NEET UG 2022 · Zoology · Question 152
NEET 2022 Zoology, question 152
Question 152 of the NEET 2022 paper (code R1) is a Zoology question from Biotechnology and its Applications. Its idea, Limitations of Lymphocyte Therapy, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 1.
Updated 2026-10-08
Q152 · Zoology
In gene therapy of Adenosine Deaminase (ADA) deficiency, the patient requires periodic infusion of genetically engineered lymphocytes because :
- 1Genetically engineered lymphocytes are not immortal cells.Official answer
- 2Retroviral vector is introduced into these lymphocytes.
- 3Gene isolated from marrow cells producing ADA is introduced into cells at embryonic stages
- 4Lymphocytes from patient's blood are grown in culture, outside the body.
Official answer: option 1 · NTA final answer key
Same idea
The only question on Limitations of Lymphocyte Therapy
No other NEET paper from 2017–2026 tested this exact idea.
Limitations of Lymphocyte Therapy: every question and how it was framed
The chapter
Biotechnology and its Applications in ten years of NEET
24 questions from 2017–2026, asked in 9 of 10 papers, about 2.3 a paper. Gene Therapy alone had 8.