Sample Question Papers for Class 12 Biology
Access comprehensive sample question papers for Class 12 Biology using the CBSE Class 12 Biology Sample Paper 2024 Solved. Designed to align with the 2026-27 CBSE academic guidelines, these model papers help students assess their exam readiness and understand current marking schemes.
Practice Class 12 Biology Exam Papers
Access the complete sample paper PDF for Class 12 Biology below. Regular practice with these targeted mock exams builds familiarity with expected question patterns and chapter weightage to help secure higher marks.
Section - A
Question
1 Remnants of nucellus are persistent during seed development in:
a) pea
b) groundnut
c) wheat
d) black pepper
Answer : D
2 The wall layer of microsporangium which nourishes the pollen grain is:
a) epidermis
b) endothecium
c) middle layers
d) tapetum
Answer : D
3 A short piece of DNA, having 20 base pairs, was analyzed to find the number of nucleotide bases in each of the polynucleotide strands. Some of the results are shown in the table.
How many nucleotides containing Adenine were present in strand 2?
a) 2
b) 4
c) 5
d) 7
Answer : D
4 In a certain species of insects, some have 13 chromosomes, and the others have 14chromosomes.The 13 and 14 chromosome bearing organisms are
a) males and females, respectively
b) females and males, respectively
c) all males
d) all females
Answer : A
5 At a particular locus, the frequency of allele A is 0.8 and that of allele a is 0.2. What would be the frequency of heterozygotes in a random mating population at equilibrium?
a) 0.32
b) 0.16
c) 0.24
d) 0.48
Answer : A
6 Variations caused due to mutations are
a) random and directionless
b) random and directional
c) random and small
d) random, small and directional
Answer : A
7 What is the smallest part of a DNA molecule that can be changed by a point mutation?
a) Oligonucleotide
b) Codon
c) Gene
d) Nucleotide
Answer : D
8 What should be the genotype of the indicated member?
a) AA
b) Aa
c) XY
d) aa
Answer : D
9 A patient was advised to have a kidney transplant. To suppress the immune reaction, the doctor would administer him:
a) statins produced from Monascus purpureus
b) statins produced from Streptococcus thermophilus
c) cyclosporin A produced from Trichoderma polysporum
d) cyclosporin A produced from Clostridium butylicum
Answer : C
Please refer to attached file for CBSE Class 12 Biology Sample Paper 2024 Solved
Free study material for Biology
Download CBSE Sample Papers: Class 12 Biology
Download Sample Paper: CBSE Class 12 Biology Sample Paper 2024 Solved (Class 12 Biology)
Access structured sample papers for Class 12 Biology. Solving the CBSE Class 12 Biology Sample Paper 2024 Solved provided above helps students understand official exam blueprints and tackle anticipated question formats with confidence.
Maximize Your Scores with Model Papers
- 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
- Review Solutions: Evaluate your completed papers using expert-verified guidance inside our solution sets.
- Target Weaknesses: Class 12 students should analyze missed questions to rectify conceptual misunderstandings.
- Deep Revision: Re-read sections in the NCERT book for Class 12 Biology to clear doubts before solving items again.
FAQs
You can download the complete PDF for CBSE Class 12 Biology Sample Paper 2024 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 2024 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 2024 Solved on your mobile device.