Question

ans question no 4 fast

Answer 1

hey bro your answer is second one ... means stomata.......

Answer 2

Lenticels carry out the gaseous exchange between the atmosphere and the internal tissue of the stem by allowing the entry of oxygen and release of carbon dioxide.

In order to study respiration in green plants, we must block out the light, because although green plants respire all the time they only photosynthesize in the light.All parts of the plant respire, the leaves, the stem, the roots and even the flowers. The parts above the soil get their oxygen directly from the air through pores. The pores in the leaves are called stomata (singular: stoma). The pores in the branches of trees are called lenticels.

Root hairs a tiny elongated cells which increase the surface area of the root for maximum water absorption.Water enters the root hair via osmosis. While water is not directly required for respiration, it is required in photosynthesis, and the glucose made during photosynthesis is used in respiration. Thus root hairs help respiration indirectly.

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