Q. Which structure in the plant regulates the opening and closing of stomata?
-
A.
Guard cells
-
B.
Xylem vessels
-
C.
Phloem fibers
-
D.
Mesophyll cells
Solution
Guard cells surround the stomata and control their opening and closing, regulating gas exchange and transpiration.
Correct Answer:
A
— Guard cells
Learn More →
Showing 31 to 31 of 31 (2 Pages)