CSS Zoology Questions & Answers

Q.  In which of the following respects the kidney of vertebrates resembles with the contractile vacuole of Amoeba:

a. In expelling out glucose
b. In expelling out salts
c. In expelling out urea and uric acid
d. In expelling out excess of water from the body


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  The 'A' band in myofibril occupies:
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MCQs:  Actin has a strong affinity to myosin and readily combines with it to form actomyosin but this is inhibited by:
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MCQs:  Troponin subunit Tpc inhibits actomyosin formation by:
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MCQs:  Which of these structures over myosin help in contraction of the muscle fibre:
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MCQs:  During muscle contraction:
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MCQs:  Cross bridges are found on:
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MCQs:  Dragging of actin filaments towards 'M' line is termed as:
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MCQs:  Which of these are released before muscle contraction from sarcoplasmic reticulum:
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MCQs:  During relaxation the calcium ions are:
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MCQs:  Which of these processes mark the beginning of muscular contraction:
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MCQs:  The contraction of of a muscle is caused by:
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MCQs:  Sliding filament theory was proposed by:
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MCQs:  Functional unit of contractile system in a striped muscle is:
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MCQs:  Muscles are fatigued by accumulation of:
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MCQs:  Chief source of energy for muscle contraction is:
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MCQs:  Contraction and relaxation phase of a muscle is called:
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MCQs:  M' curves on kymogram are seen during:
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MCQs:  If a contracting muscle is given a second stimulus during its contraction phase then it is seen to produce 'M' curve on kymogram. This phenomenon is termed:
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MCQs:  In which of these phenomenon we get few initial sequentially increasing curves on kymogram if we stimulate a muscle periodically while permitting its normal relaxation:
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MCQs:  In which of these conditions the muscle offers no contraction:
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