Question

4.
Lenticels are the respiratory organs exist in
part of plant​

Answer 1

Answer:

Woody stem/bark of old plant

Explanation:

Lenticels are very minute openings usually found on the woody barks of old plants. They transpire (lenticular transpiration) and remain open all throughout the day.

Answer 2

Answer:

Lenticels are in the small area of a bark. these cells are loosely placed and therefore allow the gaseous exchange of respiratory gases between air and living cells of the woody stem stomata help in the gaseous exchange of the respiratory gases between stem of herbaceous plants in air.