✓ Board-verified
Biology · 2024 · 2 marks
CBSE 2024 · Region 1 · Set 1 · Q21
Study the diagram of a pyramid of biomass given below. Name the two standing crops that could be occupying level 'A' and level 'B' in it. Name this…
Study the diagram of a pyramid of biomass given below. Name the two standing crops that could be occupying level 'A' and level 'B' in it. Name this type of pyramid and the ecosystem in which it is found.
Marking-scheme solution
A – Zooplankton ,
B – Phytoplankton ,
-Inverted pyramid of biomass ,
-Sea Ecosystem/ Aquatic ecosystem
More from Ecosystem
- Assertion: Decomposition process is slower if detritus is rich in lignin and cutin. Reason (R): Decomposition is largely an oxygen requiring process.2023 · asked 2×
- Observe the contents 1, 2, 3 and 4 of soil samples I, II and III shown in the graph. If the temperature and moisture of all soil samples are…2026
- The rate of formation of new organic matter by consumers, and the biomass available for consumption of herbivores as well as decomposers are referred…2024
- 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…2023
- Below is shown a pond that represents a self-sustaining natural ecosystem with both biotic and abiotic components interacting in a balanced food web.…2026
- How is the grazing food chain different from the detritus food chain? "The detritus food chain may be connected to the grazing food chain at some…2024
- State what is primary productivity and mention its units. 1 1/2 Some ecologists observed that primary productivity of a place in Rajasthan was low as…2024
- Construct a pyramid of biomass in sea with phytoplankton and fishes. Explain giving reasons about the characteristic of the constructed pyramid. In…2024
CBSE Class 12 Biology past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.