Which of the following statement is false w.r.t adaptations?

Biology Organisms and Populations Populations Attributes Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

Many xerophytic plants have thick cuticle on leaf epidermis, sunken stomata

Some xerophytic plants have special photosynthetic pathway (CAM) that enables their stomata close during day

Opuntia has spines (modified leaves), photosynthetic phylloclade (stem)

All adaptations are genetically fixed in all organisms

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The correct answer is:

This is false because not all adaptations are genetically fixed; some are temporary or physiological. The other options correctly describe adaptations seen in xerophytic plants.

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