NEET UG 2026 · Zoology · Question 165
NEET 2026 Zoology, question 165
Question 165 of the NEET 2026 paper (re-exam) is a Zoology question from Human Health and Disease. Its idea, Primary and Secondary Lymphoid Organs, was asked 3 times, in 2024, 2025 and 2026, across NEET 2017–2026. The NTA final answer key gives option 2.
Updated 2026-10-08
Q165 · Zoology
Which of the following are secondary lymphoid organs ?
(a) Bone marrow
(b) Tonsils
(c) Spleen
(d) Thymus
Choose the correct answer from the options given below:
- 1(a) and (b) only
- 2(b) and (c) onlyOfficial answer
- 3(b) and (d) only
- 4(a) and (d) only
Official answer: option 2 · NTA final answer key
Same idea
Primary and Secondary Lymphoid Organs, in other papers
NEET asked this idea 3 times, in 2024, 2025 and 2026. The other 2 questions below.
- 2025 Q156After maturation, in primary lymphoid organs, the lymphocytes migrate for interaction with antigens to secondary lymphoid organ(s) /…Other · Medium
- 2024 Q200Given below are two statements: Statement I: Bone marrow is the main lymphoid organ where all blood cells including lymphocytes are…Two statements · Medium
Primary and Secondary Lymphoid Organs: every question and how it was framed
The chapter
Human Health and Disease in ten years of NEET
33 questions from 2017–2026, asked in 10 of 10 papers, about 3.2 a paper. Immunity and Lymphoid Organs alone had 17.