CBSE Class 12 Biology Sample Paper 2017 Set G

Read and download PDF of CBSE Class 12 Biology Sample Paper 2017 Set G 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 G

Biology Class 12 Sample Paper

SECTION A

1. Why do internodal segments of sugarcane fail to propagate vegetatively even when they are in contact with damp soil? 

2. Mention any two probable reasons for rapid rise of population in our country from about 350 million at the time of independence to about 1 billion by the year 2000. 

3. The gene I that controls the ABO blood grouping in human beings has three alleles IA, IB and i .

(a) How many different genotypes are likely to be present in the human population?

(b) Also, how many phenotypes are possibly present? 

4. State any one reason to explain why RNA viruses mutate and evolve faster than other viruses. 

5. Mention any two measures for prevention and control of alcohol and drug abuse among adolescents. 

6. What would be the impact on the environment around a thermal power plant if its electrostatic precipitator stops functioning? Give a reason. 

7. Why is thermoregulation more effectively achieved in larger animals than in smaller ones? 

8. A plasmid and a DNA sequence in a cell need to be cut for producing recombinant DNA. Name the enzyme which acts as molecular scissors to cut the DNA segments. 


SECTION B

9. Even though each pollen grain has two male gametes, why are at least 10 pollen grains and not 5 pollen grains required to fertilise 10 ovules present in a particular carpel? 

10. When a red flowerd Antirrhinum plant was crossed with a white flowered Antirrhinum plant, the F1 - offspring had pink flowers. Mention (a) the genotype of F1 plant and (b) the reason why it did not bear the parental red or white flower colours? 

11. Draw schematically a single polynucleotide strand (with at least three nucleotides). Provide labels and directions. 
 
OR
Choose and rearrange any four of the following groups of plants in an ascending evolutionary scale.
Cycads; Gnetales; Monocotyledons; Rhynia-like plants; Cholorophyta ancestors; Dicotyledons; and Seed ferns.


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How to download CBSE Class 12 Biology Sample Paper 2017 Set G in PDF?

We hope you liked the above provided CBSE Class 12 Biology Sample Paper 2017 Set G. 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 G 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.

Why should you solve CBSE Class 12 Biology Sample Paper 2017 Set G?

a) This is new Set from Class 12 Biology Sample Papers and has questions which are different from other sets.
b) As you will do more sets and also refer to Class 12 Biology Question Papers, then it will help you understand the type of questions asked in exams.
d) Compare your score of each set to understand your weak areas in Class 12 Biology.
e) Solving this paper which also has MCQ questions for Class 12 Biology will make you faster and better at answering questions.

What should you do after solving CBSE Class 12 Biology Sample Paper 2017 Set G?

a) Check your answers with the solutions given in the downloaded sample paper in PDF of Class 12 Biology.
b) Class 12 students should try to find where you made mistakes and learn from them.
c) If a question was hard, read the concepts in NCERT book for Class 12 Biology and then practice it again to get better.
d) Solve more sets of sample papers for Class 12 Biology to improve even more.

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

You can download CBSE Class 12 Biology Sample Paper 2017 Set G from StudiesToday.com

How can I improve my scores by solving CBSE Class 12 Biology Sample Paper 2017 Set G

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

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

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