Class 12 · Human Health and Diseases

Primary Lymphoid Organs and Lymphocyte — NEET Biology

🔥 Predicted for NEET 2027
📖 NCERT Source

Lymphoid organs: These are the organs where origin and/or maturation and proliferation of lymphocytes occur. The primary lymphoid organs are bone marrow and thymus where immature lymphocytes differentiate

NCERT Biology · Class 12 · Chapter 7 · Paragraph 45
Why This May Be Tested in NEET 2027

Adjacent to a frequently-asked paragraph in the same chapter.

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QuestionPredicted for NEET 2027

What are the organs where maturation of lymphocytes occurs called?

📖 Solution & NCERT Explanation
View solution & NCERT explanation

Correct answer: D D Primary lymphoid organs

Bone marrow and thymus are sites of lymphocyte maturation.

❓ Frequently Asked Questions
What does NCERT say about Lymphoid organs These are?
Lymphoid organs: These are the organs where origin and/or maturation and proliferation of lymphocytes occur. The primary lymphoid organs are bone marrow and thymus where immature lymphocytes differentiate
Has this concept appeared in NEET?
High probability for NEET 2027. Adjacent to a frequently-asked paragraph in the same chapter.
Which chapter is this from?
Human Health and Diseases, Class 12 NCERT Biology.

Through deep analysis of NEET and NTA, 176 of the 180 ReNEET 2026 (June 21) questions were already in the MedicNEET question bank before the exam.

176/180
of the ReNEET 2026 paper (all subjects) was already in the MedicNEET question bank

MedicNEET's Biology question bank is built from the same NCERT lines NTA picks repeatedly. Not random MCQs — questions crafted exactly like NTA crafts them.

176 of 180 ReNEET 2026 questions traced to MedicNEET17,000+ Biology questionsHindi + English
Free to start · Hindi + English · 43,000+ questions · NEET 2026 pattern
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