ENTRANCE TEST – 2015 Multiple Questions and Answers.
Exercise Questions ::
BIOLOGY
53. | The sarcolemma of muscle fibre folds inwards and forms a system of tubes which runs through the sarcoplasm called: |
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| A. | Myofilaments |
| B. | Sarcoplasmic reticulum |
| C. | Z-lines |
| D. | Transverse tubules |
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54. | According to sliding filament theory, when muscle fibers are stimulated by nervous system, which of the following changes occurs? |
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| A. | I-bands shorten |
| B. | H-zone becomes more visible |
| C. | Z-lines move further apart |
| D. | A-bands shorten |
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55. | If lactic acid build up in thigh muscles, it causes muscle tiredness and pain. This condition is called: |
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| A. | Muscle Fatigue |
| B. | Tetany |
| C. | Cramps |
| D. | Oxygen debt in muscles |
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