CBSE Class 12 Bio Technology Question Paper Set 1 2015 Delhi with Answers

CBSE Class 12 Bio Technology Question Paper Set 1 2015 Delhi with Answers. Students can download the last year question papers using the link below. Free download of examination question papers with solutions. Last 10 year question papers should be practised to get better marks in examinations. 

1. Which method of measuring microbial growth will give most accurate representation of cell number ?

2. Monoclonal antibody against CD-3 is an effective therapeutic agent in overcoming kidney allograft rejection.How.

3. Why is liquid nitrogen used to store animal cells ?

4. Which two properties makes virus good vectors ?

5. Why is humulin considered better than pig insulin for treatment of diabetes ?

6. If you are given a sequence of alphabets without any label, how will you find out whether it is RNA or protein ?

7. Write four precautions one should take, to maximize protein stability during various purification steps.

8. Eukaryotic cells are often preferred for expression of eukaryotic proteins. Why ?

9. Embryo rescue is needed in case of inter-generic or inter-species crosses in plants. Why ? 

10. Protoplast culture is gaining importance in plant biotechnology. Why ?

Please click the link below to download pdf file of CBSE Class 12 Bio Technology Question Paper Set 1 2015 Delhi with Answers.