Q. No.
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Skeletal muscles are:
| 1. | Striated, Multinucleate and Voluntary |
| 2. | Non-Striated, Multinucleate and Voluntary |
| 3. | Striated, Multinucleate and Involuntary |
| 4. | Non-Striated, Uni-nucleate and Voluntary |
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As the distance from Z line to Z line decreases, which bands shorten in a sarcomere?
| 1. | the I band and H band | 2. | the I band and A band |
| 3. | the A band and H band | 4. | all bands shorten |
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| A | B | C | D | |
| 1. | I band | A band | H zone | M line |
| 2. | I band | H zone | M line | Z line |
| 3. | A band | I band | Z line | M line |
| 4. | H zone | I band | M line | Z line |
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The smallest, functional unit of contraction is the:
| 1. | muscle fiber | 2. | sarcomere |
| 3. | myofilament | 4. | myofibril |
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With respect to the red muscle fibers [Type I], the white muscle fibers [Type II] are richer in:
| 1. | Blood capillaries | 2. | Myoglobin |
| 3. | Sarcoplasmic reticulum | 4. | Mitochondria |
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Which of the following movements can be seen in a human body?
| I. Amoeboid | II. Ciliary | III. Flagellar |
| 1. | I and II only | 2. | I and III only |
| 3. | II and III only | 4. | I, II and III |
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During muscle contraction, the part that does not get shortened in length is labeled as the letter:
| 1. A | 2. B |
| 3. C | 4. D |
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A motor neuron along with all the muscle fibers innervated by it constitute a:
| 1. | Fascicle | 2. | Motor end plate |
| 3. | Motor unit | 4. | Myoneural junction |
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Consider the following statements:
| I: | The head of myosin is made of LMM and the tail is made of HMM |
| II: | F Actin is monomeric while G actin is polymeric |
| III: | Tropomyosin is composed of three globular proteins |
1. I and II only
2. I and III only
3. II and III only
4. I, II and III
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