Assertion   :       Thrombin is necessary to initiate blood coagulation.

Reason      :       Thrombin helps in the formation of thromboplastins.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion    :       Muscle fibres are said to be contractile in nature.

 Reason      :       Cells of muscle tissues can shorten forcefully and again return to the relaxed state.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion   :       Blood can be coagulated by adding oxalate (Sodium or Potassium Oxalate) to it.

Reason      :       Oxalate depresses the action of anticoagulant present in the blood.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion   :       Thigh muscles can get tired but not the muscles of ventricle of heart.

Reason      :       Muscles of thigh are voluntary whereas that of heart are involuntary muscles.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion   :       Smooth muscle fibres do not appear to be striated.

Reason      :       This is due to regular alternate arrangement of thick and thin filaments is smooth muscle fibre.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion   :       Non-striated muscles are said to be voluntary in nature.

Reason      :       Non-striated muscles can be moved according to will.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion   :       Intercalated discs are important regions of cardiac muscle cells.

Reason      :       Intercalated discs function as boosters for muscle contraction waves.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion   :       Presence of connective tissue inside the brain is essential for conduction of nerve impulse.

Reason      :       Connective tissue hold together the nerve cells of brain.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion   :       Neurons are said to possess the property of excitability.

Reason      :       Neurons can get excited by a given stimulus.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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Assertion   :       Non-myelinated nerve fibres do not possess nodes of Ranvier.

Reason      :       This is due to the absence of nissl’s bodies in node of Ranvier.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
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