Q.

Stomata open during day time because the guard cells (CPMT 1987)

A. Produce osmotically active sugars or organic acids
B. Are thin walled
C. Are bean shaped
D. Have to help in gaseous exchange
Answer» D. Have to help in gaseous exchange
2.8k
0
Do you find this helpful?
20

View all MCQs in

Biology

Discussion

No comments yet