Download CBSE Class 12 Biology Sample Papers
Review targeted exam resources with the CBSE Class 12 Biology Sample Paper 2020 Set 02 Solved. Built according to official CBSE standards for the 2026-27 academic year, these downloadable Class 12 Biology sample papers support effective revision and performance tracking.
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View or download the dedicated CBSE Class 12 Biology Sample Paper 2020 Set 02 Solved resource below. Engaging with these sample papers under timed conditions ensures continuous academic progress and mastery of the 2026-27 exam format.
CBSE Class 12 Biology Sample Paper 2020 Solved Set B. CBSE issues sample papers every year for students for Class 12 board exams. Students should solve the CBSE issued sample papers to understand the pattern of the question paper which will come in class 12 board exams this year. The sample papers have been provided with marking scheme. It’s always recommended to practice as many CBSE sample papers as possible before the board examinations. Sample papers should be always practiced in examination condition at home or school and the student should show the answers to teachers for checking or compare with the answers provided. Students can download the sample papers in pdf format free and score better marks in examinations. Refer to other links too for latest sample papers.
SECTION A
1 The hilly areas in kerala, Karnatka and Tamil Nadu are transformed into blue stretches due to mass flowering of a plant. Name the plant.
2 The gene I that controls ABO blood grouping in human beings has three alleles IA , IBand .How many genotypes are likely to be present in human population?
Also, how many phenotypes are possibly present?
3 In case of infertile couple, the male partner can inseminate normally but the mobility of sperms is below 40 percent. Judge which kind of ART is suited in this situation to form an embryo in the laboratory, without involving a donor?
4 Why hnRNA is required to undergo splicing?
5 “Sweet potatoes tubers and potato tubers are the result of convergent evolution”. Justify the statement.
SECTION B
6 (a) If one can induce parthenocarpy through application of growth substances, which fruits would you select to induce parthenocarpy and why?
(b)What is the difference between parthenocarpic fruits and false fruits?
7 All reproductive tract infections (RTIs) are STDs, but all STD are not RTIs. Comment.
OR
Why tender coconut is considered a healthy source of nutrition?
How are pea seeds different from castor seeds with respect to endosperm?
8 (a)State the function of mast cells in allergy response?
(b)Name any two techniques that serve the purpose of early diagnosis of some bacterial/viral human diseases.
9 Mention the target cells of luteinsing hormone in human males and females. Explain the effects and changes which the hormone induces in each case.
Please click the link below to download CBSE Class 12 Biology Sample Paper 2020 Solved Set B
Free study material for Biology
Exam Preparation Sample Paper for Class 12 Biology CBSE Class 12 Biology Sample Paper 2020 Set 02 Solved
Access Sample Papers for Class 12 Biology
Access structured sample papers for Class 12 Biology. Solving the CBSE Class 12 Biology Sample Paper 2020 Set 02 Solved provided above helps students understand official exam blueprints and tackle anticipated question formats with confidence.
Key Advantages of Solving CBSE Class 12 Biology Sample Paper 2020 Set 02 Solved
- Exam Blueprint: Understand mark allocations and structural guidelines relevant to Class 12 evaluations.
- Targeted Improvement: Identify weak areas in Class 12 Biology requiring focused revision.
- Pacing & Precision: Practice mixed question formats to build execution speed and ensure timely paper completion.
Post-Practice Strategy for Class 12 Biology
- Verify Answers: Compare your responses against professional teacher solutions provided in the sample paper keys.
- Error Analysis: Class 12 learners must review incorrect answers carefully to understand underlying mistakes.
- Concept Reinforcement: Consult the official NCERT book for Class 12 Biology when stuck before re-attempting problems.
FAQs
You can download the complete PDF for CBSE Class 12 Biology Sample Paper 2020 Set 02 Solved for free from StudiesToday.com. Our resources for Class 12 Biology are updated for the latest academic session and follow the official exam pattern.
Yes, CBSE Class 12 Biology Sample Paper 2020 Set 02 Solved comes with detailed, teacher-verified solutions. We have provided step-by-step answers for Biology to help students of Class 12 understand correct methodology and marking scheme.
Practicing this Biology paper helps in time management and identifying important topics. For Class 12, solving mock papers is the best way to gain confidence and reduce exam-day anxiety.
Yes, all our study materials for Class 12 Biology are provided in a mobile-friendly PDF format. You can easily download CBSE Class 12 Biology Sample Paper 2020 Set 02 Solved on your mobile device.