Give anaccount ofstructure and functions of muscle fibres ?
or Describe different types of muscular tissues.
, What is skeletal muscle and illustrate its fine structure.

Define tissue and describe different types of epithelial tissue. Or What is epithelial tissue ? Describe its structure and functions.

Give the structure and functions of various types of connective tissue proper.?

Describe mechanism of muscle contraction. Or What is sarcomere ? Discuss the mechanism of contraction of a skeletal muscle. Or Describe molecular mechanism of muscle contraction.

Describe composition and functions of blood. or What is fluid connective tissue ? Describe its structure and function.

Study the figure given below and answer the questions that follows (i) Pick out and name the cells that undergo spermiogenesis . (ii) Name A and B cells . What is the difference between them with reference to the number of chromosomes (iii) Pick out and name the motile cells . (iv) What is F cell ? Mention its function . (v) Name the structure of which the given diagram is a part . (vi) What is labelled as D ?

Study the given figure. (i) Pick out and name the cells that undergo spermiogenesis. (ii) Name 'A' and 'B'cells. What is the difference between them with reference to the number of chromosome? (iii) Pick out and name the motile cells. (iv) What is 'F'cell? Mention its function. (v) Name the structure of which the given diagram is a part.