Biotechnology: Principles and Processes Class 12 MCQs Questions with Answers

1. Important objective of biotechnology in agriculture section is

2. Hybridoma technology has been successfully used in

3. Biolistics (gene gun) is suitable for

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

5. Who discovered Restricted endonucleas enzymes?

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

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

8. Restriction’ in Restriction enzyme refers to :

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

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

11. Viral genome incroporatcd into host DNA is called:

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

13. Gene was synthesized in vitro by

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

15. the ecor-1 enzyme is obtained from

16. Plasmid is a:

17. 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

18. Transgenic plants are develop by:

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

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