Q4 of 51 Page 30

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

Cuticle is present on the surface of the leaves which helps the plant prevent loss of water.

Cuticle is absent in roots.


Cuticle is waxy thick layer covering the outside of the epidermis.


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2

Protoxylem is the first formed xylem. If the protoxylem lies next to phloem what kind of arrangement of xylem would you call it?

 3

What is the function of phloem parenchyma?

 5

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

 6

What part of the plant would show the following?

a. Radial vascular bundle


b. Polyarch xylem


C. Well developed pith