Biotechnology: Principles & Processes: NEET Biology Previous Year Questions

120 previous year questions from Biotechnology: Principles & Processes. Here are the 25 most important ones; open any question for the correct answer and a full step-by-step solution.

1. 1.What triggers activation of protoxin to active Bt toxin of Bacillus thuringiensis in boll worm?
2. 2.Which of the following is a restriction endonuclease?
3. 3.DNA strands on a gel stained with ethidium bromide when viewed under UV radiation, appear as:
4. 4.Stirred-tank bioreactors have been designed for
5. 5.In gel electrophoresis, separated DNA fragments can be visualized with the help of:
6. 6.Which of the following is not a component of downstream processing?
7. 7.Which of the following is not a feature of the plasmids?
8. 8.Use of bioresources by multinational companies and organisations without authorisation from the concerned country and its people is called
9. 9.Which body of the Government of India regulates GM research and safety of introducing GM organisms for public services?
10. 10.Which one of the following represents a palindromic sequence in DNA?
11. 11.In genetic engineering, the antibiotics are used :-
12. 12.Given below is a sample portion of DNA strand giving the base sequence on the opposite strands. What is so special shown in it? 5’_GAATTC_3’ 3’_CTTAAG_5’
13. 13.The introduction of T-DNA into plants involves :
14. 14.Following statements describe the characteristics of the enzyme Restriction endonuclease. Identify the incorrect statement.
15. 15.When gene targetting involving gene amplification is attempted in an individual's tissue to treat disease, it is known as :
16. 16.In recombinant DNA technology antibiotics are used:
17. 17.DNA fragments generated by the restriction endonucleases in a chemical reaction can be separated by:
18. 18.Stirred-tank bioreactors have been designed for:
19. 19.The first recombinant DNA was constructed by linking an antibiotic resistant gene with native plasmid of
20. 20.A specific recognition sequence identified by endonucleases to make cuts at specific positions within the DNA is:
21. 21.The laws and rules to prevent unauthorised exploitation of bio-resources are termed as-
22. 22.Which kind of therapy was given in 1990 to a four year old girl with adenosine deaminase (ADA) deficiency?
23. 23.The colonies of recombinant bacteria appear white in contrast to blue colonies of non-recombinant bacteria because of:
24. 24.In gene gun method used to introduce alien DNA into host cells, microparticles of metal are used.
25. 25.The taq polymerase enzyme is obtained from :