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1 . It protects the plant body from external environmental factors . 2 . It also protects the plant from mechanical injury of parasites and fungi. 3. In aerial part of plant , it has a waxing coating which is resistant to water. hope it. helps you. mark me as brainliest
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2 . It also protects the plant from mechanical injury of parasites and fungi.
3. In aerial part of plant , it has a waxing coating which is resistant to water.
hope it. helps you.
mark me as brainliest
(i) It protects the inner tissues.
(ii) It reduces the rate of transpiration due to cuticularisation of the outer layer. It also reflects the light to some extent, reducing heating.
(iii) It helps in gaseous exchange due to presence of stomata.
(iv) The epidermis also stores water and metabolic products.
(v) The bulliform cells help in inrolling and unrolling of leaves and thus, reduce transpiration.
(vi) Trichomes help in protection of parts and help in retention or moisture on the plant body.
(vii) Root hairs help in absorption of water and minerals.