Botany-Ecosystem Components

NEET Botany Ecosystem Components MCQ Question

Type: MCQ-conceptual-Medium-Class 12

Which combination of statements correctly describes the components of an ecosystem?

A

Producers are the base of ecological pyramids; decomposers recycle nutrients back to the soil.

B

Only carnivores can be primary consumers; biomass increases at higher trophic levels.

C

Aquatic ecosystems have no producers; trophic levels are only defined by energy flow.

D

Detritivores are the primary contributors to biomass; pyramids of energy show no decrease at higher levels.

Correct Answer

Option A

Detailed Explanation

Producers form the base of ecological pyramids, indicating their role as the first trophic level, while decomposers, such as detritivores, play a crucial role in recycling nutrients back into the soil, supporting ecosystem productivity.

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