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

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

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

Give reasons for

(a) Meristematic cells have a prominent nucleus and dense cytoplasm but they lack vacuoles

(b) Intercellular spaces are absent in sclerencytmatous tissue

(c) We get a crunchy and granular feeling when we chew pear fruit

(d) Branches of a tree move and bend freely in high wind velocity

(e) It is difficult to pull out the husk of coconut.

List the characteristics of cork. How is it formed? Mention its role.