CBSE Class 12 Biotechnology Sample Paper 2011 Set A

Read and download PDF of CBSE Class 12 Biotechnology Sample Paper 2011 Set A designed as per the latest curriculum and examination pattern for Class 12 issued by CBSE, NCERT and KVS. The latest Class 12 Bio Technology 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 Bio Technology 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 Bio Technology Question Papers available on our website to build strong understanding of the subject

Sample Paper for Class 12 Bio Technology Pdf

Students can refer to the below Class 12 Bio Technology Sample Paper designed to help students understand the pattern of questions that will be asked in Class 12 exams. Please download CBSE Class 12 Biotechnology Sample Paper 2011 Set A

Bio Technology Class 12 Sample Paper

1. Farmers growing cotton find that bollworm is devouring their crop. Suggest a possible way by which genetic engineering can provide a solution to this problem. 

2. A microbiologist involved in an antibiotic discovery programmer has isolated some bacteria from hot springs in the Himalayas. However attempts of growing these bacteria under regular laboratory conditions have failed. What suggestion can you give him? 

3. An enriched medium containing salts, glucose, proteins and vitamins was made and a commercially available animal cell line was introduced. However the cells began dying. What could have been the mistake? 

4. In micro-propagation, axillary meristems are used as the source for raising virus free plants, why? 

5. A given microbial species grows rapidly. Which will be higher, its specific growth rate μ or doubling time 't' ? 

6. What is the role of Factor VIII? Why are animal cell lines required to produce it ? 
 
7. Differentiate between homologous and paralogous genes. 
 
8. Write the principle of Southern hybridization. 
 
9. 'Whey', in ancient times, was recommended for its therapeutic role. Why? 
 
10. Indicate two important properties of animal cell cultures. 
 
11. What are haploids and triploids ? What are their uses in plant cell culture? 
 
12. Indicate the use of the following in microbial cell culture (a) liquid nitrogen (b) agar
( c) nitrosoguanidine (d) glycerol 
 
13. Expand SNPs and describe their one application. 
 
14. Give the principle of the blue-white screening method in rDNA technology. 
 
15. In the enzyme chymotrypsin, why does Ser195 develop a negative charge on its - OH group. 
 
16. Why is Agrobacterium tumefaciens referred to as a 'natural genetic engineer' ?
How does this bacterium achieve this feat? 
 
17. After growth in fermentor, downstream processing involves a number of techniques.
Explain the principles behind (a) centrifugation (b) ultrafiltration. What is the rational behind minimizing steps involved in downstream processing? 
 
18. What do you understand by the term "genomics" ? Differentiate between structural and functional genomics. 
 
19. In an experiment involving cloning of a genomic DNA fragment into a vector: 
(a) Suggest a vector to clone this fragment, if its size is approx 300 kb.
(b) Suggest a cloning strategy if the DNA has very uncommon restriction enzyme sites at its ends.


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CBSE Class 12 Biotechnology Sample Paper 2011 Set A

We hope you liked the above provided CBSE Class 12 Biotechnology Sample Paper 2011 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 Bio Technology 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 Biotechnology Sample Paper 2011 Set A you will understand the regular questions and MCQ questions for Class 12 Bio Technology which are always asked. You can download CBSE Class 12 Bio Technology Sample Paper and Class 12 Bio Technology Question Papers in PDF. You should attempt all the last year question paper for Class 12 and Class 12 Bio Technology 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 Biotechnology Sample Paper 2011 Set A in Pdf

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How can I improve my scores by solving CBSE Class 12 Biotechnology Sample Paper 2011 Set A

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Are mock CBSE Class 12 Biotechnology Sample Paper 2011 Set A available in multiple languages

Yes, mock CBSE Class 12 Biotechnology Sample Paper 2011 Set A are available in multiple languages, including English, Hindi