What is the function of 'trichomes'? * 1 point a) A powerful narcotic that paralyses insects. b) Hair like projections that detect temperature on the leaf surface. c) Sensors that detect activity and snap shut the two lobes in a Venus Fly trap. d) All of the above.
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Answer:
Trichomes serve a number of functions, which include physical and chemical protection for the leaf against microbial organisms, aphids and insects, and the maintenance of a layer of still air on the leaf surface, thus combating excess water loss by transpiration.
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Explanation:
Trichomes are the multicellular hair like structure present mostly on stem and leaves originate from the epidermal layer.
The function of trichomes:-
They are glandular.
Protects the plant from sunlight and outer injuries.
Prevent plant from water loss.
helps plant in defense against insects.
So the correct option is 'Protection and reduction of transpiration
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