Q16 of 38 Page 106

The percentage of solar radiation absorbed by all the green plants for the process of photosynthesis is about

All green plants and blue-green algae prepares their food with the help of photosynthesis in presence of sunlight. Only 1% of the total sun radiation is absorbed by them to prepare food through photosynthesis.

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14

Which of the statement is incorrect?

 15

Which group of organisms are not constituents of a food chain?

(i) Grass, lion, rabbit, wolf


(ii) Plankton, man, fish, grasshopper


(iii) Wolf, grass, snake, tiger


(iv) Frog, snake, eagle, grass, grasshopper

 17

Assume T1, T2, T3 and T4 are the various trophic levels from bottom to top in a pyramid. At which trophic level is maximum energy available?

 18

What will happen if deer is missing in the food chain given below?
Grass → Deer → Tiger