Multiple choice

Which of the following statements regarding the energy flow in food chain is wrong?

  1. Energy loss in a food chain occurs in the expulsion of undigested food by excretion or regurgitation.

  2. Energy can be reused definitely, though matter circulates.

  3. With the decomposers, no energy is left for recycling.

  4. In the animals, the chemical energy is used as mechanical energy and heat.

  5. Energy is absorbed into the secondary consumers through the process of digestion.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Energy cannot be reused indefinitely, though matter circulates. Energy from the sun or the solar energy is converted by the photosynthetic producers into chemical energy in the form of carbohydrates in plants.

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