NEET BIOLOGY

BIOLOGICAL CLASSIFICATION

KINGDOM PLANTAE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following best describes the stomata?
A
Cells in a flower that give it color
B
Tissue in a leaf that allows large amounts of light absorption
C
Spongy tissue in a leaf that allows for production of carbohydrates
D
The tiny openings in the underside of a leaf’s that open and close to control gas exchange
Explanation: 

Detailed explanation-1: -Stomata are tiny openings or pores in plant tissue that allow for gas exchange. Stomata are typically found in plant leaves but can also be found in some stems.

Detailed explanation-2: -Its prime function is to exchange the gases by closing and opening the pores in the leaves.

Detailed explanation-3: -Stomata resemble doughnuts-a circular pore with a hole in the middle for gas to enter or leave the plant. The pore consists of two cells-each known as a guard cell.

Detailed explanation-4: -Stomata are generally more numerous on the underside of leaves. They provide for the exchange of gases between the outside air and the branched system of interconnecting air canals within the leaf. A stomate opens and closes in response to the internal pressure of two sausage-shaped guard cells that surround it.

Detailed explanation-5: -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.

There is 1 question to complete.