Question

Question 5. Answer in one word. [03 MARKS]

1.Name tiny pores present on the surface of leaves through which gaseous exchange occurs.​

Answer 1

stomata

Major function os stomata

The respiration in leaves takes place through the tiny pores called stomata present on them. The exchange of gases occurs through these pores. The oxygen is transported to other cells of the plant by diffusion and in the same carbon dioxide is removed from the cells.

Answer 2

Stomata

Explanation:

Stomata are tiny pores that is present on the surface of leaf.

• It allows gases to enter and exit the leaf more rapidly between plant and atmosphere by the process of diffusion.

• Opening and closing of stomata is the function of guard cells. Guard cells swell when water flows into them causing stomatal pore to open.

• Guard cells are bean shaped cells that frame stomata. They contain chloroplasts and have cell wall.