NEET Zoology Muscle Contraction Match the Following Question
Match Column-I with Column-II.
| Column-I | Column-II |
|---|---|
| (a) Actin filaments | (i) Thick filaments |
| (b) Myosin filaments | (ii) Z line |
| (c) Sarcomere | (iii) Functional unit of contraction |
| (d) Tropomyosin | (iv) Masks active sites |
a-i, b-ii, c-iii, d-iv
a-ii, b-i, c-iv, d-iii
a-iv, b-iii, c-i, d-ii
a-iii, b-iv, c-ii, d-i
Correct Answer
Detailed Explanation
Actin filaments are indeed the thin filaments, while myosin filaments are the thick ones. The sarcomere is defined as the functional unit of contraction, and tropomyosin's role is to mask the active binding sites on actin filaments.
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