Q. Stomata open during day time because the guard cells (CPMT 1987) (Solved)
1. Produce osmotically active sugars or organic acids
2. Are thin walled
3. Are bean shaped
4. Have to help in gaseous exchange
- d. Have to help in gaseous exchange
1. Produce osmotically active sugars or organic acids
2. Are thin walled
3. Are bean shaped
4. Have to help in gaseous exchange