TOPIC : Nutrition in plants
1. Give reasons for each of the following :
(a) All living organisms need to take food.
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(b) Algae are classified as autotrophs .
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(c) Lichens are a good example of symbiosis.
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(d) Insectivorous plants are partial heterotrophs.
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2. What are the conditions necessary for photosynthesis to take place? How are these fulfilled by the plants?
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3. Write the word equation for Photosynthesis.
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4. Write two differences between :-
(a) Saprophytes and parasites
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(b) Photosynthesis and respiration
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5. How would you test the presence of starch in leaves?
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6. The stomata are surrounded by guard cells. Why?
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7. If plants cease to exist today, all other living organisms would also be endangered. Explain why?
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8. Rhizobium is a symbiotic bacteria.Explain.
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9. Green plants are autotrophs but insectivorous plants are heterotrophs. Give reasons.
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10. With the help of a neat labeled diagram describe the structure of an insectivorous plant.
Please click on below link to download CBSE Class 7 Science Nutrition in plants Worksheet Set C