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Friday, 9 October

NEET UG 2022 · Zoology · Question 169

NEET 2022 Zoology, question 169

Question 169 of the NEET 2022 paper (code R1) is a Zoology question from Biotechnology: Principles and Processes. Its idea, Palindromic Sequences, was asked 3 times, in 2021 and 2022, across NEET 2017–2026. The NTA final answer key gives option 2.

Updated 2026-10-08

Q169 · Zoology

Given below are two statements :

Statement I :

Restriction endonucleases recognise specific sequence to cut DNA known as palindromic nucleotide sequence.

Statement II :

Restriction endonucleases cut the DNA strand a little away from the centre of the palindromic site.

In the light of the above statements, choose the most appropriate answer from the options given below :

  1. 1Statement I is incorrect but Statement II is correct
  2. 2Both Statement I and Statement II are correctOfficial answer
  3. 3Both Statement I and Statement II are incorrect
  4. 4Statement I is correct but Statement II is incorrect

Official answer: option 2 · NTA final answer key

Same idea

Palindromic Sequences, in other papers

NEET asked this idea 3 times, in 2021 and 2022. The other 2 questions below.

  • 2022 Q141In the following palindromic base sequences of DNA, which one can be cut easily by particular restriction enzyme ?One-line MCQ · Easy
  • 2021 Q159A specific recognition sequence identified by endonucleases to make cuts at specific positions within the DNA is :One-line MCQ · Easy

Palindromic Sequences: 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. Restriction Enzymes alone had 22.

Biotechnology: Principles and Processes: questions per paper

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