Biotechnology: Principles and Processes Class 12 MCQs Questions with Answers

1. Restriction’ in Restriction enzyme refers to :

2. Micro-organisms can be grown in the bioreactors by

3. Plasmid is a:

4. In an experiment, recombinant DNA bearing ampicillin-resistance gene is transferred into E.coli cells. The host cells are then cultured on a medium containing ampicillin. The result will be

5. Significance of ‘heat shock’ method in bacterial transformation is to facilitate:

6. Biolistics (gene gun) is suitable for

7. Two microbes found to be very useful in genetic, engineering are:

8. Golden rice is a promising transgenic crop. When released for cultivation, it will help in :

9. the ecor-1 enzyme is obtained from

10. Transgenic plants are develop by:

11. The DNA fragments produced by the use of restriction endonucleases can be separated by

12. Viral genome incroporatcd into host DNA is called:

13. Name the drug used in cancer treatment produced by using biotechnology

14. Gene was synthesized in vitro by

15. Which of the following steps are catalysed by Taq polymerase in a PCR reaction?

16. Who discovered Restricted endonucleas enzymes?

17. The DNA polymerase enzyme used in PCR is obtained from

18. Important objective of biotechnology in agriculture section is

19. Hybridoma technology has been successfully used in

20. The DNA polymerase enzyme used in PCR is obtained from