Describe the structure and function of different types of epithelial tissues. Draw diagram of each type of epithelial tissue.

Give the reason for:

Meristematic cells have a prominent nucleus and dense cytoplasm, but they lack vacuole.

Give the reason for:

Intercellular spaces are absent in sclerenchymatous tissues.

Give the reason for:

We get a crunchy and granular feeling when we chew pear fruit.

Give the reason for:

Branches of a tree move and bend freely in high wind velocity.

Give the reason for:

It is difficult to pull out the husk of a coconut tree.