Identify the correct sequence of steps in each cycle of Polymerase Chain Reaction:

Denaturation → Annealing → Extension

Extension → Annealing → Denaturation

Annealing → Denaturation → Extension

Denaturation → Extension → Annealing

Biotechnology Principles And Processes — NEET Previous Year Questions

67 solved PYQs · 2016–2026 · Biology

Solved PYQs: 67
Years covered: 2016–2026
Avg / year: ~6
Subject: Biology

How many NEET questions come from Biotechnology Principles And Processes?

Biotechnology Principles And Processes has contributed 67 questions to National Eligibility cum Entrance Test (UG) papers between 2016 and 2026 — an average of about 6 questions a year. That count is measured from EByAi’s bank of 46,150 NEET questions, not estimated from a syllabus. Every one of the 67 questions carries a written, step-by-step solution, and each is tagged to Biotechnology Principles And Processes within Biology, so you can drill this chapter across every year at once instead of hunting through paper PDFs. Practising a chapter’s full PYQ history is the fastest way to learn the patterns examiners reuse.

Sample Biotechnology Principles And Processes questions from real NEET papers

These are 5 real questions from the bank — exactly as asked, with the answer one tap away. All 67 Biotechnology Principles And Processes questions (with full written solutions) are available in practice.

Question 1 · NEET 2026
Identify the correct sequence of steps in each cycle of Polymerase Chain Reaction:
1. (A) $Extension \to Annealing \to Denaturation$
2. (B) $Annealing \to Denaturation \to Extension$
3. (C) $Denaturation \to Extension \to Annealing$
4. (D) $Denaturation \to Annealing \to Extension$
Show answerAnswer
$Answer: (D) Denaturation \to Annealing \to Extension$
Question 2 · NEET 2026
Insertion of a foreign DNA at BamHI site in an E. coli cloning vector pBR322 results in the loss of antibiotic resistance towards:
1. (A) $Ampicillin and tetracycline$
2. (B) $Ampicillin$
3. (C) $Tetracycline$
4. (D) $Gentamicin$
Show answerAnswer
$Answer: (C) Tetracycline$
Question 3 · NEET 2026
Which of the following statements are not true regarding restriction endonucleases?

A. They are called molecular scissors.

B. These are the enzymes responsible for restricting the growth of bacteriophages in E. coli.

C. They cut the DNA only at the centre of the palindromic sites.

D. They remove nucleotides only from the ends of DNA fragments.

E. They recognise specific palindromic base-pair sequences.

Choose the answer from the options given below :
1. (A) $A and B only$
2. (B) $A and E only$
3. (C) $D and E only$
4. (D) $C and D only$
Show answerAnswer
$Answer: (D) C and D only$
Question 4 · NEET 2026
Which of the following statements are correct with respect to DNA separation, isolation and visualization?

A. The cutting of DNA is done by molecular scissors.

B. The DNA fragments separate according to their size in an agarose gel, upon electrophoresis.

C. The separated DNA fragments can be seen without staining when exposed to UV light.

D. The separated DNA fragments, when stained with ethidium bromide, can be seen in visible light.

Choose the correct answer from the options given below :
1. (A) $B and D only$
2. (B) $A and B only$
3. (C) $B and C only$
4. (D) $A and D only$
Show answerAnswer
$Answer: (B) A and B only$
Question 5 · NEET 2025
Silencing of specific mRNA is possible via RNAi because of
1. (A) $Complementary tRNA$
2. (B) $Non-complementary ssRNA$
3. (C) $Complementary dsRNA$
4. (D) $Inhibitory ssRNA$
Show answerAnswer
$Answer: (C) Complementary dsRNA$

Biotechnology Principles And Processes questions by year

Year	Questions	Share of chapter questions
2026	5
2025	7
2024	10
2023	4
2022	11
2021	7
2020	7
2019	2
2018	1
2017	5
2016	8

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FAQs

How many NEET questions have been asked from Biotechnology Principles And Processes?

EByAi's bank holds 67 real NEET questions from Biotechnology Principles And Processes, asked between 2016 and 2026 — about 6 per year on average. Every count is measured from actual papers, not estimated.

Is Biotechnology Principles And Processes important for NEET?

67 questions over 11 papers make Biotechnology Principles And Processes a steady-weightage chapter in NEET Biology. The year-wise table above shows exactly how often it appears.

Can I solve Biotechnology Principles And Processes PYQs online for free?

Yes. EByAi lets you solve NEET past-year questions in the browser with written solutions — free daily practice, no card needed.

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