Biotechnology and its Applications – CBSE Class 12 Previous Year Questions (2020–2026)

All 9 CBSE Class 12 previous-year questions from Biotechnology and its Applications (Biology), 2020–2026, taken from 6 papers. Practise them together in one test with the official marking and answer key, then review every answer.

▶ Practise all 9 questionsAll CBSE Class 12 chapters

Biotechnology and its Applications questions by paper

Sample questions

• CBSE Class 12 Biology Board 2026 (Set 57/1/1)
  For Questions number 18 to 16 two statements are given one labelled as Assertion A and the other labelled as Reason Select the correct answer to these questions from…
• CBSE Class 12 Biology Board 2025 (Set 57/1/1)
  GEAC stands for A Genome Engineering Action Committee Ground Environment Action Committee Genetic and Environment Approval Committee Genetic Engineering Approval…
• CBSE Class 12 Biology Board 2025 (Set 57/1/1)
  RNA interference RNAi helps in making tobacco-plant resistant to a nematode Meloidegyne incognitia Choose the correct option that shows how RNAi is achieved A…
• CBSE Class 12 Biology SQP 2025-26
  Assertion A Rosie was the first transgenic cow to make more nutritionally balanced milk for consumption by human babies Reason The milk of Rosie cow contained human beta

Question text shown from the scanned paper; open the test to see each question exactly as printed.

More Biology chapters

• Sexual Reproduction in Flowering Plants 13
• Human Reproduction 9
• Reproductive Health 5
• Principles of Inheritance and Variation 12
• Molecular Basis of Inheritance 17
• Evolution 9
• Human Health and Disease 7
• Strategies for Enhancement in Food Production 3
• Microbes in Human Welfare 7
• Biotechnology: Principles and Processes 16
• Organisms and Populations 2
• Ecosystem 4
• Biodiversity and Conservation 2
• Environmental Issues 2