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?