The productivity of ocean is less because

Biology Ecosystem Structure and Function, Productivity and Decomposition Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

It occupies 70 per cent of earth’s surface.

Light is a major limiting factor which decreases with increase in water depth.

It contains algae as a chief producer.

All the above

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The correct answer is:

Ocean productivity is low mainly because sunlight decreases with depth, limiting photosynthesis.

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