CBSE Class 12 Biology Sample Paper 2017 Set 03

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Official CBSE Practice Papers for Class 12 Biology

Access comprehensive sample question papers for Class 12 Biology using the CBSE Class 12 Biology Sample Paper 2017 Set 03. Designed to align with the 2026-27 CBSE academic guidelines, these model papers help students assess their exam readiness and understand current marking schemes.

Solved Model Papers for Biology

View or download the dedicated CBSE Class 12 Biology Sample Paper 2017 Set 03 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- Write the two components of the first artificial recombinant DNA molecule constructed by Cohen and Boyer

2-Give the scientific name of the source organism from which the first antibiotic was produced.

3- Why do normal red blood cells became elongated sickle shaped structures in a person suffering from sickle cell anaemia ?

4- State the function of filiform apparatus found in mature embryo sac of an angiosperm.

5- In spite of being non-polluting, why are there great apprehensions in using nuclear energy for signing for generating electricity ?

6- State the purpose of signing the Montreal Protocol.

7-Write the names of the enzymes that are used for isolation of DNA from bacterial and fungal cells respectively for Recombinant DNA Technology.

8- Name the host cells in which micro-injection technique is used to introduce an alien DNA.

SECTION-B
 
9-One of the salient features of the genetic code is that it is nearly universal from bacteria to humanas. Mention two exceptions to this rule. Why are some codes said to be degenerate?
 
10-What is “withdrawal syndrome” ? List any two symptoms it is characterised by.
 
11-Explain palindromic nucleotide sequence with the help of a suitable example.
 
12-List the two steps that are essential for carrying out artificial hybridization in crop plants and why.
 
13-Differentiate between commensalism and mutualism by taking one example each from plants only.
 
14-(a) State the cause of depletion of ozone layer.
 
(b) Specify any two ill-effects that it can cause in the human body.

 

Please click the link below to download CBSE Class 12 Biology Sample Paper 2017 Set C

Free study material for Biology

Model Practice Papers & Solutions for Class 12 Biology

Access Sample Papers for Class 12 Biology

Explore downloadable sample sets for Class 12 Biology. Utilizing the CBSE Class 12 Biology Sample Paper 2017 Set 03 allows learners to gauge exam readiness and master official CBSE assessment structures.

Key Advantages of Solving CBSE Class 12 Biology Sample Paper 2017 Set 03

  • 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.

Post-Practice Strategy for Class 12 Biology

  1. Self-Evaluation: Score your answers using official guidance to track your academic progress.
  2. Mistake Correction: Class 12 pupils must re-solve questions answered incorrectly to master the correct method.
  3. Continuous Practice: Take additional Biology sample modules online to maximize preparedness for CBSE evaluations.

FAQs

Where can I download the PDF for CBSE Class 12 Biology Sample Paper 2017 Set 03?

You can download the complete PDF for CBSE Class 12 Biology Sample Paper 2017 Set 03 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 2017 Set 03?

Yes, CBSE Class 12 Biology Sample Paper 2017 Set 03 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 2017 Set 03 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 2017 Set 03 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 2017 Set 03 on your mobile device.