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.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.