Gas exchange in the stems

Question 1

Define lenticels

Answer 1

Lenticels are openings in the stems of plants that allow gas exchange.

Question 2

What part of trees and other plants in general require oxygen for respiration?

Answer 2

Cells in the stems (or trunks) of trees and shrubs require oxygen for respiration.

Question 3

As a result of respiration, what do plants produce?

Answer 3

they produce carbon dioxide as a result of respiration.

Question 4

What part of a tree trunk does not allow the passage of gases out of the stem? (What general part of plants also)

Answer 4

Normally the epidermis or bark does not permit the passage of gases in or out of the stem.

Question 5

What part of trees and other plants, in general, require oxygen for respiration?

Answer 5

Cells in the stems (or trunks) of trees and shrubs require oxygen for respiration.