| 1. | If a grasshopper is eaten by a frog, then the energy transfer will be from ? | |
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secondary consumer to primary consumer
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primary consumer to secondary consumer
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producer to primary consumer
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producer to decomposer
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Report Question| 2. | Which group of organisms are not constituents of a food chain ? | |
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Wolf, grass, snake, tiger
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Frog, snake, eagle, grass, grasshopper
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Plankton, man, fish, grasshopper
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Grass, lion, rabbit
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| 3. | Which one of the following is a non-biodegradable substance ? | |
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Cotton cloth
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Paper
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DDT
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Manure
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| 4. | An ecosystem includes ? | |
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non-living objects
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both living organisms and non-living objects
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all living organisms
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sometimes living organisms and sometimes non-living objects
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| 5. | In a food chain, the third trophic level is always occupied by ? | |
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producer
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decomposer
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herbivore
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carnivore
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| 6. | Food web is ? | |
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Display of different food items
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Interlinked food chains
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Using food items for a fashion dress
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Food served through websites
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| 7. | Only ____ % of the energy can be transferred from one trophic level to the next trophic level. ? | |
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20
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1
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10
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5
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| 8. | Replacing Plastic cups by paper cups for selling tea on train may be preferred because ? | |
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Plastic cups are bio degradable
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Paper cups are cheaper
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Paper cups are bio degradable
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Paper cups are non bio degradable
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| 9. | Identify the proper food chain ? | |
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Grass , frog , snake , insect
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Insect , frog , grass , snake
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Grass, insect , frog , snake
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Grass , frog , insect , snake
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| 10. | Excessive exposure of humans to UV-ray s results in (i) damage to immune system (ii) damage to lungs (iii) skin cancer (iv) peptic ulcer ? | |
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(iii) and (iv)
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(i) and (iii)
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(ii) and (iv)
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(i) and (ii)
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