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NEETZoologyHuman Health and Diseases

Read the following Assertion and Reason and choose the correct option. Assertion: The human immune system's role in organ transplantation is to ensure compatibility between donor and recipient. Reason: The immune system must distinguish between foreign tissues and self-tissues to prevent rejection of transplanted organs.

Options

  1. ABoth Assertion and Reason are true and Reason is correct explanation of Assertion
  2. BBoth Assertion and Reason are true but Reason is not the correct explanation of Assertion
  3. CAssertion is true but the Reason is false
  4. DBoth Assertion and Reason are false

Correct answer

A. Both Assertion and Reason are true and Reason is correct explanation of Assertion

Step-by-step solution

After maturation the lymphocytes migrate to secondary lymphoid organs like spleen, lymph nodes, tonsils, Peyer’s patches of small intestine and appendix. The secondary lymphoid organs provide the sites for interaction of lymphocytes with the antigen, which then proliferate to become effector cell

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