Question

Fill in the blanks by using appropriate words.

(v) In a young plant body pores in epidermis help in exchange of gases, whereas in a woody plant bodyare the pores for exchange of gases.

Answer 1

In a young plant body stomatal pores in epidermis help in exchange of gases, whereas in a woody plant body lenticels are the pores for exchange of gases.
Every part of plant such as the leaves, stems, roots, and even the deepest placed cell in any region respires. Oxygen is obtained from the atmosphere through three inlets:

• Stomata present in the epidermis of leaves and young stem.
• Lenticels present in trunks of woody plant and general surface of roots