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NEETZoologyLocomotion and Movement

Read the following statements and choose the follwoing option: 1. During contraction the T bands get reduced in length 2. The reaction time of fibres vary in different muscles 3. Muscles contain myoglobin. 4. White fibres contain high amount of Calcium ions. 5. Red fibres contain high amount of Calcium ions.

Options

  1. AOnly 2 is correct
  2. BAll are correct except 5
  3. COnly 1 is correct
  4. DBoth 2 and 5 is correct

Correct answer

B. All are correct except 5

Step-by-step solution

During shortening of the muscle, i.e., contraction, the ‘I’ bands get reduced, whereas the ‘A’ bands retain the length.

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