food (d) Expensive food (21) For which one of the following the animals depends upon the plants? (a) Light (b) Water (c) Seed (d) Food (22) Which is the main reason of air, water and soil pollution? (a) Open latrine upon a water body (b) Wastes from industry (c) Use of vehicle (d) Meet the demand of population increase (23) Which of the following provides nutrition to plants? (a) Soil (B) Water (c) Air (d) light (24) Which is a poisonous gas? (a) Oxygen (b) Carbon dioxide (c) Nitrogen (d) Carbon monoxide (25) The use of artificial colour and chemical in food can cause (a) Dental problem (b) Kids getting fat (c) Liver and kidney became dysfunctional (d) Kids lose weight (26) Which one of the following happens during the adolescence changes? (a) Getting friendly with all (b) More keen to studies (c) Likes to go school every day (d) Physical, mental and behavioral change (27) The reason for day and night is —
(a) The earth moves round the sun (b) The sun rises and sets (c) The earth moves round on its axis (d) The moon moves round the earth (28) Which one is necessary for the invention of a technology? (a) Financial ability (b) Physical ability (c) Knowledge of science (d) Family background (29) Information technology has reduced our—. (a) Intellectual activity (b) Physical labour (c) Communication (d) Agricultural labour (30) Which of the following chemical is used as to adulterant food? (a) Iodin (b) Formalin (c) Calcium (d) Carbohydrate (31) Which one is renewable natural resources? (a) Petroleum (b) Water (c) Natural gas (d) Fossil fuel. (32) Which one of the following is green energy? (a) Natural gas (b) Wind (c) Petroleum (d) Coal (33) The basic need of an infant is — (a) Mother's milk b) Dress (c) Medical care (d) Housing (34) What is self-employment? (a) Government job (b) Generating income by own self (c) Working in the industries (d) Private job (35) The prevention of water pollution is to — (a) Control of waste (b) Not to throw waste to water (c) Implementation of waste control law (d) Not to create waste (36) To convert the population into resources we need — (a) Quality science teacher (b) Quality books (c) Basic knowledge and skill (d) Realistic science education (37) According to the scientist which one of the following will be exhausted in next 100 years? (a) Natural resources (b) Animals Resources (c) Fossil resources (d) Air resources (38) The most modern technology is —. (a) Agricultural technology (b) Communication technology (c) Information technology (d) Construction technology (39) Which one is not influenced by technology? (a)Education (b) Communication (c)Agriculture (d) Lengths of day and night (40) Which one of the following is junk food? (a)Potato mesh (b) Bread (c) Potato chips (d) Parata
2. Fill in the gaps with appropriate word or words and write down it in your answer -sheet: 110=10 (a) ___is needed for the survival of all plants and animals. (b) Water is ___ for life. (c) We are surrounded by___. (d) The energy that works behind lightning is ____ energy. (e) ___of food provided energy for body. (f) All sources of water is not ___. (g) There are countless ___ in the milkyway (h) Man is different from other animals, because man uses ___. (i) ___reduces man’s physical labour. (j) The increase of earth’s ___ is known as global warming.
Primary Education completion Examination-2013 Model Test Subject: Elementary Science Time: 2 hours 30 minutes Full marks: 100 [N.B. - The figures in the right margin indicate full marks.]
3. Write down the short answer of the following questions in your answer sheet: 110=10 (a) Write two ways by which the awareness for stopping environmental pollution in your locality can be raised within your friends. (b) Why does water wet the outside of a glass when ice is kept in it? (c) How can air pollution in the kitchen be decreased? (d) Why does matter change states? (e) What is the function of major food items? (f) What is a star? (g) Give examples of three old technology. (h) What is the most modern technology? (i) Write the names of three natural calamities of Bangladesh. (j) What is natural resource? 4. Write answer of any eight questions including a, b and c :
Set-3
58=40
(a) Write down the names of artificial colour and chemicals which use in food and explain the danger of these colour and chemicals. (b) Explain the uses of carbon dioxide. (c) How is water pollution prevented? (d) What are the differences between food chain and food web? (e) Write in brief the measures you can take to prevent noise pollution, (f) How will you prove that there are always some water vapours in air? (g) Discuss how air is polluted. (h) What are the process of transmission of heat? (i) Discuss the scientific method of food preservation. (j) What is infectious disease? Discuss how infectious diseases can be prevented?
1. Write the correct answer in your answer sheet: 140=40 (1) How many elements make a balanced diet? (a) Three (b) Four (c) Five (d) Six (2) What is information collected relating to a situation called? (a) Data (b) Report (c) Speech (d) Information (3) Which one is the main cause of increasing carbon-dioxide? (a) Deforestation (b) Use of air energy (c) Use of compost fertilizer (d) Control of flood (4) Which one is responsible for water pollution? (a) Excess population (b) Cutting trees (c) Build unplanned houses (d) Burn bricks in brick fields (5) What should we do to protect the people of the coast from the global warming? (a) To burn gas in the mills and factories (b) To stop the production of electricity from the air (c) To plant more trees (d) To the use of solar energy. (6) During the process of photosynthesis the green plants(a) Intake carbon dioxide (b) Intake oxygen (c) Produce nitrogen (d) Release carbon monoxide (7) The fertility of soil is decreased(a) Due to the smoke of mills and factories (b) Use of excess chemical fertilizer (c) Burns bricks in brick fields (d) Through wastes here and there (8) We use the flow of air in(a) The production of food (b) The production of electricity (c) To make engine (d) The production of water vapour (9) Which one is the internet browsing software? (a) Firefox (b) Image (c) Google (d) Yahoo (10) The ancient people thought(a) The earth is motionless (b) The earth moves round the stars (c) The earth is not motionless d) The stars are motionless
(11) What is the daily temperature of air, pressure, humidity and flow of air of a place called? (a) Climate (b) Weather (c) Omabossa (d) Solar-ecli (12) Why air and solar energy are called green energy? (a) Low cost (b) Pollute environment (c) Do not pollute environment (d) Available (13) How much the population of Bangladesh increased from the 1974 census to 2011 census? (a) Double (b) Triple (c) Fourth times (d) Fifth times (14) Which mosquito carries the germ of dengue fever? (a) Filaria (b) Malaria (c) Aedes (d) Anopheles (15) Which one of the following is an element of floating gardens? (a) Husks, aquatic weeds (b) Wastes of houses, grasses (c) Fibers of jute (d) Cow-dung, branches of trees (16) Which ages of the children are called childhood? (a) From six to ten years (b) From six to eight years (c) From ten to twelve years (d) From nine to twelve years (17) How many population was in Bangladesh in 2001? (a) 12 crore 14 lac (b) 12 crore 93 lac (c) 13 crore 14 lac (d) 13 crore 93 lac (18) When does the sunlight come vertically on Bangladesh? (a) In summer and autumn (b) In rainy season and late autumn (c) In winter and spring (d) In summer and rainy seaso (19) Which wave can be used to know the in formation of mineral under the soil? (a) Magnetic waves (b) Light waves (c) Sound waves (d)Airwaves (20) Drinking of which water causes scar in the hands and legs? (a) Dirty water (b) Arsenic contaminated water (c) Polluted water (d) Pond water (21) Which is used in the packet of chips? (a) Oxygen (b) Carbon dioxide (c) Nitrogen (d) Water vapour (22) Besides age, height and weight what else we need to get energy by food? (a) Studying b) Sleeping (c) Physical labour (d) Work at office (23) In which state does water remain on high mountain peaks? (a) Water (b) Water vapour (c)Dew (d)Ice (24) Which one of the following is nonrenewable resources? (a) Air (b) Wood (c) Petroleum (d) water (25) Which of the following is correct? (a) Light is transmitted by the process of convection (b) Light is transmitted by the process of conduction (c) Light is transmitted by the process of radiation (d) We get heat from the sun by the process of conduction
(26) For which one of the following do animals depend upon .the plants? (a) Light (b) Water (c) Seed (d) Food (27) Which one of the following causes air pollution? (a) Use of pesticide (b) Burning bricks in the brick fields (c) Obstacle of rain water (d) Use of chemical fertilizer (28)Which one of the following happens during the adolescence changes? (a) Getting friendly with all (b) More keen to studies (c) Likes to go school everyday (d) Physical, mental and behavioral change (29) Which one of the following is correct? (a) Moon is a star (b) Moon is a satellite (c) Moon is a planet (b) Moon is a meteor (30)Which one of the following is correct? (a) There is no relation between science and technology (b) Science and technology are the same (c) Science and technology are related (d) Science is not needed for technology (31)Which portable instrument should be used to store information in a small space? (a) DVD (b) Pen drive (c) CD (d) Laptop (32) What does air temperature mean? (a) How much hot or cold (b)More vapours or less vapours (c) Whether air is dense or light (d) More sunlight or less sunlight (33) The basic need of an infant is — (a) Mother's milk b) Dress (c) Medical care (d) Housing (34) Which one of the following the chlorophylls of green leaves help? (a) Food production (b) Reproduction (c) Respiration (d) Pollination (35) Which is the main reason of air, water and soil pollution? (a) Open latrine upon a water body (b) Wastes from industry (c) Use of vehicle (d) Meet the demand of population increase (36) Which one is the natural cause of water pollution? (a) Pollution by Arsenic (b) Pollution by insecticide (c) Pollution by industrial wastes (d) Pollution by germs (37) Which gas is taken in the cylinder to climb a high mountain? (a) Oxygen (b) Carbon dioxide (c) Nitrogen (d) Carbon monoxide (38) Which one of the following is junk food? (a) Potato mesh (b) Bread (c) Potato chips (d) Parata (39) Which one is renewable natural resource? (a) Petroleum (b) Water (c) Natural gas (d) Fossil fuel (40) Which does not belong to the solar system? (a) Earth (b) Comet (c) galaxy (d) Moon
2. Fill in the gaps with appropriate word or words and write down it in your answer -sheet: 110=10 a) Several _______ are connected to create food web. b) Small particles of water ____ at a place to form clouds c) Oxygen creates ____ breaking down the foods we eat. d) Energy cannot be ____or cannot be ____. e) The use of ____ in food is not good for health. f) We need to have safe water to keep ourselves ____. g) A large number of galaxies and the spaces among them make ___. h) The aim of technology is to control _____. i) We have got ____ in the mid twentieth century. j) The cause of carbon dioxide increase is ___. 3. Write down the short answer of the following questions in your answer sheet: 110=10 (a) What is acid rain? (b) Which scientist said matter was made of atoms? (c) How many essential elements are present in ideal food? (d)What is the difference between planet and a star? (e) Give examples of three modern technology. (f) What are the names of the input devices of a computer? (g) What is the reasons of building greenhouses in the colder countries? (h) What is solar panel? (i) What do you understand by population? (j) What is called photosynthesis? 4. Write answer of any eight questions including a, b and c : 58=40 (a) Observe the diagram and describe the food web.
(b) How does technology help in the field of agriculture? (c) What is the importance of information technology in medical science? (d) What are the impacts of water pollution on environment? (e) What are the main cause of water pollution? (f) Explain how the elements of air help us to live. (g) Give some examples to show that energy can be measured. (h) What is optimal food? Discuss the importance of taking optimal food. (i) Write about the nature of the sun. (j) Describe the technologies through which the food you have eaten has come
Set-4 Primary Education completion Examination-2013 Model Test Subject: Elementary Science Time: 2 hours 30 minutes Full marks: 100 1. Write the correct answer in your answer sheet: 140=40 (1) Which one is the main source of the energy? (a) Water b) Air c) Soil d) Sun (2) Which one is polluted by high volume? (a) Air b) Soil c) Sound d) Water (3) Which one is essential to maintain the proper temperature of our body? (a) Water b) Heat c) Light d) Air (4) Which type of food is very much important for a healthy life? (a) Easy cost food b) Balanced diet (c) Heavy food d) Expensive food (5) The bone joint pain is the symptom of which disease? (a) Pox b) Dysentery c) Aids d) Rheumatic fever (6) What is the reason behind the invention of all new technologies of the scientist? (a) Encouragement b) Feeling of necessity (c) Competition d) Earning money (7) Which one is caused by the pollution of air of the children? (a) Heart disease b) Asthma c) Diarrhoea d) Dysentery (8) Why the sea water creates clouds in the sky by evaporation? (a) For light energy b) For heat energy (c) For sound energy d) For mechanical energy (9) Usually brick powder mixed with which food? (a) Coriander b) Chili c) Turmeric d) Cumin (10) Which situation will be created if the moon rotates and comes between the earth and the sun? (a) Lunar month b) High tide-low tide c) Night d) Omabossa (11) Which of the following provides nutrition to plants? (a) Soil b) Water c) Air d) Light (12) Which disease caused by Culex mosquito bite? (a) Elephantiasis ( b) Tuberculosis (c) Pox (d) Measles (13) What type of substance is diamond? (a) Hard b) Soft c) Heavy d) Light (14) What is the storm created in the regions of the Indian Ocean called? (a) Typhoon b) Cyclone c) Tornedo d) Tidal waves
(15) What is the model of Copernicus? (a) Day and night occurs because the earth rotates on its axis (b) Day and night occurs because the earth moves round the sun (c) The earth is stable (d) Day and night occurs because the sun moves round the earth (16) Which elements are mostly used in junk food? (a) Sour, hot and sweet are in high quantity (b) Saccharine, hot and sour are in high quantity (c) Fat, salt and sugar are in high quantity (d) Powder, fat and water are in high quantity (17) Which microbe is the causal agent of Rheumatic fever? (a) Streptococcus (b) Pneumococcus (c) Flu (d) BCG (18) Which condition does water remain in the atmosphere? (a) Water vapour (b) Liquid condition (c) Solid condition (d) Gaseous condition (19) Which one is artificial resource? (a) Glass (b) Water (c) Soil (d) Natural gas (20) Which one is preserved by scientific method? (a) Dry fish b) Powder milk c) Wheat d) Morobba (21) Which one of the following is a correct food chain? (a) Grasshopper grasses snakesfrog (b) Froggrasshoppergrassessnakes (c) Snakes grasshoppergrassesfrog (d) Grassesgrasshopperfrogsnakes (22) Which is the main reason of air, water and soil pollution? (a) Open latrine upon a water-body (b) Wastes from industry (c) Use of vehicle (d) Meeting the demand of population increase (23)Which one is the natural cause of water pollution? (a) Pollution by Arsenic (b) Pollution by insecticide (c) Pollution by industrial wastes (d) Pollution by germs (24) Which one does increase if fuel is burnt? (a) Oxygen (b) Carbon dioxide (c) Nitrogen (d) Neon (25) Which one of the following is junk food? (a) Potato mesh (b) Bread (c) Potato chips (d) Parata (26)Which one of the following is the symptom for swine flu? (a) Running nose (b) Increase of appetite (c) Sweating (d) Body itching (27) The reason for day and night is — (a) The earth moves round the sun (b) The sun rises and sets (c) The earth moves round on its axis (d) The moon moves round the earth
(28) Which one is necessary for the invention of a technology? (a) Financial ability (b) Physical ability (c) Knowledge of science (d) Family background (29) Information technology has reduced our—. (a) Intellectual activity (b) Physical labour (c) Communication (d) Agricultural labour (30) Why does it rain more in the rainy season? (a) Because air temperature is high (b) Because air pressure is high (c) Because air has more vapours (d) Because air is dry (31) Which one is renewable natural resources? (a) Petroleum (b) Water (c) Natural gas (d)Fossil fuel (32) The prevention of water pollution is to — (a) Control of waste (b) Not to throw waste to water (c) Implementation of waste control law (d) Not to create waste (33) For which one of the following do animals depend upon the plants? (a) Light (b) Water (c) Seed (d) Food (34) Which one of the following causes air pollution? (a) Use of pesticide (b) Burning bricks in the brick fields (c) Obstacle of rain water (d) Use of chemical fertilizer (35) Which of the following provides nutrition to plants? (a) Soil (b) Water (c) Air (d) Light (36) Which gas is taken in the cylinder to climb a high mountain? (a) Oxygen (b) Carbon dioxide (c) Nitrogen (d) Carbon monoxide (37) Which of the following is correct? (a) Light is transmitted by the process of convection (b) Light is transmitted by the process of conduction (c) Light is transmitted by the process of radiation (d) We get heat from the sun by the process of conduction (38) The use of artificial colour and chemical in food can cause (a) Dental problem (b) Kids getting fat (c) Liver and kidney became dysfunctional (d) Kids lose weight (39) Why does season change? (a) Due to diurnal motion of earth (b)Due to annual motion of earth (c) Due to elliptical orbit of earth (d)Due to temperature change of earth (40) Technology is always— (a) Beneficial (b) Harmful (c) Depending on the application whether beneficial or harmful (d) Neither beneficial nor harmful
2. Fill in the gaps with appropriate word or words and write down it in your answer sheet: 110=10 (a) Patient with problems of respiration are given___ from a cylinder. (b) Electric light turns ___ energy into ___ energy. (c) ___ food do not have dietary fibre. (d) There are various ___ changes during adolescence stages. (e) The objectives of studying science is to find out ___ among different events. (f) The technology of ___ contributed to be punctual. (g) ___has brought revolution in information technology. (h) The conditions of sunlight, rain, temperature, cloud, mist, wind Etc. during a short time is the ___ of a place. (i) Vegetables grown in the cold countries in a glass house is known as ___. (j) There are three ways of resources utilization less use, ___ and re-production. 3. Write down the short answer of the following questions in your answer sheet: 110=10 (a) How can air pollution in the kitchen be decreased? (b) What does matter mean? (c) What is required to meet the demand of our body? (d) What is the reason for day and night? (e) What is the latest and modern technology you use? (f) What are the names of output devices of a computer? (g) What is artificial resource? (h) What is census? (i) What is the name of the green pigments of leaves? 4. Write answer of any eight questions including a, b and c:
58=40
(a) What is food chain? How does stored food of plants transfer into animals body through food chain, describe this in four sentences. (b) “At present the world is going to be destroyed for misuse of technology”. Explain it according to your opinion. (c) What do you think about the steps should be taken to prevent air pollution? (d) How is water pollution prevented? (e) Write about the ways to save or store information. (f) Give some examples in which energy is wasted. (g) What is junk food? Explain. (h) Why do seasons change? (i) We cannot live without technology-explain. (j) What do you mean by information technology?
Set-5 Primary Education Completion Examination – 2014 Model Test Subject: Elementary Science Time: 2 hours 30 minutes Full marks: 100 [N.B. - The figures in the right margin indicate full marks.] 1.
Write the correct answer in your answer sheet:
140=40
(1) In photosynthesis process which one is not needed? (a) Chlorophyll, water (b) Sunlight, water (c) Water, carbon dioxide (d) Soil, humidity (2) Which one plants use to make food and store? (a) Humidity (b) Oxygen (c) Sunlight (d) Above all (3) Chlorophyll remains in which part of plants? (a) Root (b) Leaf (c) Stem (d) Flower (4) Which is not happen by peak in sound, crowd and different noise? (a) Mental problem (b) Water borne problem (c) Physical problem (d) Ear damage (5) What is the main cause of environmental pollution? (a) Building houses (b) Use chemical fertilizer in field (c) Use polythene (d) Over population (6) What is the main cause of imbalanced environment? (a) Cutting trees (b) Excess vehicles(c) Increase population (d) Factories (7) What is happened by increasing poisonous lead in air of Dhaka? (a) Noise pollution (b) Soil pollution (c) Air pollution (d) Water pollution (8) Absence of electricity we use generator. What type of pollution is create? (a) Noise pollution (b) Air pollution (c) Water pollution (d) Soil pollution (9) What is essential to maintain the proper temperature of our body? (a) Vitamin (b) Mineral salt (c) Water (d) fat (10) In which season does the ice of the mountains melt into water and flow down the slope of the hills? (a) In rainy season (b) in winter (c) In late autumn (d) In Summer (11) Which one is mixed with water to be fast the sedimentation process? (a) Bleaching powder (b) Alum (c) Halogen powder (d) Soda powder (12) How water is purified by filter machine? (a) Sedimentation (b) Filtration (c) boiling (d) Above all (13) What does it mean by web?
(a) Picture (b) Net (c) Dress (d) Human (14) People of a country cut down trees indiscriminately. Which one is correct for climate of that country? (a) Will be changed (b) Will not be changed (c) For kingdom (d) Will be rain full (15) Raima is sick. There is no easy cure of this disease. She is suffering From which disease? (a) Diarrhoea (b) Pox (c) Arsenocosis (d) Jaundice (16) What type of problem will be arise in our body because of continuous working on computer? (a) Breathing problem (b) Pain in leg (c) Pain in neck and shoulder (d) Vomiting (17) What do plants intake during the process of photosynthesis? (a) Carbon dioxide (b) Oxygen (c) Nitrogen (d) Carbon monoxide (18) Which of the following chemical is used as to adulterant food?? (a) Iodine (b) Formalin (c) calcium (d) Carbohydrate (19) The ancient people thought(a) The earth is motionless (b) The earth moves round the stars (c) The earth is not motionless (d) The stars are motionless (20) Which one of the following is highly populated country of the country? (a) England (b) Portugal (c) Bangladesh (d) Canada (21) Which one of the following the Chlorophylls of green leaves help? (a) Food production (b) Reproduction (c) Respiration (d) Pollination (22) Which of the following provides nutrition to plants? (a) Soil (b) Water (c) Air (d) Light (23) Which gas is taken in the cylinder to climb a high mountain? (a) Oxygen (b) Carbon dioxide (c) Nitrogen (d) Carbon monoxide (24) The use of artificial colour and chemical in food can cause (a) Dental problem (b) Kids getting fat (c) Liver and kidney became dysfunctional (d) Kids lose weight (25) Which one of the following happens during the adolescence changes? (a) Getting friendly with all (b) More keen to studies (c) Likes to go school every day (d) Physical, mental and behavioral change (26) Why does season change? (a) Due to diurnal motion of earth (b) Due to annual motion of earth (c) Due to elliptical orbit of earth (d) Due to temperature change of earth (27) Which one is not influenced by technology?
(a) Education (b) Communication (c) Agriculture (d) Lengths of day and night (28) The most modern technology is —. (a) Agricultural technology (b) Communication technology (c) Information technology (d) Construction technology (29)What does happen when air pressure falls down excessively? (a) Storm (b) Rain c) Heat wave (d) Cold wave (30) According to the scientist which one of the following will be exhausted in next 100 years? (a) Natural resources (b) Animals Resources (c) Fossil resources (d) Air resources (31) To convert the population into resources we need — (a) Quality science teacher (b) Quality books (c) Basic knowledge and skill (d) Realistic science education (32) For which one of the following do animals depend upon the plants? (a) Light (b) Water (c) Seed (d) Food (33) Which one does increase if fuel is burnt? (a) Oxygen (b) Carbon dioxide (c) Nitrogen (d) Neon (34) Which is the main reason of air, water and soil pollution? (a) Open latrine upon a water-body (b) Wastes from industry (c) Use of vehicle (d) Meeting the demand of population increase (35) Which of the following is correct? (a) Light is transmitted by the process of convection (b) Light is transmitted by the process of conduction (c) Light is transmitted by the process of radiation (d) We get heat from the sun by the process of conduction (36) Which one of the following is junk food? (a) Potato mesh (b) Bread (c) Potato chips (d) Parata (37) Measles, pox etc. can spread through (a) Water (b) Air (c) Mosquito (d) Food (38) The reason for day and night is — (a) The earth moves round the sun (b) The sun rises and sets (c) The earth moves round on its axis (d) The moon moves round the earth (39) Which one of the following is correct? (a) There is no relation between science and technology (b) Science and technology are the same (c) Science and technology are related (d) Science is not needed for technology (40) Which portable instrument should be used to store information in a small space? (a) DVD (b) Pen drive (c) CD (d) Laptop
2. Fill in the gaps with appropriate word or words and write down it in your answer sheet: 110=10 (a) The technology of _____contributed to be punctual. (b) If temperature of a place is low, the air is ___there. (c) Developing skill through fundamental and applied science a population cab be changed into ____ resources. (d) The total area of Bangladesh is ___square kilometer. (e) Air pollution has impacts on human __. (f) We are surrounded by ___. (g) In chill condition ___ cannot grow in food. (h) There are countless ___ in the milky way. (i) ___ has brought revolution in information technology. (j) Water turns into ___ by the heat of the sun. 3. Answer of the following questions in short in your answer sheet: (a) What is called photosynthesis/ (b) What are the diseases caused by drinking polluted water? (c) Why does matter change states? (d) Give examples of three old technology. (e) What is weather? (f) Why air and solar energy are called green energy/ (g) What are the basic needs of a people? (h) Why do the sun and moon look equal? (i) Why does technology develop? (j) What cause Rheumatic fever?
110=10
4. Write answer of any eight questions including a, b and c: 58=40 (a) What are the ways to preserve excess amount of rice and fish for future? (b) Discuss about the symptoms an curative measures of Rheumatic fever. (c) Discuss about the natural resources of Bangladesh. (d) Explain the importance of food preservation. (e) Give a short description of the members of the solar system. (f) Technology influence our life-explain. (g) What are the uses of information technology in education? (h) Why does it rain on a hot, humid and very sweaty day? Explain. (i) Give the reasons for the increase of atmospheric carbon dioxide of earth. (j) Discuss what is fossil fuel?
Set-6 Primary Education Completion Examination-2014 Model Test Subject: Elementary Science Time: 2 Hours 30 Minutes Full Marks: 100 [N.B. - The figures in the right margin indicate full marks.] 1. Write down the correct answer in your answer sheet:
140 = 40
(1) What can we do to avoid infectious disease? (a) Wear new cloths (b) Sleep on high bed (c) Stay in touch of infected person (d) To be clean (2) Who is affected by rheumatic fever in great number? (a) Children (b)Aged people (c) Young man (d) Woman (3) Which of the following is used to get new information about moon, sun and planets? (a) Camera (b) Computer (c) Telescope (d) Radio (4) At what time of the day the heat of the sun is high?? (a) At noon (b) At night (c) In morning (d) In evening (5) Carbon dioxide can be less emitted by using which one of the below? (a) Oil (b) Gas (c) Coal (d) Bio fuel (6) What should we do if the salinity of soil is increased in the coastal area? (a) To grow salt tolerant crop (b) Cultivate normal crops (c) Use rain water in the land (d) Use river water (7) How can we convert solar energy to electrical energy? (a) In solar cell (b) In wind mill (c) In solar panel (d) In turbine (8) How can we get the source of new resources? (a) By the help of science and technology (b) By digging soil (c) By foreign help (d) By science and technology education (9) Which one is the impact of population growth on medical service? (a) Developed hospital (b) Modern treatment (c) Increase of demand of medical service (d) Sufficient doctors and nurse (10) In food chain different animals are related. So they are dependent for (a) Food (b) Living place (c) Environment (d) Reproduction (11) On which frogs depend in food chain?
(a) Grassy plant (b) Grasshopper (c) Snakes (d) Hawks (12) Sound pollution causes(a) Making noise loudly (b) Listening songs (c) Increase of population (d) Use of solar panel (13) If you use polluted water regularly, you may get infected by – (a) Air borne disease (b) Water borne disease (c) Scabies (d) None of these (14) What is the process of pouring clean water from the upper part of the pitcher in to another container called? (a) Filtration (b) Condensation (c) Sedimentation (d) Distillation (15) Where do we find Arsenic? (a) In the fruits (b) In the root (c) In stone (d) Underground (16) From what do we get energy in our body? (a) From exercise (b) From sleep (c) From medicine (d) From food (17) What can be created by using steam? (a) Electricity (b) Food (c) Water canon (d) Sea (18) Which is the month of rainfall? (a) Poush (b) Ashar (c) Srabon (d) Vadra (19) Which one is renewable natural resource/ (a) Coal (b) Air (c) Oil (d) Natural gas (20) It takes how many days to complete a lunar month/ (a) 27½ days (b) 28½ days (c) 29½ days (d) 30½ days (21) Which one is not influenced by technology? (a) Education (b) Communication (c) Agriculture (d) Lengths of day and night (22) Which portable instrument should be used to store information in a small space? (a) DVD (b) Pen drive (c) CD (d) Laptop (23) Which one of the following causes air pollution? (a) Use of pesticide (b) Burning bricks in the brick fields (c) Obstacle of rain water (d) Use of chemical fertilizer (24) Which is the main reason of air, water and soil pollution? (a) Open latrine upon a water-body (b) Wastes from industry (c) Use of vehicle (d) Meeting the demand of population increase (25) Which is a poisonous gas? (a) Oxygen (b) Carbon dioxide (c) Nitrogen (d) Carbon monoxide (26) Which one of the following happens during the adolescence changes? (a) Getting friendly with all (b) More keen to studies (c) Likes to go school everyday (d) Physical, mental and behavioral change (27) The reason for day and night is — (a) The earth moves round the sun
(b) The sun rises and sets (c) The earth moves round on its axis (d) The moon moves round the earth (28) Which one is seen every year in Bangladesh? (a) Flood (b) Earth quake (c) Kalboishakhi (d) Hurricane (29) Where is the difference between weather and climate? (a) In time (b) In place (c) By name (d) By result. (30) Which one is renewable natural resource? (a) Petroleum (b) Water (c) Natural gas (d) Fossil fuel. (31) Which one of the following is green energy? (a) Natural gas (b) Wind (c) Petroleum (d) Coal (32) The basic need of an infant is — (a) Mother's milk (b) Dress (c) Medical care (d) Housing (33) To convert the population into resources we need — (a) Quality science teacher (b) Quality books (c) Basic knowledge and skill (d) Realistic science education (34) For which one of the following do animals depend upon the plants? (a) Light (b) Water (c) Seed (d) Food (35) Which one of the following is a correct food chain? (a) Grasshopper grasses snakesfrog (b) Froggrasshoppergrassessnakes (c) Snakes grasshoppergrassesfrog (d) Grassesgrasshopperfrogsnakes (36) Besides age, height and weight what else we need to get energy by food? (a) Studying (b) Sleeping (c) Physical labour (d Work at office (37) Which of the following provides nutrition to plants? (a) Soil (b) Water (c) Air (d) Light (38) Which of the following is correct? (a) Light is transmitted by the process of convection (b) Light is transmitted by the process of conduction (c) Light is transmitted by the process of radiation (d) We get heat from the sun by the process of conduction (39) Measles, pox etc. can spread through (a) Water (b)Air (c) Mosquito (d) Food (40) Which does not belong to the solar system? (a) Earth (b) Comet (c) Galaxy (d) Moon
2. Fill in the gaps with appropriate word or words and write down it in your answer sheet: 110=10 (a) The technology of ___ contributed to be punctual. (b) If the temperature of a place is low, the air is ___ there. (c) Developing skill through fundamental and applied science a population can be changed into ___ resources. (d) The total area of Bangladesh is ___ square kilometer. (e) Pox virus can be spread through ____. (f) Several ___ are connected to create food web. (g) Matter is made of ___. (h) The aim of technology is to control___. (i) ___food do not have dietary fibre. (j) Oxygen creates ___ breaking down the foods we eat. 3. Write down the answer of the following questions in short in your answer sheet: 110=10 (a) What is natural resource? (b) What is population census? (c) How can be the human infected by swine flu? (d) What is a star? (e) Write the name of three natural calamities of Bangladesh. (f) How do plants get pollinated? (g) Where are the places where air does exist? (h) What is balanced diet? (i) What are the names of the input devices of a computer? (j) What is water cycle? 4. Write answer of any eight questions including a, b and c:
58=40
(a) What measures you will take to purify pond water to make it free from germs? (b) Describe the proper use of energy. (c) What problem Bangladesh may face due to climate change? (d) Make a model of the solar system. (e) Prove the relationship of science and technology with example. (f) Write the steps to be taken to prevent air pollution. (g) Why is there less rainfall in winter in Bangladesh? (h) What is infectious disease? Discuss how infectious diseases can be prevented. (i) Write down the impacts of excess population on natural environment. (j) How does heat of the sun play a role in changing the weather?
Set-7 Primary Education Completion Examination-2014 Model Test Subject: Elementary Science Time: 2 Hours 30 Minutes Full Marks: 100 [N.B. - The figures in the right margin indicate full marks.] 1. Write down the correct answer in your answer sheet: 140 = 40 (1) Which one we get from plants and animals? (a) Medicine (b) Water (c) Light (d) Salt (2) Which of the following helps to increase fertility of soil? (a) Insects (b) Dead body of plants and animals (c) Fruits (d) Chlorophyll (3) Grasshopper belongs to which consumer state? (a) 1st (b) 2nd (c) 3rd (d) 4th (4) Which one remains acidic rain? (a) The oxide of nitrogen (b) The oxide of sulpher (c) Carbon monoxide (d) Carbon dioxide (5) When water starts boiling how much time more is needed to kill all the germs in it? (a) 10 minutes (b) 20 minutes (c) 30 minutes (d) 40 minutes (6) Which one of the following is the agent of change? (a) Work (b) Capacity (c) Energy (d) Matter (7) What is used to keep a substance cold or hot? (a) Thermo flask (b) Refrigerator (c) Lid (d) Heater (8) What are the two common properties of matter? (a) Occupy space and weight (b) Have space and weight (c) Have shape and volume (d) Occupy containers and have shape (9) When does Aedes mosquito usually bite? (a) Before noon (b) After evening (c) Before morning (d) At night (10) Which disease can be prevented by giving BCG vaccine? (a) Pox (b) jaundice (c) Dengue (d) Tuberculosis (11) What can be happened because of Rheumatic fever? (a) Lung damage (b) Heart damage (c) Headache (d) Body swelling (12) Who set the satellite on space? (a) Scientist (b) Genetic engineers (c) Technologist (d) Astronauts
(13) When did population census done after first Liberation War? (a) In 1972 (b) In 1973 (c) In 1974 (d) In 1975 (14) Where is cyclone created? (a) In river (b) In pond (c) In sea (d) In ocean (15) Which one is artificial resource? (a) Glass (b) Water (c) Sand (d) Plant (16) In solar panel solar energy is converted in to which kind of energy? (a) Solar energy (b) Electrical energy (c) Sound energy (d) Air energy (17) After how many years population census is done? (a) 5 years (b) 10 years (c) 15 years (d) 20 years (18) Which one of the following is the reason for soil pollution? (a) Wastes of hospital (b) Generators (c) Open latrines (d) Building of houses (19) Which one helps to established unhealthy slums/ (a) Soil pollution (b) Sound pollution (c) Increasing population (d) Excess mills and factories (20) Burning brick in the brickfield is responsible for which pollution? (a) Water (b) Soil (c) Air (d) Sound (21) What colour is used to mark a tube well without Arsenic? (a) Blue (b) Red (c) Green (d) Yellow (22) Which one is necessary for the invention of technology? (a) Financial ability (b) Physical ability (c) Knowledge of science (d) Family background (23) Where is the difference between weather and climate? (a) in time (b) In place (c) By name (d) By result (24) According to the scientist which one of the following will be exhausted in next 100 years? (a) Natural resource (b) Animals Resources (c) Fossil resources (d) Air resources (25) What is self-employment? (a) Government job (b) Generating income by own self (c) Working in the industries (d) Private job (26) The basic need of an infant is — (a) Mother's milk (b) Dress (c) Medical care (d) Housing (27) Which gas is used in the packet of chips? (a) Oxygen (b) carbon dioxide (c) Nitrogen (d) Water vapour (28) The most modern technology is — (a) Agricultural technology (b) Communication technology (c) Information technology (d) Construction technology (29) Information technology has reduced our—. (a) Intellectual activity (b) Physical labour
(c) Communication (d) Agricultural labour (30) Which one of the following is a correct food chain? (a) Grasshopper grasses snakesfrog (b) Froggrasshoppergrassessnakes (c) Snakes grasshoppergrassesfrog (d) Grassesgrasshopperfrogsnakes (31) Which is the main reason of air, water and soil pollution? (a) Open latrine upon a water-body (b) Wastes from industry (c) Use of vehicle (d) Meeting the demand of population increase (32) Which of the following provides nutrition to plants? (a) Soil (b) Water (c) Air (d) Light (33) Which of the following is correct? (a) Light is transmitted by the process of convection (b) Light is transmitted by the process of conduction (c) Light is transmitted by the process of radiation (d) We get heat from the sun by the process of conduction (34) Which one of the following is junk food? (a) Potato mesh (b) Bread (c) Potato chips (d) Parata (35) Which one of the following is the symptom for swine flu? (a) Running nose (b) Increase of appetite (c) Sweating (d) Body itching (36) Which does not belong to the solar system? (a) Earth (b) Comet (c) Galaxy (d) Moon (37) Which portable instrument should be used to store information in a small space? (a) DVD (b) Pen drive (c) CD (d) Laptop (38) What does happen when air pressure falls down excessively? (a) Storm (b) Rain (c) Heat wave (d) Cold wave (39) The prevention of water pollution is to — (a) Control of waste (b) Not to throw waste to water (c) Implementation of waste control law (d) Not to create waste (40) Which one of the following is green energy? (a) Natural gas (b) Wind (c) Petroleum (d) Coal
2. Fill in the gaps with appropriate word or words and write down it in your answer sheet: 110=10 (a) The southern region of our country can be ___ due to the climate change. (b) ___ is one of the non-renewable natural resources of our country that is exhausting quickly. (c) The impact of our population has effect upon ___. (d) ___ 9is needed for the survival of all plants and animals. (e) Water turns into ___ by the heat of the sun. (f) Patients with problems of respiration are given ___from a cylinder. (g) Heat changes ___ of matter. (h) In chill condition ___ cannot grow in food. (i) All sources of water is not ___. (j) A large number of galaxies and the spaces among them make ___. 3. Write down the answer of the following questions in short in your answer sheet: 110=10 (a) What are the diseases caused by drinking polluted water? (b) Write the names of five kinds of energy. (c) What is junk food? (d) When does the Aedes mosquito bite? (e) What is the reason for change of season? (f) What is called population census? (g) What are the greenhouse gases? (h) When do we see the Kalboishakhi? (i) What are the names of the output devices of a computer? (j) What are the three ages of agricultural technology? 4. Write answer of any eight questions including a, b and c: (a) (b) (c) (d) (e) (f) (g) (h) (i) (j)
58=40
Why is the temperature of the earth increasing day by day? Write down the five causes of environmental pollution. Explain how nitrogen and carbon dioxide of air help us to live. Explain change of moon’s phases using a model of sun, moon and earth. Why should we be humane in the use of technology? What is the cause of the Kalboishakhi? Explain. Discuss the way of prevention of climate change. What is wind mill? Describe in brief. What measures can be taken to convert population to human resources? How is water pollution prevented?
Set-8 Primary Education Completion Examination-2014 Model Test Subject: Elementary Science Time: 2 Hours 30 Minutes Full Marks:100 [N.B. - The figures in the right margin indicate full marks.] 1. Write down the correct answer in your answer sheet: 140 = 40 (1) Which disease is caused by culex mosquito? (a)Elephantiasis (b) Tuberculosis (c) Pox (d) Measles (2) What is the angle that the earth make with its orbit or line of path? (a) 65 Degrees (b) 66 Degrees (c) 67 Degrees (d) 68 Degrees (3) Which one biggest? (a) Earth (b) Sun (c) Solar system (d) Universe (4) Which one play a main role on the development of information technology? (a) Computer (b) Internet (c) Mobile (d) Television (5) Which one is non -renewable natural resource? (a) Plants (b) Birds and animals (c) Air (d) coal (6) Which experiment can be done by using a glass and a candle? (a) Season change (b) Day-night change (c) Tide (d) Timing (7) Which of the following the chlorophyll of green leaves help? (a) Food production (b) Reproduction (c) Respiration (d) Pollination (8) What would happen if greenhouse gas does not exist in the atmosphere? (a) The earth would be in very hot state at night (b) The earth would be in very cold state at day time (c) The earth would be in very cold state in night (d) The earth would be in very hot state in morning (9) When does the possibility of rain increase? (a) If less water vapours are there in the air (b) If much water vapours are there in the air (c) If temperature is more (d) If air pressure is more (10) When does the sunlight come vertically on Bangladesh/ (a) In summer and autumn (b) In rainy season and late autumn (c) In winter and spring (d) In summer and rainy season (11) Which scientist gave a model about day and night with correct explanation? (a) Galileo (b) Newton (c) Arkimides (d) Copernicus (12) Who are mostly infected by Rheumatic fever? (a) Children (b) Old person (c) Young people (d) Woman (13) When did the information technology develop? (a) During the mid eighteenth century
(b) During the mid nineteenth century (c) During the mid twentieth century (d) During the mid twenty first century (14) By which did the greatest6 revolution occur in agriculture? (a) Biotechnology (b) Chemical technology (c) Higher technology (d) Insecticide (15) Drinking of which water causes scars in hands and legs? (a) Dirty water (b) Arsenic contaminated water (c) Polluted water (d) Pond water (16) What do the divers carry to stay under sea water for a long time in search of things? (a) Oxygen (b) Carbon dioxide (c) Nitrogen (d) water vapour (17) How does the earth rotate on its axis? (a) East to west (b) West to east (c) North to south (d) South to north (18) What are the celestial bodies called which have lights of their own? (a) Moon (b) Stars (c) Milky way (d) Nebula (19) When did population census done after first Liberation War? (a) In 1972 (b) In 1974 (c) In 1975 (d) in 1979 (20) Which one is the main elements of the sun? (a) Hydrogen and nitrogen (b) Hydrogen and oxygen (c) Hydrogen and carbon dioxide (d) Hydrogen and helium (21) Which one of the following the Chlorophylls of green leaves help? (a) Food production (b) Reproduction (c) Respiration (d) Pollination (22) Which one of the following causes air pollution? (a) Use of pesticide (b) Burning bricks in the brick fields (c) Obstacle of rain water (d) Use of chemical fertilizer (23) Which of the following provides nutrition to plants? (a) Soil (b) Water (c) Air (d) Light (24) Which gas is used in the packet of chips? (a) Oxygen (b) Carbon dioxide (c) Nitrogen (d) Water vapour (25) The use of artificial colour and chemical in food can cause (a) Dental problem (b) Kids getting fat (c) Liver and kidney became dysfunctional (d) Kids lose weight (26) Measles, pox etc. can spread through (a) Water (b)Air (c) Mosquito (d) Food (27) Which one of the following is correct? (a) Moon is a star (b) Moon is a satellite (c) Moon is a planet (b) Moon is a meteor (28) Which one is necessary for the invention of a technology?
(a) Financial ability (b) Physical ability (c) Knowledge of science (d) Family background (29) Information technology has reduced our—. (a) Intellectual activity (b) Physical labour (c) Communication (d) Agricultural labour (30) Why does it rain more in the rainy season? (a) Because air temperature is high (b) Because air pressure is high (c) Because air has more vapours (d) Because air is dry (31) Which one of the following is non-renewable resources? (a) Air (b) Wood (c) Petroleum (d) water (32) Which does not belong to the solar system? (a) Earth (b) Comet (c) Galaxy (d) Moon (33) Which one is renewable natural resource? (a) Petroleum (b) Water (c) Natural gas (d) Fossil fuel. (34) What does air temperature mean? (a) How much hot or cold (b) More vapours or less vapours (c) Whether air is dense or light (d) More sunlight or less sunlight (35) The most modern technology is —. (a) Agricultural technology (b) Communication technology (c) Information technology (d) Construction technology (36) Which one is not influenced by technology? (a) Education (b) Communication (c) Agriculture (d) Lengths of day and night (37) The reason for day and night is — (a) The earth moves round the sun (b) The sun rises and sets (c) The earth moves round on its axis (d) The moon moves round the earth (38) Which one of the following is the symptom for swine flu? (a) Running nose (b) Increase of appetite (c) Sweating d) Body itching (39) Which one of the following is junk food? (a)Potato mesh (b) Bread (c) Potato chips (d) Parata (40) Which gas is taken in the cylinder to climb a high mountain? (a) Oxygen (b) Carbon dioxide (c) Nitrogen (d) Carbon monoxide
2. Fill in the gaps with appropriate word or words and write down it in your answer sheet: 110=10 (a) Several __ are connected to create food web. (b) Water is ___ for life. (c) We sweat if there is more ___in air. (d) The southern region of our country can be ___ due to climate change. (e) There are countless __ in the Milky way. (f) There is various ___ changes during adolescence stages. (g) Energy cannot be ___ or cannot be __. (h) Information is ___ of information technology. (i) We get ___and ___ from the sun. (j) The main source of energy is __. 3. Write down the answer of the following questions in short in your answer sheet: 110=10 (a) What are the diseases caused by drinking polluted water? (b) How can air pollution in kitchen be decreased? (c) Which scientist said that matter was made of atoms? (d) What is infectious disease? (e) What is a star? (f) What are the three ages of agricultural technology? (g) What are the names of the output devices of a computer? (h) What are the factors of changes in weather? (i) What is the reason of building greenhouses in the colder countries? (j) What is called food web? 4. Write answer of any eight questions including a, b and c: 58=40 (a) Observe the picture given below and describe the food chain.
(b) Explain how oxygen and nitrogen of air help us to live. (c) What should you do to prevent water pollution? (d) Give some examples in which energy is wasted. (e) Discuss the scientific methods of food preservation. (f) What is adolescence? What changes happen during this period? (g) Give a short description of the members of the solar system. (h) Prove the relationship of science and technology with eamples. (i) What is influence of information technology in our life? (j) How the earth is compared to the greenhouses?
Set-9 Primary Education Completion Examination-2014 Model Test Subject: Elementary Science Time: 2 Hours 30 Minutes Full Marks: 100 [N.B. - The figures in the right margin indicate full marks.] 1. Write down the correct answer in your answer sheet:
140 = 40
(1) Which one is the huge disk of gas? (a) Earth (b) Moon (c) Sun (d) Mercury (2) What does the living being inhale during respiration? (a) Nitrogen (b) Oxygen (c) Carbon dioxide (d) Methane (3) Which one helps in plants pollution? (a) Human (b) Beast (c) Animals (d) Insects (4) Which pollution does vehicles create? (a) Air and water (b) Soil and water (c) Sound and air (d) Sound and soil (5) Which one is not an infectious disease? (a) Pox (b) Ring guard (c) Arsenic (d) Scabies (6) Which one of the following exchange information? (a) RAM (b) Pen drive (c) Key board (d) Mouse (7) Which one is created from the low pressure in the Bay of Bengal? (a) Rain (b) Earth quake (c) Flood (d) Cyclone (8) What does help to enrich soil fertility? (a) Insects (b) Animal’s dead-body (c) Animal’s skin (d) Chlorophyll (9) Drinking polluted water may be cause of attack by – (a) Tuberculosis (b) Pox (c) Diabetes (d) Rheumatic fever (10) To increase the speed of car, we need (a) Energy (b) Well engine (c) Petrol (d) Well road (11) Which disease can be spread through the cough and spit? (a) Tuberculosis (b) Cholera (c) Dysentery (d) Diarrhoea (12) What is the angle that the earth make with its orbit or line of path? (a) 65 Degrees (b) 66 Degrees (c) 67 Degrees (d) 68 Degrees (13) What is Arsenic that mixed with tube well water? (a) Mineral salt (b) Poisonous matte (c) Zink (d) Carbide (14) What happen when the salt water of sea enters into the coastal area? (a) Increase the fertility of the soil (b) Increase the salinity of the soil (c) Increase the productivity of the soil (d) All of the above (15) What is the basic of science? (a) Asking (b) Curiosity (c) Research (d) Encourage
(16) Which one is infectious disease? (a) Scabies (b) Dysentery (c) Cholera (d) Diarrhoea (17) Which one of the following can be preserved by the sun? (a) Fruit (b) Ghee (c) Morobba (d) Carrot (18) Which of the following can be preserved in tin or packets by using Nitrogen? (a) Soft drink (b) Sugar (c) Fish (d) Oil (19) In solar panel solar energy is transmitted into which energy? (a) Solar energy (b) Electrical energy (c) Sound energy (d) Wind energy (20) Where cyclone is called Typhoon? (a) China and middle Asia (b) Arab and south Asia (c) Japan and East Asia (d) Russia and west Asia (21) Which one of the following is a correct food chain? (a) Grasshopper grasses snakesfrog (b) Froggrasshoppergrassessnakes (c) Snakes grasshoppergrassesfrog (d) Grassesgrasshopperfrogsnake (22) Which one of the following causes air pollution? (a) Use of pesticide (b) Burning bricks in the brick fields (c) Obstacle of rain water (d) Use of chemical fertilizer (23) Which one is the natural cause of water pollution? (a) Pollution by Arsenic (b) Pollution by insecticide (c) Pollution by industrial wastes (d) Pollution by germs (24) Which of the following chemical is used as to adulterant food? (a) Iodine (b) Formalin (c) Calcium (d) Carbohydrate (25) Measles, pox etc. can spread through (a) Water (b) Air (c) Mosquito (d) Food (26) Why does season change? (a) Due to diurnal motion of earth (b) Due to annual motion of earth (c) Due to elliptical orbit of earth (d) Due to temperature change of earth (27) Which one of the following is correct? (a) There is no relation between science and technology (b) Science and technology are the same (c) Science and technology are related (d) Science is not needed for technology
(28) Which portable instrument should be used to store information in a small space? (a) DVD (b) Pen drive (c) CD (d) Laptop (29) Why does it rain more in the rainy season? (a) Because air temperature is high (b) Because air pressure is high (c) Because air has more vapour (d) Because air is dry (30) According to the scientist which one of the following will be exhausted in next 100 years? (a) Natural resources (b) Animals Resources (c) Fossil resources (d) Air resources (31) To convert the population into resources we need — (a) Quality science teacher (b) Quality books (c) Basic knowledge and skill (d) Realistic science education (32) Which one is renewable natural resources? (a) Petroleum (b) Water (c) Natural gas (d) Fossil fuel. (33) What does air temperature mean? (a) How much hot or cold (b) More vapours or less vapours (c) Whether air is dense or light (d) More sunlight or less sunlight (34) Which one is not influenced by technology? (a) Education (b) Communication (c) Agriculture (d) Lengths of day and night (35) Which one of the following is correct? (a) Moon is a star (b) Moon is a satellite (c) Moon is a planet (b) Moon is a meteor (36) The reason for day and night is(a) The earth moves round the sun (b) The sun rises and sets (c) The earth moves on it’s axis (d) The moon moves round the earth (37) Which gas is taken in the cylinder to climb a high mountain? (a) Oxygen (b) Carbon dioxide (c) Nitrogen (d) Carbon monoxide (38) Which of the following provides nutrition to plants? (a) Soil (b) Water (c) Air (d) Light (39) For which one of the following do animals depend upon the plants? (a) Light (b) Water (c) Seed (d) Foo (40) The prevention of water pollution is to — (a) Control of waste (b) Not to throw waste to water (c) Implementation of waste control law (d) Not to create waste
2. Fill in the gaps with appropriate word or words and write down it in your answer sheet: 110=10 (a) Animals cannot produce it’s own ___. (b) Water turns into ___ by the heat of the sun. (c) Poisonous ___ is produced in the kitchen. (d) Matter is made of ___. (e) The world’s store of knowledge is ___ at a fast speed. (f) The cause of carbon dioxide increase is ____. (g) ___food do not have dietary fibre. (h) The pox virus can be spread through ___. (i) There are countless ___ in the milky way. (j) The aim of technology is to control ___. 3. Write down the answer of the following questions in short in your answer sheet: 110=10 (a) What is chlorophyll? (b) What is the cause of arsenic pollution? (c) Write down the names of five kinds of energy. (d) What is balanced diet? (e) How dengue fever spread? (f) Why the sun and moon look equal? (g) Give examples of three modern technology. (h) What does humidity of air mean? (i) What would happen to the world if no greenhouse gases present in the air? (j) What type of conservation happens through solar panel? 4. Write answer of any eight questions including a, b and c: 58=40 (a) Describe how animals and plants are dependent upon each other? (b) Explain why the temperature of earth is increasing day by day? (c) What should you do to prevent infectious disease? (d) What are the main causes of water pollution? (e) Why do season change? (f) Describe the technologies through which the food you have eaten has come. (g) What is the cause of the Kalboishakhi? Explain. (h) Make a list of natural resources and their uses. (i) Write down five ways of environmental conservation. (j) What is optimum food? Discuss the importance of taking optimum food.
Set-10 Primary Education Completion Examination-2014 Model Test Subject: Elementary Science Time: 2 Hours 30 Minutes Full Marks: 100 [N.B. - The figures in the right margin indicate full marks.] 1. Write down the correct answer in your answer sheet:
140 = 40
(1) Water changes into what due to sunlight? (a) Ice (b) Rains (c) Steam (d) Food (2) What is responsible for water pollution? (a) Building open latrine on water body (b) Wastes from industries (c) Use of vehicle (d) Destroying forest (3) Which on is most essential for the survival of plants and animals? (a) Heat (b) Pressure (c) Water (d) Light (4) By using air we can (a) Drive the car (b) Drive engine (c) Make food (d) Operate computer (5) Why chips is a junk food? (a) There are harmful chemicals (b) There is formalin (c) There is carbide (d) There is saccharine (6) Which one of the following can be preserved in refrigerator or freezer? (a) Vegetables (b) Butter (c) Cheese (d) Ghee (7) Which one is essential energy in this modern age? (a) Computer (b) Heat (c) Electricity (d) Sun (8) Which is the nearest planet to the sun? (a) Earth (b) Venus (c) Mercury (d) Mars (9) What happen when salt water of sea enters into the coastal area? (a) Increase the fertility of soil (b) Increase the salinity of soil (c) Increase the productivity of soil (d) All of the above (10) What will happen if we play the mike in high volume? (a) Soil pollution (b) Air pollution (c) Sound pollution (d) Water pollution (11) Which one of the following is correct food chain? (a) Grass Grasshopper Frog (b) GrassGrasshopperDeer Tiger (c) Snakes MongooseEagle (d) GrasshopperRatGoat (12) What should we do after getting the alarm of cyclone? (a) Should take shelter under the bed (b) Should come out from the house and stand on the yard (c) Lay down on the ground
(d) To take housing in the cyclone centre (13) During the photosynthesis the green plants – (a) Intake carbon dioxide (b) Intake oxygen (c) Produce nitrogen (d) release carbon dioxide (14) Which condition does water remain in the atmosphere? (a) Water vapour (b) liquid (c) Solid (d) Gaseous (15) Why the sea water creates clouds in the sky by evaporation? (a) For light energy (b) For heat energy (c) For sound energy (d) For mechanical energy (16) Which situation will be created if the moon rotates and comes between The earth and the sun? (a) Lunar month (b) High tide – low tide (c) Night (d) Omabashya (17) What can increase the fertility of the soil? (a) Plastic (b) Cow dung (c) Excess fertilizer (d) Insecticide (18) From soil plants absorb water and – (a) Protein (b) Mineral salt (c) Vitamin (d) Nutrient (19) Which one is artificial resource? (a) Plants (b) Iron (c) Glass (d) sand (20) Which one is water born disease? (a) Dengue (b) Tuberculosis (c) Pox (d) Cholera (21) Which one of the following the Chlorophylls of green leaves help? (a) Food production (b) Reproduction (c) Respiration (d) Pollination (22) Which one of the following causes air pollution? (a) Use of pesticide (b) Burning bricks in the brick fields (c) Obstacle of rain water (d) Use of chemical fertilizer (23) In which state does water remain on high mountain peaks? (a) Water (b) Water vapour (c) Dew (d) Ice (24) Besides age, height and weight what else we need to get energy by food? (a) Studying (b) Sleeping (c) Physical labour (d) Work at office (25) Which one of the following is the symptom for swine flu? (a) Running nose (b) Increase of appetite (c) Sweating (d) Body itching (26) Which one of the following happens during the adolescence changes? (a) Getting friendly with all (b) More keen to studies (c) Likes to go school everyday (d) Physical, mental and behavioral change
(27) Which one is necessary for the invention of a technology? (a) Financial ability (b) Physical ability (c) Knowledge of science (d) Family background (28) Information technology has reduced our—. (a) Intellectual activity (b) Physical labour (c) Communication (d) Agricultural labour (29) What does happen when air pressure falls down excessively? (a) Storm (b) Rain (c) Heat wave (d) Cold wave (30) Which one of the following is green energy? (a) Natural gas (b) Wind (c) Petroleum (d) Coal (31) What is self-employment? (a) Government job (b) Generating income by own self (c) Working in the industries (d) Private job (32) Which one of the following is nonrenewable resource? (a) Air (b) Wood (c) Petroleum (d) Water (33) Which one is seen every year in Bangladesh? (a) Flood (b) Earth quake c) Kalboishakhi (d) Hurricane (34) Technology is always— (a) Beneficial (b) Harmful (c) Depending on the application whether beneficial or harmful (d) Neither beneficial nor harmful (35) The reason for day and night is — (a) The earth moves round the sun (b) The sun rises and sets (c) The earth moves round on its axis (d) The moon moves round the earth (36) The use of artificial colour and chemical in food can cause(a) Dental problem (b) Kids getting fat (c) Liver and kidney became dysfunctional (d) Kids lose weight (37) Which is a poisonous gas? (a) Oxygen (b) Carbon dioxide (c) Nitrogen (d) Carbon monoxide (38) Which is a poisonous gas? (a) Oxygen (b) Carbon dioxide (c) Nitrogen (d) Carbon monoxide (39) Which one of the following the Chlorophylls of green leaves help? (a) Food production (b) Reproduction (c) Respiration (d) Pollination (40) The basic need of an infant is — (a) Mother's milk b) Dress (c) Medical care (d) Housing