CBSE Class 12 Biotechnology Sample Paper 2011 Set B

Read and download PDF of CBSE Class 12 Biotechnology Sample Paper 2011 Set B 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 B

Bio Technology Class 12 Sample Paper

 SECTION -A

1. Why is humbling considered better than pig insulin for the treatment of diabetes?

2. If a researcher began with a sample that contained 5 copies of double stranded DNA, how many copies would he be able to get after 20 cycles of PCR ? 

3. What are interferons? 

4. In isolating recombinant insulin from a culture of E.coli, the cells were filtered and the filtrate was subjected to a purification protocol. However no insulin was obtained. Why? 

5. Why is erythropoietin (EPO) included in the list of banned substances for sportsmen?  

SECTION - B
 
6. In a batch culture of E.coli, specific growth rates of the microbial cells will be maximum at which phase of growth and why? 
 
7. Compared to a conventional plasmid, what additional sequences are required in a YAC vector so that it can behave as an artificial chromosome? 
 
8. Why is it useful to search a database to identify newly determined DNA sequence? Give two reasons. 
 
9. Why is foaming caused during fermentation process? How can this be harmful to the process?
 
10. What is a transgenic plant? Enlist two examples of transgenic plants with beneficial traits. 
 
11. Patients who are administered monoclonal antibodies against CD3 can accept renal allograft, why? 
 
12. Listed below are four different single strands of DNA. Which of these in their double stranded form, would you expect to be cleaved by a restriction endo-nuclease, and why?
(a) GCCTCATTCGAAGCCTGA
(b) ACTCCAAGCTTCACTCCG
(c) CTCGCCAGACTCGTCGCA
(d) ACTCCACTCCCGACTCCA 
 
13. (a) Expand ‘BLAST’.
(b) When aligning two or more genetic sequences, it is sometimes necessary to insert gaps, why? 
 
14. How are novel genes introduced into plants using Ti plasmid of Agrobacterium ? Enlist major steps.
 
15. A soil microorganism produces a novel metabolite in nanomolar (nM) concentration.Suggest any two ways to increase its production.


Please click the link below to download full pdf file for CBSE Class 12 Biotechnology Sample Paper 2011 Set B

CBSE Class 12 Biotechnology Sample Paper 2011 Set B

We hope you liked the above provided CBSE Class 12 Biotechnology Sample Paper 2011 Set B. 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 B 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 B in Pdf

You can download CBSE Class 12 Biotechnology Sample Paper 2011 Set B from StudiesToday.com

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

Regular practice of sample question paper given on studiestoday for CBSE Class 12 Biotechnology Sample Paper 2011 Set B can help you to score better marks in exams

Are there any websites that offer free CBSE Class 12 Biotechnology Sample Paper 2011 Set B

Yes, studiestoday.com provides all latest CBSE Class 12 Bio Technology Sample Papers with answers based on the latest format issued for current academic session

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

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