DENDROLOGY

TREE PHYSIOLOGY

TRANSPIRATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which statement best describes the stomata?
A
A hole in the leaf.
B
A tiny pore in the bottom of the leaf that allows for gas exchange between the leaf and the atmosphere.
C
Guard Cells with vacuoles that get larger and smaller over the course of the day.
D
None of the above.
Explanation: 

Detailed explanation-1: -These tiny pores present in the leaves are known as stomata. They help in the exchange of gases and also give out water vapour through transpiration.

Detailed explanation-2: -stomate, also called stoma, plural stomata or stomas, any of the microscopic openings or pores in the epidermis of leaves and young stems. Stomata are generally more numerous on the underside of leaves.

Detailed explanation-3: -Stomata regulate gas exchange between the plant and environment and control of water loss by changing the size of the stomatal pore.

Detailed explanation-4: -Stomata (noun, “STO-mah-tah”, singular “stoma”) These are the small pores in plant stems or leaves that allow carbon dioxide in and oxygen and water vapor out. Each tiny hole is surrounded by a pair of cells called guard cells. These cells control whether a stoma is open or closed.

There is 1 question to complete.