Sample Question Papers for Class 12 Biology
Explore authentic exam practice materials through the CBSE Class 12 Biology 2025 Sample Paper Set 01 Solved. Tailored for Class 12 learners, utilizing these Biology sample papers ensures thorough preparation and strengthens time management skills before final CBSE evaluations.
Practice Class 12 Biology Exam Papers
Navigate directly to the solved Biology model papers using the digital viewer below. Each practice set includes detailed solutions, allowing students to instantly cross-check their work and identify areas requiring further revision.
SECTION A
Q. No. 1 to 12 are multiple choice questions. Only one of the choices is correct. Select and write the correct choice as well as the answer to these questions.
1 Which among the following came into India as a contaminant with imported wheat, has become ubiquitous in occurrence and causes pollen allergy
(a) Lantana
(b) Eicchhornia
(c) Parthenium
(d) Chenopodium
Answer : c
2. Ectopic pregnancies are referred as-
(a) Pregnancies with genetic abnormalities
(b) Implantation of defective embryo in the uterus
(c) Implantation of embryo at site other than the uterus
(d) Pregnancies terminated due to hormonal imbalance
Answer : c
3 Which of the following statements indicates parallelism in genes and chromosomes?
(i) They occur in pairs
(ii) They segregate during gamete formation
(iii) They show linkage
(iv) Independent pairs segregate independently
(a) (i) and (iii)
(b) (ii) and (iii)
(c) (i), (ii) and (iii)
(d) (i), (ii) and (iv)
Answer : d
4 In E.coli, the lac operon gets switched on when
a) lactose is present and it binds to the repressor
b) repressor binds to operator
c) RNA polymerase binds to the operator
d) lactose is present and it binds to RNA polymerase
Answer : a
5 The separated bands of desired DNA are cut out from the agarose gel and extracted from gel piece is known as
a) southern blotting
b) western blotting
c) gel electrophoresis
d) elution
Answer : d
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Free study material for Biology
Model Practice Papers & Solutions for Class 12 Biology
Download Sample Paper: CBSE Class 12 Biology 2025 Sample Paper Set 01 Solved (Class 12 Biology)
Explore downloadable sample sets for Class 12 Biology. Utilizing the CBSE Class 12 Biology 2025 Sample Paper Set 01 Solved allows learners to gauge exam readiness and master official CBSE assessment structures.
Why Practice Class 12 Biology Sample 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.
Steps to Follow After Completing CBSE Class 12 Biology 2025 Sample Paper Set 01 Solved
- Self-Evaluation: Score your answers using official guidance to track your academic progress.
- Mistake Correction: Class 12 pupils must re-solve questions answered incorrectly to master the correct method.
- Continuous Practice: Take additional Biology sample modules online to maximize preparedness for CBSE evaluations.
FAQs
You can download the complete PDF for CBSE Class 12 Biology 2025 Sample Paper Set 01 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 2025 Sample Paper Set 01 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 2025 Sample Paper Set 01 Solved on your mobile device.