Q. The large empty and colourless cells present at intervals on the upper surface of grass leaf are called
A) Bulliform cells
B) Palisade parenchyma
C) Spongy parenchyma
D) Accessory cells
Explanation
Bulliform cells or motor cells specialized large, empty, vacuolated colourless, thin-walled cells present in the upper epidermis of isobilateral leaf of monocots. They function in rolling up of leaves during water stress or xerophytic conditions.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.