1. Tardigrade
  2. Question
  3. Biology
  4. Read the following statements regarding adaptation and choose the correct option. (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 adaptation are genetically fixed in all organisms. (v) In Opunti, the pathway of photosynthesis is through C3 cycle.

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Q. Read the following statements regarding adaptation and choose the correct option.
(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 adaptation are genetically fixed in all organisms.
(v) In Opunti, the pathway of photosynthesis is through $C_3$ cycle.

Organisms and Populations

Solution:

Statements (i), (ii) and (iii) are correct.
(iv) All adaptation are not genetically fixed in all organisms.
(v) In Opuntia, the pathway of photosynthesis is through $C_4$ cycle.