Q. The sclerenchyma of the hypodermis in the Pinus needle helps in

A) Increasing the absorptive surface of the cell
B) Checking transpiration
C) Mechanical support
D) Photosynthesis
Explanation

Sclerenchyma cells are thick-walled, lignified and dead at maturity. These provide mechanical support to the Pinus needle. Sclerenchyma may be fibrous or sclereid.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.