CBSE Class 12 Biology Sample Paper 2017 Set A

Read and download PDF of CBSE Class 12 Biology Sample Paper 2017 Set A designed as per the latest curriculum and examination pattern for Class 12 issued by CBSE, NCERT and KVS. The latest Class 12 Biology Sample Papers have been provided with solutions so that the students can solve these practice papers and then compare their answers. This will help them to identify mistakes and improvement areas in Biology Class 12 which they need to study more to get better marks in Class 12 exams. After solving these guess papers also refer to solved Class 12 Biology Question Papers available on our website to build strong understanding of the subject

Sample Paper for Class 12 Biology Pdf

Students can refer to the below Class 12 Biology Sample Paper designed to help students understand the pattern of questions that will be asked in Class 12 exams. Please download CBSE Class 12 Biology Sample Paper 2017 Set A

Biology Class 12 Sample Paper

SECTION-A

1. Write the probable differences in eating habits of Homo habilis and Homo erectus.

2. Mention two advantages for preferring CNG over diesel as an automobile fuel.

3. A male honeybee has 16 chromosomes whereas its female has 32 chromosomes Give one reason.

4. Mention two objectives of setting up GEAC by our Government.

5.Mention the role of genetic mother' in MOET. 

SECTION-B

6. What is aminoacylation \ State its significance.

 SECTION-C

11.(a.) What do ‘Y’ and “B’ stand for in ‘YAC’ and ‘BAC’ used in Human genome Project (HFP). Mention their role in the Project.
 
(b.) Write the percentage of the total human genome that for proteins and the percentage of discovered genes whose functions ane known as observed during HGP.
 
(c.) Expand ‘SNPs intentified by scientists in HGP.
 
12.3 Differentiate between divergent and convergent evolution. Give one example of each.
 
13.(a) List any four characteristics of an ideal contraceptive.
(b) Name two intrautperine contraceptive devices that affect the motility of sperms.
 
OR
(a) How does a farmer use the dormancy of seeds to his advantage?
(b) What advantages a seed provides to a plant?
 
14.(a) It is generally observed that the children who had suffered from chicken- pox in their childhood may not contract the same disease in their adulthood. Explain giving reasons the basis of such an immunity in an individual. Name this kind of immunity.
(b) What are interferons ? Mention their role.
 
15.(a) Write the two limitations of traditional breeding technique that led to promotion of micro proagation.
(b) Mention two advantages of micro propagation.
(c) Give two examples where it is commercially adopted


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CBSE Class 12 Biology Sample Paper 2017 Set A

We hope you liked the above provided CBSE Class 12 Biology Sample Paper 2017 Set A. To get an understanding of the type of questions which were asked in exams, it is important for Class 12 students to understand the way sample Paper are set by teachers. Students can download the Sample Paper for Class 12 Biology which will be coming in the exams so that you can practise them and solve all types of questions that can be asked in exams. By doing CBSE Class 12 Biology Sample Paper 2017 Set A you will understand the regular questions and MCQ questions for Class 12 Biology which are always asked. You can download CBSE Class 12 Biology Sample Paper and Class 12 Biology Question Papers in PDF. You should attempt all the last year question paper for Class 12 and Class 12 Biology MCQ Test in examination conditions at home and then compare their answers with the solutions provided by our teachers.

Where can I download CBSE Class 12 Biology Sample Paper 2017 Set A in Pdf

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Are there any websites that offer free CBSE Class 12 Biology Sample Paper 2017 Set A

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Are mock CBSE Class 12 Biology Sample Paper 2017 Set A available in multiple languages

Yes, mock CBSE Class 12 Biology Sample Paper 2017 Set A are available in multiple languages, including English, Hindi