Previous Year Question Papers for Class 12 Biology
Access comprehensive previous year question papers for Class 12 Biology using the CBSE Class 12 Biology Question Paper 2019 Set 01. Designed to align with the 2026-27 CBSE academic guidelines, these solved papers help students assess their exam readiness and understand official marking schemes.
Practice Class 12 Biology Exam Papers
Access the complete question paper PDF for Class 12 Biology below. Regular practice with these targeted exam papers builds familiarity with standard question patterns and helps secure higher marks in final evaluations.
CBSE Class 12 Biology Question Paper 2019 Set A. Students can download the last year board exams question papers using the link below. Free download of examination question papers with solutions. Last 10 year question papers should be practised to get better marks in examinations.
1. What do ‘X’ and ‘Y’ represent in the transcription unit of the DNA molecule shown ?
2. How are the members of genus Glomus useful to organic farmers ?
3. The diploid number of chromosomes in an angiospermic plant is 16. What will be the number of chromosomes in its endosperm and antipodal cells ?
OR
State the reason why pollen grains lose their viability when the tapetum in the anther is malfunctioning.
4. Biotechnological techniques can help to diagnose the pathogen much before the symptoms of the disease appear in the patient. Suggest any two such techniques.
OR
Mention the form in which inactive protein toxin is produced by Bacillus thuringiensis. How does it get activated in the pest body to kill it ?
5. Name the disorder in humans with the following karyotype :
(a) 22 pairs of autosomes + XO
(b) 22 pairs of autosomes + 21st chromosome + XY
Please click the link below to download pdf file of CBSE Class 12 Biology Question Paper 2019 Set A.
Free study material for Biology
Past Exam Papers & Solutions for Class 12 Biology
Understanding Exam Patterns with CBSE Class 12 Biology Question Paper 2019 Set 01
Access structured past examination sets for Class 12 Biology. Solving the CBSE Class 12 Biology Question Paper 2019 Set 01 provided above helps students understand actual exam difficulty levels, question formats, and topic distributions for both descriptive and objective sections.
Why Practice Class 12 Biology Question Papers?
Practicing past question sets under timed home conditions helps refine pacing and time management skills, ensuring you complete your Biology examination comfortably within the official duration.
Additional Study Resources for Class 12 Biology
Download digital copies of these papers for convenient offline revision anywhere. Cross-check your completed steps against our expert solution guides to ensure complete accuracy.
FAQs
The CBSE Class 12 Biology Question Paper 2019 Set 01 is available for download on StudiesToday.com. It includes complete set with all sections so that Class 12 students can practice with the exact same paper that came in the CBSE exams.
Yes, the solutions for CBSE Class 12 Biology Question Paper 2019 Set 01 are prepared by subject matter experts as per official marking scheme. Class 12 students will understand the structure of answers and 'step-marks' methodology Biology.
Solving previous year papers like CBSE Class 12 Biology Question Paper 2019 Set 01 is important to understand repeat themes and question difficulty levels of Biology. It helps Class 12 students to test their time management skills too.
Yes, where applicable, CBSE Class 12 Biology Question Paper 2019 Set 01 is available in both English and Hindi mediums. All students from Class 12 can access Biology study material in their preferred language.
No, all previous year question papers on StudiesToday, including CBSE Class 12 Biology Question Paper 2019 Set 01, are provided free of charge in mobile-friendly PDF.