CBSE Class 12 Biology Board Question Paper 2016 (Delhi Set 3)

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This is the CBSE Class 12 Biology (Theory) Previous Year Question Paper from the 2016 Main Exams, Delhi Set 3. The paper is divided into five sections: Section A (Very Short Answer type questions, 1 mark each), Section B (Short Answer type–I questions, 2 marks each), Section C (Short Answer type–II questions, 3 marks each), Section D (Value Based Question, 4 marks), and Section E (Long Answer type questions, 5 marks each). All 26 questions are compulsory. While there is no overall choice, internal choices are provided in one question of 2 marks, one question of 3 marks, and all three questions of 5 marks. Solving this board question paper helps students understand the exam pattern, question types, and marking scheme, crucial for scoring well in the CBSE board exams.

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Quick info

BoardCBSE
Class12
SubjectBiology
Session2016
LanguageHindi
TypePrevious Year Question Paper
Exam typeBoard Exam

Paper pattern

The question paper contains 26 questions across five sections: Section A (1 mark each), Section B (2 marks each), Section C (3 marks each), Section D (4 marks), and Section E (5 marks each). Internal choices are available in specific questions.

Topics covered

Paper topics

  • Gene and Allele
  • Animal Breeding
  • DNA Separation Techniques
  • Eutrophication
  • Codon Function

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Question paper text

SET - 3

Series : ONS/1

कोड नं.

Code No. 57/1/3

रोल नं.

परीक्षार्थी कोड को उत्तर-पुस्तिका के मुख-पृष्ट

पर अवश्य लिखें ।

Candidates must write the Code on

the title page of the answer-book.

Roll No.

कृपया जाँच कर लें कि इस प्रश्न-पत्र में मुद्रित पृष्ठ 8 हैं ।

प्रश्न-पत्र में दाहिने हाथ की ओर दिए गए कोड नम्बर को छात्र उत्तर-पुस्तिका के मुख-पृष्ट पर लिखें ।

कृपया जाँच कर लें कि इस प्रश्न-पत्र में 26 प्रश्न हैं।

कृपया प्रश्न का उत्तर लिखना शुरू करने से पहले, प्रश्न का क्रमांक अवश्य लिखें।

इस प्रश्न-पत्र को पढ़ने के लिए 15 मिनट का समय दिया गया है । प्रश्न-पत्र का वितरण पूर्वाहन में 10.15 बजे किया जायेगा । 10.15 बजे से 10.30 बजे तक छात्र केवल प्रश्न-पत्र को पढ़ेंगे और इस अवधि के दौरान वे उत्तर-पुस्तिका पर कोई उत्तर नहीं लिखेंगे ।

  • Please check that this question paper contains 8 printed pages.

Code number given on the right hand side of the question paper should be written on the title page of the answer-book by the candidate.

Please check that this question paper contains 26 questions.

Please write down the Serial Number of the question before attempting it.

15 minute time has been allotted to read this question paper. The question paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the students will read the question paper only and will not write any answer on the answer-book during this period.

जीव विज्ञान (सैद्धान्तिक)

BIOLOGY (Theory)

निर्धारित समय :3 घंटे

अधिकतम अंक :70

Time allowed : 3 hours

Maximum Marks: 70

सामान्य निर्देश:

(i) प्रश्न-पत्र में पाँच खण्डों में 26 प्रश्न दिए गए हैं । सभी प्रश्न अनिवार्य हैं ।

  1. खण्ड – क में प्रश्न संख्या 1 से 5 अति लघु-उत्तरीय प्रश्न हैं । प्रत्येक प्रश्न 1 अंक का है ।
  2. खण्ड – ख में प्रश्न संख्या 6 से 10 लघु-उत्तरीय प्रश्न 🛭 प्रकार के हैं । प्रत्येक प्रश्न 2 अंकों का है ।
  3. खण्ड – ग में प्रश्न संख्या 11 से 22 लघु-उत्तरीय प्रश्न II प्रकार के हैं । प्रत्येक प्रश्न 3 अंकों का है ।
  4. खण्ड – घ में प्रश्न संख्या 23 मूल्याधारित प्रश्न 4 अंकों का है।
  5. खण्ड – 🕏 में प्रश्न संख्या 24 से 26 दीर्घ उत्तरीय प्रश्न हैं, प्रत्येक प्रश्न 5 अंकों का है ।
  1. प्रश्न-पत्र में समग्र पर कोई विकल्प नहीं है, फिर भी 2 अंकों वाले एक प्रश्न में, 3 अंकों वाले एक प्रश्न में और 5 अंकों वाले सभी तीनों प्रश्नों में भीतरी चयन-विकल्प दिए गए हैं । प्रत्येक परीक्षार्थी को ऐसे प्रश्नों के दो विकल्पों में से कोई एक प्रश्न हल करना है।

57/1/3 1 [P.T.O.

General Instructions:

  1. There are a total of 26 questions and five sections in the question paper. All questions are compulsory.
  2. Section A contains question number 1 to 5, Very Short Answer type questions of 1 mark each.
  3. Section B contains question number 6 to 10, Short Answer type–I questions of 2 marks each.
  4. Section C contains question number 11 to 22, Short Answer type–II questions of 3 marks each.
  5. Section D contains question number 23, Value Based Question of 4 marks.
  6. Section E contains question number 24 to 26, Long Answer type questions of 5 marks each.
  1. There is no overall choice in the question paper, however, an internal choice is provided in one question of 2 marks, one question of 3 marks and all the three questions of 5 marks. In these questions, an examinee is to attempt any one of the two given alternatives.

खण्ड – क

SECTION - A

  1. एक जीन तथा एक ऐलील में अंतर बताइए ।

1 State a difference between a gene and an allele. 1

  1. दुग्ध-उत्पादन में औसत से कम दूध देने वाले जंतुओं के लिए सबसे उत्तम प्रजनन विधि का सुझाव दीजिए । Suggest the breeding method most suitable for animals that are below average in milk productivity.
  2. एक शोधकर्ता को DNA के खंडों को पृथक करने की आवश्यकता है, उसे किसी विधि का सुझाव दीजिए । 1 Suggest a technique to a researcher who needs to separate fragments of DNA.
  3. अलवण जल निकाय में अत्यधिक पोषण के कारण मछलियाँ मर जाती हैं । कोई दो कारण बताइए । 1 Excessive nutrients in a fresh water body cause fish mortality. Give two reasons.
  4. एक ऐसे कोडोन का उदाहरण दीजिए जो दोहरा कार्य करता हो । 1

Give an example of a codon having dual function. 2 57/1/3

Frequently asked questions

What is this document?

This is the CBSE Class 12 Biology Previous Year Question Paper from the 2016 Main Exams, Delhi Set 3.

What is the structure of the Biology 2016 paper?

The paper has 5 sections (A, B, C, D, E) with 26 questions in total, ranging from 1 to 5 marks each, including a value-based question.

Are there choices available in the paper?

Yes, internal choices are provided in one 2-mark question, one 3-mark question, and all three 5-mark questions.

How does solving this previous year paper help?

Solving this previous year question paper helps students understand the exam pattern, question difficulty, and marking scheme, improving their preparation and confidence for the board exams.

What is the total marks and time for the exam?

The exam is for a maximum of 70 marks and has a duration of 3 hours.

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