CBSE 2023 · Region 3 · Set 2 · Q11 · 1 mark
Given below is a diagram of an ecological pyramid of numbers. Choose the correct food chain from the list of food chains given, that represents the given pyramid.
Official answer
From CBSE’s own marking scheme for this paper.
(C)
Grass → Rabbit → Fox → Flea
EcosystemEcological PyramidsAnalysemcqmedium
More from Ecosystem
- Observe the contents 1, 2, 3 and 4 of soil samples I, II and III shown in the graph. If the temperature and…2026 · asked 3×
- Below is shown a pond that represents a self-sustaining natural ecosystem with both biotic and abiotic…2026 · asked 3×
- Name the type of food chains responsible for the flow of larger fraction of energy in an aquatic ecosystem…2025 · asked 3×
- Differentiate between grazing food chain and detritus food chain. OR Explain Brood parasitism with the help…2024 · asked 3×
- Assertion: In terrestrial ecosystem much larger fraction of energy flows through grazing food chain. Reason…2026 · asked 3×
- Write important features of 'humus' formed during the decomposition cycle in a terrestrial ecosystem. OR (i)…2024 · asked 3×
- Assertion: Decomposition process is slower if detritus is rich in lignin and cutin. Reason (R): Decomposition…2023 · asked 3×
- Assertion: Some aquatic ecosystems have inverted biomass pyramids. Reason (R): More energy is required by the…2024 · asked 3×
CBSE Class 12 Biology past-paper question from the 2023board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.