Botany-Ecosystem Components

NEET Botany Ecosystem Components MCQ Question

Type: MCQ-conceptual-Hard-Class 12

Which of the following statements about ecosystem components is correct?

A

Abiotic components include air, water, and soil, while biotic components consist of producers, consumers, and decomposers.

B

Stratification refers to the random distribution of species in an ecosystem without any hierarchical structure.

C

Primary productivity is solely determined by the number of consumers present in an ecosystem.

D

Species composition can be defined as the vertical distribution of different species occupying various levels in an ecosystem.

Correct Answer

Option A

Detailed Explanation

Statement A accurately describes the distinction between abiotic and biotic components of an ecosystem as stated in the NCERT context. Statement B is incorrect because stratification reflects a structured arrangement of species, not random distribution. Statement C is erroneous as primary productivity is primarily associated with producers, not consumers. Statement D mixes definitions, as stratification specifically relates to vertical distribution, while species composition refers to the identification of species.

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