1.

Select the mismatched pairA. Root hair-UnicellularB. Stem hair-multicellularC. trichomes-cause water lossD. guard cells-regulate opening and closing of stomata

Answer» Correct Answer - C
Trichomes are unicellular or multicellular, branched or unbranched outgrowths which are strictly epidermal in origin. Being the outermost layer trichome is protective in nature. With the help of cuticle it checks the rate of water loss from aerial parts. Trichomes present on the surface of some seesd and fruits help in their dispersal.


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