Class 12 · Biology · CBSE Board · 2016–2025

Biotechnology and its Applications — Class 12 Biology PYQs

69 questions from this chapter, asked in 9 Class 12 exams between 2016–2025 — every question paper set included, duplicates removed.

69questions
9Class 12 exams
2016–2025years covered
1 / 2 / 3 / 5mark values asked

Questions asked per year

202512 Qs202411 Qs20239 Qs20226 Qs20209 Qs201910 Qs20188 Qs20175 Qs20164 Qs

Practice questions first 10 of 69 — free

Q1MCQ20251 mark
AnswerLogic

Which one of the following is the first genetically engineered biopharmaceutical product approved for human use ?
[Max Marks: 1 | Set: 57/2/3]

(A)Insulin
(B)Interferon
(C)Growth hormone
(D)Hepatitis B vaccine
Q2MCQ20251 mark
AnswerLogic

Which is the first clinical gene therapy to be given for treating patients of a particular disease ?
[Max Marks: 1 | Sets: 57/1/3]

(A)Adenosine deaminase deficiency (ADA)
(B)Cancer
(C)AIDS
(D)Cystic fibrosis
Q3MCQ20251 mark
AnswerLogic

In gene therapy, functional genes are inserted into a person's cells to replace missing or defective genes. This technique is used to treat :
[Max Marks: 1 | Sets: 57/2/2]

(A)Cancer
(B)Genetic disorders
(C)Bacterial infections
(D)Viral infections
Q4MCQ20251 mark
AnswerLogic

At which stage of infection does HIV enter into the macrophages ?
[Max Marks: 1 | Sets: 57/1/2]

(A)Stage 1
(B)Stage 2
(C)Stage 3
(D)Stage 4
Q5MCQ20251 mark
AnswerLogic

What is the source of DNA polymerase used in PCR ?
[Max Marks: 1 | Sets: 57/2/1]

(A)E. coli
(B)Thermus aquaticus
(C)Bacillus thuringiensis
(D)Saccharomyces cerevisiae
Q6MCQ20251 mark
AnswerLogic

Which one of the following represents the correct sequence of the initials that are the abbreviations for the three types of tools in rDNA technology ?
[Max Marks: 1 | Sets: 57/1/1]

(A)PCR, Palindrome, REN
(B)REN, Vector, Competent host
(C)Probe, Vector, Palindrome
(D)Vector, PCR, DNA ligase
Q7MCQ20253 marks
AnswerLogic
(A)In how many countries have GM crops been grown ?
(B)What is the difference between Bt cotton and ordinary cotton plants ?
(C)What is the use of α-lactalbumin enriched milk ? [Max Marks: 3 | Set: 57/2/3]
Q8MCQ20253 marks
AnswerLogic
(A)What are the different steps involved in the process of gene therapy ?
(B)What is a transgenic animal ? Give an example. [Max Marks: 3 | Set: 57/2/2]
Q9MCQ20253 marks
AnswerLogic
(A)How does the introduction of a nematode specific gene into a tobacco plant prevent the infestation of that plant by the nematode pests ?
(B)What is GEAC ? Mention its functions. [Max Marks: 3 | Sets: 57/1/1]
Q10MCQ20253 marks
AnswerLogic
(A)What is the use of 'biolistic gun' in biotechnology ?
(B)State the role of Eli Lilly company in the commercial production of the first recombinant therapeutic product. [Max Marks: 3 | Sets: 57/1/2]

Why practise Biotechnology and its Applications PYQs?

Biotechnology and its Applications has appeared in 9 Class 12 Biology exams we track between 2016–2025, with questions worth 1, 2, 3, 5 marks. CBSE Board examiners consistently reuse concepts and question patterns from this topic — practising its previous year questions is the most reliable way to know exactly what to expect in your exam.

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Biotechnology and its Applications — Class 12 Biology PYQs (2016–2025) | Padhify