Read and download the CBSE Class 12 Biology Sample Paper 2020 Set 02 Solved, designed by expert teachers according to the latest 2025-26 curriculum and examination pattern issued by CBSE, NCERT, and KVS. These Class 12 Biology sample papers include detailed step-by-step solutions, helping students to practice and evaluate their performance against the most recent marking schemes.
Solved Sample Paper for Class 12 Biology PDF
Our Class 12 Biology model papers are important for understanding the weightage of different chapters and the difficulty level of expected questions. By solving these guess papers Class 12 students can identify weak areas and improve time management. We also suggest referring to our Class 12 Biology Question Papers of previous years to further strengthen your exam preparation.
Class 12 Biology Sample Paper with Solutions
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
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Free study material for Biology
How to download CBSE Class 12 Biology Sample Paper 2020 Set 02 Solved in PDF?
Students can easily download the CBSE Class 12 Biology Sample Paper 2020 Set 02 Solved from our website to prepare for their upcoming examinations. To score high marks, it is important for Class 12 students to understand the exaact pattern as per which teachers design the question papers. We strongly suggest that you practice these latest sample papers for Biology and solve different types of questions that are expected to come this year. You can downloadin PDF format so that you can practice offline. We also recommend that Class 12 students solve these papers actual exam conditions at home.
Why should you solve CBSE Class 12 Biology Sample Paper 2020 Set 02 Solved?
Practicing these model papers has several benefits for Class 12 students:
- New Question Bank: This set has fresh questions for Biology which are different from previous years.
- Exam Pattern Knowledge: Solving more sets will help you to understand the weightage of each chapter in Class 12 and also the type of questions asked.
- Identify Weak Areas: Comparing your score in each set to find out topics in Class 12 Biology for which you need hard work.
- Speed and Accuracy: Attempting MCQ questions and long-form problems for Class 12 Biology makes you faster and better and you will be able to finish your exam on time.
What should you do after solving CBSE Class 12 Biology Sample Paper 2020 Set 02 Solved?
- Check Your Work: Match your answers with the solutions given by our teachers in the Biology Sample Paper PDF.
- Learn from Mistakes: Class 12 students should focus on the questions which you solved incorrectly and understand the error.
- Revision: If you find a question difficult you shoul refer to NCERT book for Class 12 Biology to understand concepts and then try the question again.
- Continuous Practice: Solve multiple sets of Biology sample papers from studiestoday.com to build confidence before the CBSE exams.
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.