Practicing Success

Target Exam

CUET

Subject

Biology

Chapter

Human Health and Disease

Question:
Assertion: Lymph nodes serve to trap the micro-organisms or other antigens.
Reason : Antigens trapped in the lymph nodes are responsible for the activation of lymphocytes present there and cause the immune response .
Options:
Both assertion and reason are true and reason is the correct explanation of assertion.
Assertion is true but reason is false.
Both assertion and reason are true and but reason is not the correct explanation of assertion.
Both assertion and reason are false.
Correct Answer:
Both assertion and reason are true and reason is the correct explanation of assertion.
Explanation:
The lymph nodes are small solid structures located at different points along the lymphatic system. Lymph nodes serve to trap the micro-organisms or other antigens, which happen to get into the lymph and tissue fluid. Antigens trapped in the lymph nodes are responsible for the activation of lymphocytes present there and cause the immune response.