Q1Written answer
Match the following and mark the correct option
Column I | Column II |
A.Fast muscle fibers | (i)Myoglobin |
B.Slow muscle | (ii) Lactic acid |
C. Actin filament | (iii) Contractile unit |
D. Sarcomere | (iv) I-band |
Options:
(a) $A - (i)$, $B - (ii)$, $C - (iv)$, $D - (iii)$
(b) $A - (ii)$, $B - (i)$, $C - (iii)$, $D - (iv)$
(c) $A - (ii)$, $B - (i)$ , $C - (iv)$, $D - (iii)$
(d) $A - (iii)$, $B - (ii)$, $C - (iv)$, $D - (i)$
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Worked solution
Ans: (c) $A - (ii)$, $B - (i)$ , $C - (iv)$, $D - (iii)$
Explanation: Sarcomere consists of two main protein filaments: actin and myosin. They are also known as basic contractile units. Slow muscle fibers consist of myoglobin as they help in continuous ATP production.