PATHOLOGY

PATHOLOGY MCQ

CELL DAMAGE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the openings on the underside of leaves that let carbon dioxide into the leaf and let oxygen out?
A
Chloroplasts
B
Stomata
C
Stomach
D
Cuticle
Explanation: 

Detailed explanation-1: -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.

Detailed explanation-2: -This evolutionary innovation is so central to plant identity that nearly all land plants use the same pores-called stomata-to take in carbon dioxide and release oxygen.

Detailed explanation-3: -Stomatal openings are necessary to admit carbon dioxide to the leaf interior and to allow oxygen to escape during photosynthesis.

Detailed explanation-4: -The tiny openings are called the stomata.

Detailed explanation-5: -Carbon dioxide enters the leaf and oxygen and water vapour leave the plant through the stomata.

There is 1 question to complete.