Assertion   :       Histamine is related with allergic and inflammatory reactions.

Reason      :       Histamine is a vasodilator.

  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             :       WBCs accumulate at site of wounds by diapedesis.

Reason                :       It is squeezing of leucocytes from endothelium.

  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   :       Mast cells in the human body release excessive amounts of inflammatory chemicals which cause allergic reactions.

Reason      :       Allergens in the environment on reaching human body stimulate mast cells in certain individuals.

  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             :       Specialization of cells is advantageous for the organism.

Reason                :       It increase the operational efficiency of an organism.

  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   :     Cartilage (protein matrix) and bone (calcium matrix) are rigid connective tissue.

Reason      :     Blood is connective tissue in which plasma is the matrix.

  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   :       Bones possess longitudinal canals called lacunae.

Reason      :       Lacunae carry blood vessels & nerves to the bones.

  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   :       Surface of skin is impervious to water.

Reason      :       Surface of skin is covered by stratified cuboidal epithelium.

  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   :       Mast cells help in body defence.

Reason      :       Mast cells phagocytose & destroy microbes.

  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   :    Pseudostratified ciliated columnar epithelium is present in the inner lining of trachea.

Reason      :    Ciliary movements propel the mucus & foreign particles towards the larynx.

  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   :       Columnar epithelium lining the intestinal mucosa appears to have a brush like appearance.

Reason      :       A large number of microvilli are present on brush bordered columnar epithelium.

  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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