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Friday, 9 October

NEET UG 2020 · Zoology · Question 27

NEET 2020 Zoology, question 27

Question 27 of the NEET 2020 paper (code E1) is a Zoology question from Biotechnology: Principles and Processes. Its idea, Ti Plasmid and T-DNA, was asked twice, in 2020 and 2024, across NEET 2017–2026. The NTA final answer key gives option 2.

Updated 2026-10-08

Q27 · Zoology

Match the organism with its use in biotechnology.

(a) Bacillus thuringiensis(i) Cloning vector
(b) Thermus aquaticus(ii) Construction of first rDNA molecule
(c) Agrobacterium tumefaciens(iii) DNA polymerase
(d) Salmonella typhimurium(iv) Cry proteins

Select the correct option from the following :

  1. 1(a)-(ii), (b)-(iv), (c)-(iii), (d)-(i)
  2. 2(a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)Official answer
  3. 3(a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)
  4. 4(a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)

Official answer: option 2 · NTA final answer key

Same idea

Ti Plasmid and T-DNA, in other papers

NEET asked this idea twice, in 2020 and 2024. The other question below.

  • 2024 Q180The 'Ti plasmid' of Agrobacterium tumefaciens stands for:One-line MCQ · Easy

Ti Plasmid and T-DNA: every question and how it was framed

The chapter

Biotechnology: Principles and Processes in ten years of NEET

46 questions from 2017–2026, asked in 10 of 10 papers, about 4.4 a paper. Cloning Vectors alone had 18.

Biotechnology: Principles and Processes: questions per paper

0365’171’183’196’206’215’225’235’246’254’26