What is the function of root hair?
It increases the surface area for absorption of water.
It helps in transportation of food.
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class 7 cbse science
Answers
ANSWER
Q. What is the function of root hair?
ans. Root hair cells (black arrow pointing at one of the root hair cells) are single tubular root cells. Their distinctive lateral elongation increases the surface of exchange between the plant's root system and the soil. The main function of root hairs is the uptake of water and nutrients from the rhizosphere.
Q. It increases the surface area for absorption of water.
ans. Root hairs
Root hairs increase the surface area for the absorption of water and minerals from the soil.
Q.It helps in transportation of food.
Q.It helps in transportation of food.ans. Phloem helps in translocation of food materials from the leaves to parts of the plant. Phloem transports food in both directions, upwards and downwards. ATP is required in form of energy for transportation.
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