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Male frogs can be distinguished from female frogs due to the presence of: A. Bulging eyes B. Vocal sacs C. Webbed digits in feet D. Copulatory pad on first digit of fore limbs E. Olive green-coloured skin with dark irregular spots Choose the correct answer from the options given below
Choose the correct statements regarding muscle contraction: A. A motor neuron carries a signal sent by the Central Nervous System (CNS) to the sarcolemma of the muscle fibre. B. The neural signal generates an action potential which causes the release of Ca⁺⁺ into sarcoplasm. C. Increase in Ca⁺⁺ inactivates the actin for breaking cross bridges. D. Actin binds to the myosin head to form a cross bridge. E. Shortening of sarcomere takes place, by pulling actin filaments towards the centre of 'A' band. Choose the correct answer from the options given below :
Which of the following statements are correct with reference to human endoskeleton? A. Human skull is monocondylic. B. The joint between any two adjoining vertebrae is a cartilaginous joint. C. In human beings, the number of cervical vertebrae is seven. D. All ribs except the last 2 pairs are bicephalic. E. The occipital bone of skull is articulated with atlas vertebra. Choose the correct answer from the options given below:
Match List I with List II related to muscular/skeletal system: Choose the correct answer from the options given below:
Match List-I with List-II: Choose the correct answer from the options given below:
Calcium is important in skeletal muscle contraction because it:
The pivot joint between atlas and axis is a type of
Which of the following is not a function of the skeletal system?
Which of the following joints would allow no movement?
The H-zone in skeletal muscle fibre is due to
Select the correct statement with respect to locomotion in humans.
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The characteristics and an example of a synovial joint in humans is
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The type of muscles present in our:
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Three of the following pairs of the human skeletal parts are correctly matched with their respective inclusive skeletal category and one pair is not matched. Identify the non-matching pair.
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The contractile protein of skeletal muscle involving ATPase activity is:
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