NEET
Zoology

Polymerase Chain Reaction Pcr

Low Priority
Consistency: 25%
Weightage: 5 / 20 Yrs

High-Yield Trend

1
2025
2
2021
1
2020
1
2018
1
2012

Questions
6 MCQs

01
PYQ 2012
easy
zoology ID: neet-201

Which one is a true statement regarding DNA polymerase used in PCR?

1. It is used to ligate introduces DNA in recipient cells
2. It serves as a selectable marker
3. It is isolated from a virus
4. It remains active at high temperatures
1
(1)
2
(2)
3
(3)
4
(4)
02
PYQ 2018
easy
zoology ID: neet-201
The correct order of steps in Polymerase Chain Reaction (PCR) is:

1. Extension, Denaturation, Annealing
2. Annealing, Extension, Denaturation
3. Denaturation, Extension, Annealing
4. Denaturation, Annealing, Extension

1
(1)
2
(2)
3
(3)
4
(4)
03
PYQ 2020
easy
zoology ID: neet-202

Match the following techniques or instruments with their usage:

(a) Bioreactor (i) Separation of DNA fragments
(b) Electrophoresis (ii) Production of large
quantities of products
(c) PCR (iii) Detection of pathogen, based on
antigen-antibody reaction
(d) ELISA (iv) Amplification of nucleic acids

Select the correct option from the following:

1. (a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)
2. (a)-(ii), (b)-(i), (c)-(iv), (d)-(iii)
3. (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
4. (a)-(ii), (b)-(i), (c)-(iii), (d)-(iv)
1
(1)
2
(2)
3
(3)
4
(4)
04
PYQ 2021
easy
zoology ID: neet-202

Which of the following is a correct sequence of steps in a PCR (Polymerase Chain Reaction)?

1. Extension, Denaturation, Annealing

2. Annealing, Denaturation, Extension

3. Denaturation, Annealing, Extension

4. Denaturation, Extension, Annealing

1
(1)
2
(2)
3
(3)
4
(4)
05
PYQ 2021
easy
zoology ID: neet-202

During the process of gene amplification using PCR, if a very high temperature is not maintained in the beginning, then which of the following PCR will be affected first?

1. Denaturation 2. Ligation
3. Annealing 4. Extension
1
(1)
2
(2)
3
(3)
4
(4)
06
PYQ 2025
easy
zoology ID: neet-202
Polymerase chain reaction (PCR) amplifies DNA following the equation.
1. 2.
3. 4.
1
(1)
2
(2)
3
(3)
4
(4)

Preparing Polymerase Chain Reaction Pcr for NEET

Polymerase Chain Reaction Pcr is a specific sub-topic that frequently appears in the NEET examination. Understanding the underlying principles and practicing targeted questions is key to mastering this concept.

The questions compiled above are previous year questions (PYQs) directly related to Polymerase Chain Reaction Pcr. Practicing these specific questions helps you understand the difficulty level and the examiner's approach to this topic.

Topic Frequently Asked Questions

Is Polymerase Chain Reaction Pcr a high-weightage topic?

You can refer to the priority and consistency badges at the top of this page. High priority topics should be thoroughly revised multiple times before the exam.

Should I memorize the solutions?

No, it is highly recommended to understand the core concept and methodology behind each solution rather than memorizing them, as exact questions are rarely repeated, but the concepts definitely are.