NEET 2023 · Class 12

Biotechnology: Principles and Processes

Ligation of foreign DNA at which of the following site will result in loss of tetracyclin resistance of pBR322 : [NEET 2023 mpr]

  1. (A)Pst I
  2. (B)Pvu I
  3. (C)EcoR I
  4. (D)BamH I

The NCERT line that answers it

Verbatim line

For example, you can ligate a foreign DNA at the BamH I site of tetracycline resistance gene in the vector pBR322.

Chapter
Biotechnology: Principles and Processes
Section
9.2 Tools of Recombinant DNA Technology
Page
8
Words matched
51 of 51

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The span explicitly states that ligating foreign DNA at the BamH I site of the tetracycline resistance gene in pBR322 will result in loss of tetracycline resistance, which directly answers the MCQ.

We did this for 1,565 questions.

Every one traced to the exact sentence in NCERT that answers it, including 90% of the 2026 paper. Sit a mock on the real NEET 2027 computer interface and every mark you drop comes back with its line attached.

Question text is reproduced from the published NEET 2023 paper for study and commentary. NCERT text is quoted, not redistributed; textbooks remain at ncert.nic.in. Our mapping method, including its measured error rates, is published at /methodology.