How many of the following are correct?

Biology Ecosystem Statement Based Questions Single Correct MCQ

Published on: August 27, 2026

Each trophic level has a certain mass of living material at a particular time called as the standing crop. 7

Only 10 percent of the energy s transferred to each trophic level from the lower trophic level. 6

Some of the organisms of DFC are prey to the GFC animals, and in a natural ecosystem, some animals like human, cockroaches, crows, peacock and sparrow are omnivores. 5

A given species may occupy more than one trophic level in the same ecosystem at the same time. (E) Saprophytes are not given any place in ecological pyramids even though the play a great role in the ecosystem. (F) No energy, that is trapped into an organisms remains in it forever. (G) Death of organism is the beginning of the Detritus food chain. 4

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The correct answer is:

All the given statements A to G are correct according to ecosystem concepts. They describe standing crop, 10% law, food chains, trophic levels, decomposers, energy flow, and detritus food chain correctly.

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