Class 12 Biology Online Mock Tests 2026-27

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Test yourself with these Class 12 Biology mock tests, built for CBSE 2026-27. They're free, and you get your score the moment you finish, which makes it easy to track your Biology progress.

Class 12 Biology Online Practice, Chapter-wise

Each test below covers one Biology chapter from the Class 12 book. Our teachers built these to match the CBSE 2026-27 marking scheme closely. Click a chapter to start - there's no login, and you can try a test as many times as you want.

Chapter 01 Sexual Reproduction in Flowering Plants
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Chapter 02 Human Reproduction
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Chapter 03 Reproductive Health
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Chapter 04 Principles of Inheritance and Variation
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Chapter 05 Molecular Basis of Inheritance
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Chapter 06 Evolution
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Chapter 07 Human Health and Disease
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Chapter 08 Microbes in Human Welfare
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Chapter 09 Biotechnology Principles and Processes
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Chapter 10 Biotechnology and its Applications
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Chapter 11 Organisms and Populations
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Chapter 12 Ecosystem
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Chapter 13 Biodiversity and Conservation
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~ NCERT Class 12 Biology (Old Chapters)
Chapter 16 Environmental Issues Mock Test Set 01
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Chapter 1 Reproduction in Organism Mock Test Set 01
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Chapter 9 Strategies for Enhancement in Food Production Mock Test Set 01
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Free study material for Biology

CBSE Class 12 Biology Online Mock Test

The Value of Biology Mock Tests for Class 12

Taking these tests puts your Biology knowledge to the test, the way a real exam would. It sharpens your speed and helps ideas stick better. Doing this often makes the CBSE Class 12 paper feel familiar, eases exam nerves, and shows you exactly which Biology topics need more revision.

The Design Behind These Mock Tests:

- Timed attempts: use the timer on each Class 12 Biology test to build real exam-condition practice at home.
- Instant review: see your score and the correct answers right after you submit.
- Mix with past papers: pair these Biology tests with previous year Class 12 question papers to notice how question styles repeat.
- No login needed: jump straight into any test without creating an account.

Score Higher in Class 12 Biology - Quick Tips

Study the Biology chapter properly before attempting its test. Take your time reading each question and all four options, since Class 12 Biology papers are known for close, confusing choices. Use the elimination method to narrow things down. Before submitting, review your answers carefully - most marks lost in Biology MCQs come from a hurried final check, not a lack of knowledge. If you miss a question, revise that concept before your next try.

FAQs

How do I access the 2026-27 Class 12 Biology Online Mock Tests?

You can start the latest Biology mock tests for Class 12 by selecting your chapter from the links above. These tests are free, dont need login and are optimized for the 2026-27 academic session.

Are the Class 12 online tests based on the new CBSE MCQ pattern?

Yes, our Biology online tests are strictly as per the latest CBSE pattern with 20% MCQ weightage and main focus on competency-based and case-study questions.

Can I see my score and answers instantly after the Biology test?

After submitting your Class 12 Biology test, you can see score report and correct/incorrect answers.

Is there a limit to how many times I can attempt these Class 12 mock tests?

There are no limits. You can re-attempt any Biology online test as many times for free, master concepts, improve your speed and accuracy.

Do these Class 12 Biology tests work on smartphones?

Yes, the StudiesToday online test platform is mobile-first. Class 12 Biology students can take these tests on any smartphone.

How do online mock tests help in Class 12 Biology exam preparation?

Online tests help Class 12 students build confidence and time management. By solving above tests MCQs you can apply theoretical knowledge which is important for 2026-27 exams.