First slide

The Tissue System

Question

Identify the structures of epidermal tissue system minimize water loss due to their presence or action:
I. Bulliform cells
II. Cuticle
III. Trichomes

Easy

A

I, II, III are correct
B

only I and II are correct
C

only III is correct
D

only II and III are correct

Solution

Bulliform cells by promoting inrolling of lamina minimize water loss in grasses. Cuticle being made of hydrophobic cutin minimize water loss and trichomes being present as outgrowths of epidermis of aerial plant parts screen the light that reaches the mesophyll to minimize increase in temperature.

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