Biotechnology: Principles and Processes – CBSE Class 12 Previous Year Questions (2020–2026)

All 16 CBSE Class 12 previous-year questions from Biotechnology: Principles and Processes (Biology), 2020–2026, taken from 8 papers. Practise them together in one test with the official marking and answer key, then review every answer.

▶ Practise all 16 questionsAll CBSE Class 12 chapters

Biotechnology: Principles and Processes questions by paper

Sample questions

• CBSE Class 12 Biology Board 2026 (Set 57/1/1)
  Pomato was produced by fusing protoplasts of 1 A Tomato and Potato Pomegranate and Tomato Pomegranate and Potato Pomegranate Potato and Tomato
• CBSE Class 12 Biology Board 2026 (Set 57/1/1)
  Match Column-I with Column-II and choose the correct option 1 Column-I Column-II a Biolistic gun Bacterial cell Chitinase ii Tumour inducing Ti iii Animal cell Cat iv…
• CBSE Class 12 Biology Board 2026 (Set 57/1/1)
  Which of the following statements about plasmids is incorrect 1 A Plasmids have the ability to replicate within the bacterial cell Their replication is controlled by…
• CBSE Class 12 Biology SQP 2026-27
  Assertion A Tissue culture is used when traditional breeding technique is insufficient to keep pace with the demand of crop improvement Reason Totipotency is the…

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 and its Applications 9
• Organisms and Populations 2
• Ecosystem 4
• Biodiversity and Conservation 2
• Environmental Issues 2