Molecular Basis of Inheritance – CBSE Class 12 Previous Year Questions (2020–2026)
All 17 CBSE Class 12 previous-year questions from Molecular Basis of Inheritance (Biology), 2020–2026, taken from 7 papers. Practise them together in one test with the official marking and answer key, then review every answer.
▶ Practise all 17 questionsAll CBSE Class 12 chapters
Molecular Basis of Inheritance questions by paper
Sample questions
- CBSE Class 12 Biology SQP 2026-27
The initiation step during the process of transcription in bacteria is shown below Identify A and by selecting the option 3 5 5 INDY A A A-RNA polymerase B-Promoter… - CBSE Class 12 Biology SQP 2026-27
Given below is the illustration of the different steps of experiments conducted by and Avery to find the chemical nature of the transforming principle as DNA Select the… - CBSE Class 12 Biology SQP 2026-27
A scientist was culturing in a medium initially then he shifted to a medium The DNA was extracted from after 60 minutes of transfer to Medium and performed density… - CBSE Class 12 Biology SQP 2026-27
A stretch of an euchromatin has 200 nucleosomes how many base pairs will be there in the stretch and what would be the length of the typical euchromatin A 20 000 and 13…
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
- Evolution 9
- Human Health and Disease 7
- Strategies for Enhancement in Food Production 3
- Microbes in Human Welfare 7
- Biotechnology: Principles and Processes 16
- Biotechnology and its Applications 9
- Organisms and Populations 2
- Ecosystem 4
- Biodiversity and Conservation 2
- Environmental Issues 2