Q3 of 50 Page 477

Write true or false for the following statements:

The flow of organic matter in a food chain is unidirectional.

False.

The flow of organic matter in a food chain is bidirectional, through biogeochemical cycles, nutrients obtained after decomposition are cycled back to the soil.


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1

Write true or false for the following statements:

The length and complexity of food chains remain mostly the same.

 2

Write true or false for the following statements:

The flow of energy in a food chain is in both the directions.

 4

Write true or false for the following statements:

15% can be taken as the average value for the amount of organic matter that is present at each step and reaches the next level of consumers.

 5

Write true or false for the following statements:

The green plants capture about 10% of the energy of sunlight that falls on their leaves and convert it into food energy.