The correct statements from the following are (i) Many xero…

Physics NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 3 PCB MCQ (Single Correct)

The correct statements from the following are

(i) Many xerophytic plants have a thick cuticle on leaf epidermis and sunken stomata to prevent transpiration.

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

(iii) Opuntia has no leaves, they are reduced to spines.
(iv) All adaptations are genetically fixed in all organisms.

(v) In Optuntia, the pathway of photosynthesis is through cycle.

(i), (ii) and (iii)

(iv) and (v)

Only (ii)

All of these

Text Solution

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The correct answer is:

Statements (i), (ii) and (iii) are correct.

(iv) All adaptations are not genetically fixed in all organisms.

(v) In Opuntia, the pathway of photosynthesis is through cycle.

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