Q. During muscle countraction (C.B.S.E. - 2001) (Solved)
1. Size of a-bands remains the same
2. Size of H-zone becomes smaller
3. Size of I-bands decreases
4. All the above
- d. All the above
1. Size of a-bands remains the same
2. Size of H-zone becomes smaller
3. Size of I-bands decreases
4. All the above