NEET 2016 · Class 12

Biotechnology: Principles and Processes

Stirred-tank bioreactors have been designed for

  1. (A)purification of product
  2. (B)addition of preservatives to the product
  3. (C)availability of oxygen throughout the process
  4. (D)ensuring anaerobic conditions in the culture vessel

The NCERT line that answers it

Verbatim line

The stirrer facilitates even mixing and oxygen availability throughout the bioreactor.

Chapter
Biotechnology: Principles and Processes
Section
9.3.5 Obtaining the Foreign Gene Product
Page
13
Words matched
11 of 11

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 'oxygen availability throughout the bioreactor', which directly matches option C's 'availability of oxygen throughout the process' and distinguishes it from the other options.

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 2016 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.