Download CBSE Class 12 Biology Sample Papers
Access comprehensive sample question papers for Class 12 Biology using the CBSE Class 12 Biology Sample Paper 2013 Set 09. Designed to align with the 2026-27 CBSE academic guidelines, these model papers help students assess their exam readiness and understand current marking schemes.
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View or download the dedicated CBSE Class 12 Biology Sample Paper 2013 Set 09 resource below. Engaging with these sample papers under timed conditions ensures continuous academic progress and mastery of the 2026-27 exam format.
SECTION - A
Q.1 Which of the following is a recessive trait of the garden pea plant
a) Full pod shape b) Yellow seed colour c) Terminal flower d) Garden pod colour
Q.2 i) In the absence of predator, which curve (a) or (b) would appropriately depict the prey population?
ii) Give the function of molecular scissors of Biotechnology.
Q.3 The human male and female bird are heterogametic while the human female and male bird are homogametic. Why are they called so?
Q.4 Explain why pyramid of energy is always upright.
Q.5 What is heterochromatin ?
Q.6 Which Mendel’s Law of inheritance is universally acceptable without any exception? State the law.
Q.7 What is the difference between conformers and regulators? Give example.
Q.8 What is the norm set by Euro II for petrol and diesel vehicles?
SECTION – B
Q.9 Name the genes that constitute an operon. How does Lac operon get switched on in presence of lactose?
Q.10 What is a trophic level? Give example.
Q.11 How two adaptive radiation makes one convergent evolution? Give example.
Q.12 What are the hotspots of biodiversity?
Q.13 Define and design a test cross.
Q.14 Explain phenotypic adaptation with an example.
Q.15 a) If the double stranded DNA has 20% cytosine, calculate the percentage of adenine in DNA.
b) What is Bt cotton?
Q.16 Distinguish between the following :
a) Grazing food chain and detritus food chain.
b) Detritus and Litter
Q.17 a) Can you think of a situation where we deliberately want to make a species extinct? How would you justify it?
b) Give two ways by which we can make a host cell accept the negatively charged DNA.
Please click the below link to access CBSE Class 12 Biology Sample Paper 2013 Set I
Free study material for Biology
Model Practice Papers & Solutions for Class 12 Biology
Class 12 Biology CBSE Class 12 Biology Sample Paper 2013 Set 09 PDF Download Guide
Review model practice papers for Class 12 Biology. Working through the CBSE Class 12 Biology Sample Paper 2013 Set 09 under simulated test conditions at home ensures complete familiarity with upcoming school evaluations.
Maximize Your Scores with Model Papers
- 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.
Steps to Follow After Completing CBSE Class 12 Biology Sample Paper 2013 Set 09
- 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 Sample Paper 2013 Set 09 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 2013 Set 09 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 2013 Set 09 on your mobile device.