Biotechnology: Principles and Processes Class 12 MCQs Questions with Answers

1. Restriction’ in Restriction enzyme refers to :

2. Important objective of biotechnology in agriculture section is

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

4. Viral genome incroporatcd into host DNA is called:

5. Gene was synthesized in vitro by

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

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

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

9. the ecor-1 enzyme is obtained from

10. Plasmid is a:

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

12. Biolistics (gene gun) is suitable for

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

14. Who discovered Restricted endonucleas enzymes?

15. 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

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

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

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

19. Transgenic plants are develop by:

20. Hybridoma technology has been successfully used in