Botany-Secondary Growth

NEET Botany Secondary Growth MCQ Question

Type: MCQ-conceptual-Medium-Class 11

Which of the following statements regarding secondary growth is correct?

A

The cambial ring is more active on the outer side, producing more secondary phloem than xylem.

B

Secondary growth results in the formation of an interfascicular cambium from medullary rays.

C

Spring wood is denser and darker compared to autumn wood.

D

Bark is composed only of secondary phloem and cork cells.

Correct Answer

Option B

Detailed Explanation

The second option is correct as the interfascicular cambium is formed from medullary rays, as stated in the NCERT context. The cambium is generally more active on the inner side, producing more secondary xylem, and spring wood is lighter and less dense than autumn wood. Bark includes multiple tissue types, not just secondary phloem and cork cells.

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