CBSE Students who are preparing for upcoming 12th biology exam must practice this class 12 biology solved PYQ 2026. This will be very helpful for students in their exam preparation. Students can understand the exam pattern, question difficulty and also can do self analysis with the help of this PYQ.
We have also given solutions of each question so that student can cross check their answer. Practising Class 12 Biology Previous Year Question papers 2026 before exam can boost confidence in students and students can score better marks in exam. Different set of PYQ has given in this post and CBSE experts have prepared solutions of this PYQ.
Class 12 Biology PYQ 2026 SET 1 Question
Class 12 Biology PYQ 2026 SET 1 Solutions
Class 12 Biology PYQ 2026 SET 2 Question
Class 12 Biology PYQ 2026 SET 2 Solutions
Class 12 Biology PYQ 2026 SET 1 Question
Class 12 Biology PYQ 2026 SET 1 Solutions
Class 12 Biology 2026 SET 2 PYQ
Class 12 Biology 2026 SET 2 Solutions
Also Check:
Class 12 Biology PYQ 2019
Class 12 Biology PYQ 2025
CBSE exam is usually held between feb and April every year. And for many students, this exam decides their career specially who want to pursue a career in biology or biotechnology. Practising only chapter is not enough for scoring good marks in exam. Solving Class 12 Biology PYQs is also important.
We hope students found this class 12 biology solved PYQ 2026 helpful for them. Keep learning if you have any questions you can ask in comment section. Also you can also help your friend by sharing this post to them.
Important Question of Class 12 Biology PYQ 2026
Question :
(a) Do all pollen grains remain viable for the same length of time? Support your answer with two suitable examples.
(b) How are pollen grains stored in pollen banks?
Solution :
(a)
- No.
- In cereals or rice or wheat, pollen grains loose viability within 30 minutes of their release.
- In some members of Rosaceae or Leguminosae or Solanaceae – they maintain viability for months.
- Or any other correct example.
(b)
They are stored using Cryo-preservation techniques / In liquid nitrogen at –196°C.
Question :
(a) What is the role of LAB (Lactic Acid Bacteria) in preparation of curd?
(b) Mention two health benefits of consuming curd.
Solution :
(a)
LAB (Lactic acid bacteria) produce acids that coagulate and partially digest the milk proteins and converting milk into curd.
(b)
- Increase the content of vitamin B12 in curd / improve nutritional quality of curd by increasing vitamin B12 content.
- LAB check the disease causing microbes in our stomach.