Q5 of 51 Page 30

What is the epidermal cell modification in plants which prevents water loss?

The epidermal cell modification in plants which prevents water loss is known as Bulliform Cells.

Bulliform cells are present in grasses. They help in closing the stomata under stressful conditions and this prevents water loss.


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3

What is the function of phloem parenchyma?

 4

What is present on the surface of the leaves which helps the plant prevent loss of water but is absent in roots?

 6

What part of the plant would show the following?

a. Radial vascular bundle


b. Polyarch xylem


C. Well developed pith


 7

What are the cells that make the leaves curl in plants during water stress?