Home Biology Ecosystem Previous Year Questions Which one of the following statements for py…
Biology Ecosystem Previous Year Questions Single Correct MCQ
Published on: August 14, 2026

Which one of the following statements for pyramid of energy is incorrect, whereas the remaining three are correct?

A
It shows energy content of different trophic level organisms
B
It is inverted in shape
C
It is upright in shape
D
Its base is broad

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Text Solution

Verified by Experts
The correct answer is:
B

The pyramid of energy is always upright because energy flow decreases at each successive trophic level due to loss as heat (second law of thermodynamics).

Energy pyramid → always upright

Numbers pyramid → can be inverted (e.g., forest)

Biomass pyramid → may be upright or inverted depending on ecosystem

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