CBSE Class 12 Biology Sample Paper 2018 Set 01

Biology
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Official CBSE Practice Papers for Class 12 Biology

Review targeted exam resources with the CBSE Class 12 Biology Sample Paper 2018 Set 01. 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.

Solved Model Papers for Biology

View or download the dedicated CBSE Class 12 Biology Sample Paper 2018 Set 01 resource below. Engaging with these sample papers under timed conditions ensures continuous academic progress and mastery of the 2026-27 exam format.

SECTION-A

1- Name two animals that exhibit Oestrus cycle. 

2-What is point mutation ? Give one example. 

3- Mention one difference to distinguish an exon from an intron. 

4- dSuggest a molecular diagnostic procedure that detects HIV in a suspected AIDS patient.

5-What does nature’s carrying capacity for a species indicate ? 

 SECTION-B

6-Write the location and functions of Myometrium and Endometrium.
 
7-How does a test cross help to determine the genotype of an individual ?
 
OR
Mention two application of DNA polymorphism.
 
8-What kind of areas are suitable for practicing apiculture ? Write the scientific
name of the variety commonly reared for the purpose.
 
9-Suggest four advanced ex-situ methods to conserve threatened biodiversity.
 
10-Lower BOD of a water bofy helps reappearance of clean-water organisms. Explain.
 
SECTION-C
 
11-“Post-industrializtion, the population of melanised moth increase in England at the expense of white-winged moths.” Provide explanations.
 
12-Why does the ‘insertional inactivation’ method to detect recombinant DNA is preferred to ‘antibiotic resistance’ procedure ?
 
13-Explain the role of the enzyme EcoRI in recombinant DNA technology.
 
14-Draw a labelled diagram of the embryonic stage that gets implanted in the human uterus. State the function of the two parts labelled.
 
15-(a) Draw a labelled sketch of a mature 7-celled, 8-nucleate embryo-sac.
(b) Which one of the cell in an embryo-sac produce endosperperm after double fertilization ?


Please click the link below to download CBSE Class 12 Biology Sample Paper 2018 Set A

Free study material for Biology

Download CBSE Sample Papers: Class 12 Biology

Get Started with CBSE Class 12 Biology Sample Paper 2018 Set 01 (CBSE)

Access structured sample papers for Class 12 Biology. Solving the CBSE Class 12 Biology Sample Paper 2018 Set 01 provided above helps students understand official exam blueprints and tackle anticipated question formats with confidence.

Maximize Your Scores with Model Papers

  • Curriculum Insights: Clarify chapter-wise weightage rules and question trends across Class 12.
  • Gap Analysis: Check performance drops across sets to isolate specific Class 12 Biology topics needing extra attention.
  • Time Efficiency: Working through objective and descriptive problems builds critical pacing to finish exams comfortably.

How to Analyze Your Performance in CBSE Class 12 Biology Sample Paper 2018 Set 01

  1. Verify Answers: Compare your responses against professional teacher solutions provided in the sample paper keys.
  2. Error Analysis: Class 12 learners must review incorrect answers carefully to understand underlying mistakes.
  3. Concept Reinforcement: Consult the official NCERT book for Class 12 Biology when stuck before re-attempting problems.

FAQs

Where can I download the PDF for CBSE Class 12 Biology Sample Paper 2018 Set 01?

You can download the complete PDF for CBSE Class 12 Biology Sample Paper 2018 Set 01 for free from StudiesToday.com. Our resources for Class 12 Biology are updated for the latest academic session and follow the official exam pattern.

Are solutions provided for CBSE Class 12 Biology Sample Paper 2018 Set 01?

Yes, CBSE Class 12 Biology Sample Paper 2018 Set 01 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.

How can practicing CBSE Class 12 Biology Sample Paper 2018 Set 01 help in exam preparation?

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.

Is the CBSE Class 12 Biology Sample Paper 2018 Set 01 accessible on mobile and tablets?

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 2018 Set 01 on your mobile device.