Q15 of 386 Page 155

Differentiate between sclerenchyma and paraenchyma tissue. Draw well labelled diagrams.

Differences between sclerenchyma and paraenchyma tissue:

Sclerenchyma	Parenchyma
It is thick-walled dead tissue.	It is thin-walled living tissue.
The cells are elonged and spindle-shaped.	The cells are oval, spherical or polygonal in shape.
There is no intercellular space between the cells.	There is large, intercellular space between the cells.
It provides mechanical support to the plants.	It provides support to plants and also stores food.

Fill in the blanks.

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

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

(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.

Water hyacinth floats on water surface, Explain.

Describe the structure and function of different types of epithelial tissues. Draw well labelled diagram.

Draw well labelled diagrams of various types of muscles found in human body.