CBSE Class 12 Biology Compartment Question Paper Solved 2020 Set A

Access and download CBSE Class 12 Biology Compartment Question Paper Solved 2020 Set A, carefully designed as per the latest 2025-26 examination guidelines issued by CBSE, NCERT, and KVS. These Class 12 Biology previous year question papers include detailed solutions, helping students to assess their performance and identify and improve key areas before the final exams.

Solved Biology Question Papers for Class 12

Practicing these Class 12 Biology question papers is the best way to understand the actual exam pattern and marking scheme. By solving these papers under timed conditions, Class 12 students can improve their speed and accuracy. Download the full CBSE Class 12 Biology Compartment Question Paper Solved 2020 Set A to begin your self-assessment today.

Biology Class 12 Question Paper PDF with Solutions

At which trophic level or levels does the species VIII function ?
 
(A) 2nd and 3rd consumer
 
(B) 1st consumer
 
(C) Producer
 
(D) 3rd and 4th consumer
 
2. Some cyanobacteria in aquatic and terrestrial environment that enrich the soil by fixing atmospheric nitrogen are 
 
(A) Rhizobium and Azotobacter
 
(B) Azospirillum and Glomus
 
(C) Anabaena and Nostoc
 
(D) Azospirillum and Azotobacter
OR
Colostrum provides passive immunity to human infants as it contains antibody 
 
(A) IgA
 
(B) IgM
 
(C) IgE
 
(D) IgG
 
3. The specific site for fertilisation in human female is 
 
(A) Infundibulum
 
(B) Uterus
 
(C) Ampulla
 
(D) Ampullary isthmic junction
OR
The hormone that regulates the synthesis and secretion of androgens in human males is
 
(A) GH
 
(B) FSH
 
(C) LH
 
(D) Prolactin
 
4. In biotechnology experiments, ‘molecular scissors’ used are 
 
(A) Plasmid
 
(B) Restriction enzymes
 
(C) Vectors
 
(D) Sigma factor
 
Please click on below link to download CBSE Class 12 Biology Compartment Question Paper Solved 2020 Set A.

CBSE Class 12 Biology Compartment Question Paper Solved 2020 Set A

We hope you liked the above provided CBSE Class 12 Biology Compartment Question Paper Solved 2020 Set A. To get an understanding of the type of questions which were asked in previous year exams, it is important for Class 12 students to refer to CBSE Class 12 Biology Compartment Question Paper Solved 2020 Set A that we have provided above. Students can download all the Question Papers for Class 12 Biology which were issued in the exams so that you can practise them and solve all types of questions which have been asked till now. By doing all CBSE Class 12 Biology Compartment Question Paper Solved 2020 Set A PYP (previous year papers) you will understand the regular questions and MCQ questions for Class 12 Biology which are always asked and learn them so that you can get full marks in those questions. You can download CBSE Class 12 Biology Previous Year Question Papers and Class 12 Biology Sample Papers in PDF. You should attempt all the last year question paper for Class 12 and Class 12 Biology MCQ Test in examination conditions at home and then compare their answers with the solutions provided by our teachers.

Importance of solving CBSE Class 12 Biology Compartment Question Paper Solved 2020 Set A

By regularly practicing CBSE Class 12 Biology Compartment Question Paper Solved 2020 Set A students will be able to improve marks in Class 12 Biology exams. These question papers provide a very clear idea about the exam and paper structure, marking scheme, and frequently asked questions by teachers. By solving CBSE Class 12 Biology Compartment Question Paper Solved 2020 Set A, students can improve their time management skills and also learn to answer Biology questions correctly within the Class 12 exam duration. Apart from learning concepts and solving the CBSE Class 12 Biology Question Paper will help you to boost your practical experience and also build confidence to face the actual examination.

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