Which of the following is not a xeric adaptation in xerophytes ?
Thick cuticular covering
Explanation of correct option:
1. Option B: Thick cuticular covering
Thick cuticular covering is not only seen in xerophytes but most of plants have cuticle covering in their leaves to reduce transpiration rate.
Explanation for incorrect options:
2. Option A: Succulent and spongy stem
Xerophytic plants have a succulent and spongy stems to store water.
3. Option C: Mucilaginous coating
Xerophytic plants have a thick and waxy coating in the stem to prevent loss of water.
4. Option D: Reduced leaves
The leaves of desert plants are reduced to spines to prevent the loss of water.
Final answer: Thick cuticular covering is not only seen in xerophytes but most of plants have cuticle covering in their leaves to reduce transpiration rate.