NEET UG BIOLOGY MCQ: ECO SYSTEM

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Analyzing +4 | -1

Given below are two Statement : one is labelled as Assertion (A) and the other is labelled as Reason
(R)

Assertion (A): Despite occupying about 70percent of the surface, the productivity of oceans are only
55 billion tons.

Reason (R): In deep sea productivity is limited by light and nitrogen

In the light above statements, choose the most appropriate answer from the options given below.

View answer and explanation

Correct option: C

A and R are true and R is the correct explanation of A

Option C (A and R are true and R is the correct explanation of A) is correct because both the assertion and reason are true, and the reason correctly explains why ocean productivity is relatively low despite its large surface area.

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