Q12 of 386 Page 155

Why is epidermis important for the plants.

Epidermis plays a vital role in plants. The cuticle of epidermis helps in reduction of loss of water by evaporation and helps in protecting the plants from pathogens like parasites.


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10

Fill in the blanks

(a) Lining of blood vessels is made up of .....


(b) Lining of small intestine os made up of .....


(c) Lining of kidney tubules is made up of ....


(d) Epithelial cells with cilia are found in ......of body.

 11

Fill in the blanks

(a) Cork cells posses .... on their walls that makes them impervious to gases and water.


(b) ......have tubular cells with perforated walls and are living in nature.


(c) Bone posses a hard matrix composed of ... and ...

 13

Fill in the blanks.

(a) ......are forms of complex tissue.


(b) ......have guard cells.


(c) Cells of cork contain a chemical called .....


(d) Husk of coconut is made of .....tissue.


(e) ...... and ....... both conducting tissues.


(f) ......... gives flexibility in plants.


(g) Xylem transports .... and ......from soil.


(h) Phloem transport .... from ......... to other parts of the plant.

 14

Water hyacinth floats on water surface, Explain.