Biology (3752 MCQS)

Kingdom Fungi(249) BiologIcal Molecules(126) The Cell(199) Kingdom plantae (400) Viruses (303) Homeostasis (271) Support and movement(293) Control and coordination(314) Kingdom Animalia(635) Reproduction(252) Bioenergetics(270) Growth and Development(190) Kingdom Monera(250)

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LECTURESHIP, SUBJECT SPECIALIST COURSE's

Chapter No 16 :Support and movement (293 MCQ`S)

  1. Cross bridges are formed when
    1. Myosin heads attach on actin
    2. tropomyosin is displased
    3. calcium ion bind to troponin
    4. All
      5. Show Answer
      Answer: D
      Explanation:
      • N/A
  2. Sliding filament model was given by
    1. H Huxley
    2. A.F.Huxley
    3. both a and b
    4. only H Huxley
      5. Show Answer
      Answer: C
      Explanation:
      • N/A
  3. When cross bridges are foremd which changes take place
    1. I band shorten
    2. H zone disappear
    3. Z lines close together
    4. All
      5. Show Answer
      Answer: D
      Explanation:
      • N/A
  4. Which one of the following is vestigial bone in humans
    1. atlas
    2. axis
    3. sacrum
    4. coccyx
      5. Show Answer
      Answer: D
      Explanation:
      • N/A
  5. Curved vertebral column is more favourable as it provide
    1. more strength
    2. more flexibility
    3. more elasticity
    4. more protection
      5. Show Answer
      Answer: A
      Explanation:
      • N/A
  6. In which structure muscle heamoglobin is found
    1. sarcomere
    2. sarcoplasmic reticulum
    3. sarcolemma
    4. sarcoplasm
      5. Show Answer
      Answer: D
      Explanation:
      • N/A
  7. During contraction cross bridges attach to which
    1. actin
    2. troponin
    3. tropomyosin
    4. myoglobin
      5. Show Answer
      Answer: A
      Explanation:
      • N/A
  8. Muscel fatigue usually occur due to lack of
    1. ATP
    2. lactic acid
    3. Ca++
    4. Mg++
      5. Show Answer
      Answer: A
      Explanation:
      • N/A
  9. Which one is not due to metabolic disturbance
    1. muscle fatigue
    2. muscle cramp
    3. muscle atrophy
    4. muscle gypertrophy
      5. Show Answer
      Answer: C
      Explanation:
      • N/A
  10. Tetany disease is caused by
    1. Hypercalcemia
    2. Hypocalcemia
    3. Hypoglycemia
    4. hyperglycemia
      5. Show Answer
      Answer: B
      Explanation:
      • N/A

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