Question

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.​

Answer 1

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.