Question

Consider the following four statements (i) - (iv) and select the correct option.
(i) Actin is present in thin filament.
(ii) $H$-zone of striated muscle fibre represents both thick and thin filaments.
(iii) There are $11$ pairs of ribs in man.
(iv) Sternum is present on ventral side of the body.

	(i)	(ii)	(iii)	(iv)
(a)	$F$	$F$	$T$	$F$
(b)	$F$	$F$	$F$	$T$
(c)	$T$	$F$	$F$	$T$
(d)	$T$	$F$	$T$	$F$

• A. a
• B. b
• C. c
• D. d

Answer 1

Answer: (C)

Actin is a globular protein present in thin filaments. $H$-zone represents only thick filaments. There are $12$ pairs of ribs in man. Sternum is a flat bone present on the ventral side of the body in the middle of the front of the chest.