MULTIPLE CHOICE QUESTION(MCQ) CHAPTER: NUTRITION IN PLANTS Q1. Green plants and algae are a) Herbivores b) Autotrophs c) Heterotrophs d) Omnivores Q2. The tiny pores present in the leaves of plants for exchange of gases are called . a) Stomata b) Tracheae c) Chloroplast d) Spiracles Q3. Rhizobium is an example of a) Saprotroph b) Parasites c) Insectivorous d) Symbiosis Q4. Which part of the plant gets carbon dioxide from the air for photosynthesis? a) Root hair b) Stomata c) Leaf veins d) Sepals Q5. Iodine is used to detect presence of starch. It gives starch a) Red colour b) Green colour c) Blue-black colour d) Colourless appearance Q6. Amarbel(Cuscuta) is an example of: a) Autotroph b) Parasites c) Saprotroph d) Host Q7. The plant which traps and feeds on insects is: a) Cuscuta b) China rose c) Pitcher plant d) Rose Q8. Green plants use which of the following to prepare food? a) Carbon dioxide b) Sunlight c) Water d) All of these Q9. Which of the following statements is not true? a) Heterotrophs can’t prepare their own food. b) Dodder is an example of parasite. c) Saprophytes are green. d) Pulses are beans are legumes. Q10. Main function of a leaf is: a) To prepare food b) To prevent disease c) To support the plant d) To give a proper shape Q11. Essential nutrient components necessary for living body are: a) Carbohydrates, proteins, fats, vitamins and minerals b) Starch c) Glucose d) None of these Q12. The mode of taking food by an organism and its utilization by the body is called . a) Nutrients b) Nutrition c) Ingestion d) Feeding Q13. Human beings can be categorized as: a) Parasite b)Heterotrophs c) Autotrophs d) Saprotrophs Q14. Ultimate source of energy is: a) Chemical energy b)Wind energy c) Solar energy d) Water energy Q15. The raw materials for photosynthesis are: a) Oxygen and water b)Carbondioxide and water c) Nitrogen and water d) Water, carbon dioxide, chlorophyll and solar energy Q16. bacterium is found as symbiotic partner in the root nodules of legumes. a) Rhizopus b)Rhizobium c) Streptococcus d) Staphylococcus Q17. Some examples of essential mineral nutrient required by plants are a) Nitrogen, phosphorus and potassium b)Helium, Hydrogen and oxygen c) Neon, fluorine and lead d) All of these Q18. Symbiotic relationship between alga and fungi is termed . a) Algofungate b)Lichen c) Rhizobium d) Mycorhiza Q19. Green coloured pigment present in leaves of green plant and algae which helps in trapping of solar energy during photosynthesis is a) Safranin b) Chloroplast c) Chlorophyll d) Both ‘a’ and ‘b’ Q20. Carbohydrates are made up of elements like a) Carbon, nitrogen and cobalt b)cells c) Hydronium, Sodium and Cobalt d) Carbon, hydrogen and oxygen ANSWERS: 1: b) Autotrophs 2: a) Stomata 3: d) Symbiosis 4: b) Stomata 5: c) Blue-black colour 6: b) Parasites 7: c) Pitcher plant 8: d) All of these 9: c) Saprophytes are green. 10: a) To prepare food
11: a) Carbohydrates, proteins, fats, vitamins and minerals 12: b) Nutrition 13: b)Heterotrophs 14: c) Solar energy 15: d) Water, carbon dioxide, chlorophyll and solar 16: b) Rhizobium
17: a) Nitrogen, phosphorus and potassium 18: b) Lichen 19: c) Chlorophyll 20: d) Carbon, hydrogen and oxygen