Home Biology Ecosystem Image Based Problems Given below is the diagram of the ecological…
Biology Ecosystem Image Based Problems Single Correct MCQ
Published on: August 12, 2026

Given below is the diagram of the ecological pyramids.

This type represents

A
pyramid of number in a grassland
B
pyramid of biomass in a lake
C
pyramid of biomass in a land
D
pyramid of energy

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Text Solution

Verified by Experts
The correct answer is:
D

The diagram shows energy values decreasing step by step across trophic levels:

Primary producers (PP) → 10,000 J

Primary consumers (PC) → 1,000 J

Secondary consumers (SC) → 100 J

Tertiary consumers (TC) → 10 J

This clear decline illustrates the pyramid of energy, which is always upright because energy flow diminishes at each successive trophic level due to loss as heat and respiration.

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