After maturation, in primary lymphoid organs, the lymphocytes migrate for interaction with antigens to secondary lymphoid organ(s…
Zoology ·Previously asked in NEET UG 2025
View the full solved paper: NEET UG 2025
Question
After maturation, in primary lymphoid organs, the lymphocytes migrate for interaction with antigens to secondary lymphoid organ(s)/tissue(s) like: A. thymus, B. bone marrow, C. spleen, D. lymph nodes, E. Peyer's patches.
Choose the correct answer from the options given below:
- A. B, C, D only
- B. A, B, C only
- C. E, A, B only
- D. C, D, E only (Correct answer)
Correct Answer
Option D — C, D, E only
Detailed Solution & Explanation
The correct answer is C, D, E only.
Key Points
- Primary lymphoid organs (bone marrow and thymus) are where lymphocytes mature.
- Secondary lymphoid organs, where matured lymphocytes interact with antigens, are the spleen, lymph nodes and Peyer's patches (plus tonsils and appendix).
Topics covered: NEET UG 2025 Zoology Human Health and Disease Lymphoid Organs