CBSE - Class 12 - Biology - User Submitted Papers
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User Submitted Papers for Class 12 Biology
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CBSE User Submitted Papers Class 12 Biology
CBSE Biology model question paper
CBSE User Submitted Papers for class 12 Biology and User Submitted Papers & Solutions of 10+2 Biology are made available by CBSE every year just after the board exams are over. CBSE marking scheme and blue print is provided along with the User Submitted Papers. This helps students find answer the most frequently asked question, How to prepare for CBSE board exams. The best way to prepare for board exams is to understand the questions pattern and practice them as given in User Submitted Papers.
- Solved question papers for class 12
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- CBSE Question Paper for Class 12 – Biology – 2018, 2017, 2016
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Board User Submitted Papers of class 12 Biology
CBSE class 12 Board Submitted Papers for Biology for the year 2018, 2017, 2016, 2015 with solutions in PDF format for free download. The User Submitted Papers last 10 year for all – NCERT books and based on CBSE latest syllabus must be downloaded and practiced by students. These old 5 to 10 year board User Submitted Papers are the best source to understand question paper pattern and chapter wise weightage in class 12th Biology question paper.
Chapter-wise Marks distribution for class 12 Biology board exam
Unit |
Title |
No. of Periods |
Marks |
---|---|---|---|
VI |
Reproduction |
30 |
14 |
VII |
Genetics and Evolution |
40 |
18 |
VIII |
Biology and human welfare |
30 |
14 |
IX |
Biotechnology and its Application |
30 |
10 |
X |
Ecology and Environment |
30 |
14 |
TOTAL |
160 |
70 |
Class 12 Biology Marking scheme
Time 3 Hours (Max. Marks: 70)
Typology of Questions:
1. Remembering- (Knowledge based Simple recall questions, to know specific facts, terms, concepts, principles, or theories, Identify, define, or recite, information)
Very Short Answer (VSA) (1 mark): 2
Short Answer-I (SA-I) (2 marks): 1
Short Answer –II (SA-II) (3 marks): 1
Value based question (4 marks): 0
Long Answer (LA) (5 marks): 0
Total Marks: 7
% Weightage: 10%
2. Understanding- (Comprehension -To be familiar with meaning and to understand conceptually, interpret, compare, contrast, explain, paraphrase information)
Very Short Answer (VSA) (1 mark): 0
Short Answer-I (SA-I) (2 marks): 2
Short Answer –II (SA-II) (3 marks): 4
Value based question (4 marks): 0
Long Answer (LA) (5 marks): 1
Total Marks: 21
% Weightage: 30%
3. Application (Use abstract information in concrete situation, to apply knowledge to new situations, Use given content to interpret a situation, provide an example, or solve a problem)
Very Short Answer (VSA) (1 mark): 0
Short Answer-I (SA-I) (2 marks): 2
Short Answer –II (SA-II) (3 marks): 4
Value based question (4 marks): 0
Long Answer (LA) (5 marks): 1
Total Marks: 21
% Weightage: 30%
4. High Order Thinking Skills (Analysis & Synthesis- Classify, Compare, Contrast, or differentiate between different pieces of information, Organize and/or integrate unique pieces of information from a variety of sources)
Very Short Answer (VSA) (1 mark): 2
Short Answer-I (SA-I) (2 marks): 0
Short Answer –II (SA-II) (3 marks): 1
Value based question (4 marks): 0
Long Answer (LA) (5 marks): 1
Total Marks: 10
% Weightage: 14%
5. Evaluation- (Appraise, judge, and/or justify the value or worth of a decision or outcome, or to predict outcomes based on values)
Very Short Answer (VSA) (1 mark): 1
Short Answer-I (SA-I) (2 marks): 0
Short Answer –II (SA-II) (3 marks): 2
Value based question (4 marks): 1
Long Answer (LA) (5 marks): 0
Total Marks: 11
% Weightage: 16%
Total
Very Short Answer (VSA) (1 mark): 5 x 1 = 5
Short Answer-I (SA-I) (2 marks): 5 x 2 = 10
Short Answer –II (SA-II) (3 marks): 12 x 3 = 36
Value based question (4 marks): 1 x 4 = 4
Long Answer (LA) (5 marks): 3 x 5 = 15
Total Marks: 70 (26)
% Weightage: 100%
CBSE Biology User Submitted Papers General Instructions
Time allowed: 3 hours, Maximum Marks: 70
General Instructions:-
- All questions are compulsory.
- This question paper consists of four Sections A, B, C D and E. Section A contains 5 questions of one mark each, Section B is of 5 questions of two marks each, Section C is of 12 questions of three marks each, Section D is 1 question of four mark and Section E is of 3 questions of five marks each.
- There is no overall choice. However, an internal choice has been provided in one question of 2 marks, one question of 3 marks and all the three questions of 5 marks weightage. A student has to attempt only one of the alternatives in such questions.
- Wherever necessary, the diagrams drawn should be neat and properly labelled.
Class 12 Biology Questions Papers and syllabus
CBSE class 12 Biology have following chapters. Questions are asked from these chapters. CBSE schools are advised to follow NCERT text books. Here is the list of chapters in class 12th Biology.
Class 12 Biology List of Chapters NCERT Book
- Chapter 1 : Reproduction in Organisms
- Chapter 2 : Sexual Reproduction in Flowering Plants
- Chapter 3 : Human Reproduction
- Chapter 4 : Reproductive Health
- Chapter 5 : Principles of Inheritance and Variation
- Chapter 6 : Molecular Basis of Inheritance
- Chapter 7 : Evolution
- Chapter 8 : Human Health and Disease
- Chapter 9 : Strategies for Enhancement in Food Production
- Chapter 10 : Microbes in Human Welfare
- Chapter 11 : Biotechnology Principles and Processes
- Chapter 12 : Biotechnology and its Applications
- Chapter 13 : Organisms and Populations
- Chapter 14 : Ecosystem
- Chapter 15 : Biodiversity and Conservation
- Chapter 16 : Environmental Issues
To download previous year question papers for class 12 Physics, Accountancy, Biology, History, Political Science, Economics, Geography, Computer Science, Home Science, Accountancy, Business Studies and Home Science; do check myCBSEguide app or website. myCBSEguide provides sample papers with solution, test papers for chapter-wise practice, NCERT solutions, NCERT Exemplar solutions, quick revision notes for ready reference, CBSE guess papers and CBSE important question papers. Sample Paper all are made available through the best app for CBSE students and myCBSEguide website.
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