MHT CET Medical202622 April 2026Morning ShiftBiologyEcosystemActual
Which one of the following is NOT a limitation of ecological pyramids?
Options
- AThe base of each pyramid represents the first trophic level.
- BIt does not accommodate a food-web.
- CSaprophytes are not given any place.
- DA given species may occupy more than one trophic level.
Correct answer
A. The base of each pyramid represents the first trophic level.
Step-by-step solution
The base of each pyramid represents the producers or the first trophic level. This is a fundamental characteristic of ecological pyramids, not a limitation. The limitations of ecological pyramids include: 1. They do not take into account the same species belonging to two or more trophic levels. 2. They assume a simple food chain and do not accommodate a food web. 3. Saprophytes are not given any place in ecological pyramids despite their vital role in the ecosystem. Answer: The base of each pyramid represents the f