Class 12 Biology Solved Model Papers: CBSE Class 12 Biology 2025 Sample Paper Set 08 Solved
Review targeted exam resources with the CBSE Class 12 Biology 2025 Sample Paper Set 08 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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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 the questions.
1 The technique called Gamete Intra Fallopian Transfer (GIFT) is recommended for those females
(a) who cannot produce an ovum
(b) who cannot retain the fetus inside uterus
(c) who cannot provide suitable environment for fertilization
(d) all of these
Answer : a
2 Which of the following are the two key concepts of Darwinian theory of evolution?
(a) Genetic drift and mutation
(b) Adaptive radiation and homology
(c) Mutation and natural selection
(d) Branching descent and natural selection
Answer : d
3 A sample of normal double-stranded DNA was found to have thymine content of 25%. What will be the expected proportion of guanine in this strand?
a.25%
b.32%
c.36%
d.73%
Answer : a
4 Which of the following phenomena significantly contributes to speciation?
P) Natural Selection
Q) Genetic Drift
R) Gene flow
S) Geographic Isolation
T) Stabilizing Selection
a. only Q and S
b. only R and T
c. only P, Q and S
d. only Q,R and T
Answer : c
5 ABO blood grouping in human beings cites the example of
(a) incomplete dominance
(b) co-dominance
(c) multiple allelism
(d) both (b) and (c)
Answer : d
6 Which of the following correctly describes the measures that can be used to control over-population?
(a) Educating people about the advantages of a small family
(b) Raising the age of marriage
(c) Encouraging family planning program
(d) All of these
Answer : d
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Exam Preparation Sample Paper for Class 12 Biology CBSE Class 12 Biology 2025 Sample Paper Set 08 Solved
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Explore downloadable sample sets for Class 12 Biology. Utilizing the CBSE Class 12 Biology 2025 Sample Paper Set 08 Solved allows learners to gauge exam readiness and master official CBSE assessment structures.
Key Advantages of Solving CBSE Class 12 Biology 2025 Sample Paper Set 08 Solved
- Original Practice Material: Access unique questions for Biology designed to challenge your understanding.
- Self-Assessment: Evaluate scores per set to pinpoint weak zones in Class 12 Biology.
- Exam Completion Skills: Routine problem sets train you to manage test duration efficiently without stress.
How to Analyze Your Performance in CBSE Class 12 Biology 2025 Sample Paper Set 08 Solved
- 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.
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