This practice test consists of 25 important questions from the Biology Chapter – Biotechnology: Principles And Processes (Class 12). these questions and practice test is helpful for NEET Ug and other competitive entrance exams.
Biotechnology: Principles and Processes – Biology (Class 12th) Revision Test | MCQs for NEET
Score: 0 / 25
Questions
Q1. Biolistics (gene gun) is suitable for
Biolistics (gene gun) is suitable for introducing rDNA into plant cells
Q2. In genetic engineering experiments, restriction enzymes are used for
In genetic engineering experiments, restriction enzymes are used for bacterial DNA
Q3. The DNA fragments produced by the use of restriction endonucleases can be separated by
The DNA fragments produced by the use of restriction endonucleases can be separated by gel electrophoresis
Q4. Plasmids in bacterial cells are
Plasmids in bacterial cells are extra-chromosomal DNA, which can . self-replicate
Q5. The DNA polymerase enzyme used in PCR is obtained from
The DNA polymerase enzyme used in PCR is obtained from Thermus aquaticus
Q6. While isolating DNA from bacteria, which of the following enzymes is not used?
Lysozyme is not used
Q7. Significance of ‘heat shock’ method in bacterial transformation is to facilitate
uptake of DNA through transient pores in the bacterial cell wall
Q8. Which of the following steps are catalysed by Taq polymerase in a PCR reaction?
Q9. Which of the given statement is correct in the context of observing DNA separated by agarose gel electrophoresis?
Ethidium bromide stained DNA can be seen under exposure to UV light is the correct answer
Q10. Restriction’ in Restriction enzyme refers to
Restriction’ in Restriction enzyme refers to prevention of the multiplication of bacteriophage in bacteria
Q11. The role of DNA ligase in the construction of a recombinant DNA molecule is
Q12. 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
transformants only and not the non-transformants can survive
Q13. DNA element with ability to change its position is called
DNA element with ability to change its position is called Intron
Q14. Viral genome incroporatcd into host DNA is called:
Viral genome incroporatcd into host DNA is called Bacteriophage
Q15. Triticale, first man made cereal crop, has been obtained by crossing wheat with:
Triticale, first man made cereal crop, has been obtained by crossing wheat with Barley
Q16. Golden rice is a promising transgenic crop. When released for cultivation, it will help in :
It will help in High vitamin A content.
Q17. Restrictipn endonucleases are most widely used in recombinant DNA technology. They are obtained from
Restrictipn endonucleases are most widely used in recombinant DNA technology. They are obtained from Bacterial cells
Q18. Restriction endonuclease cuts
Restriction endonuclease cuts both strands of DNA
Q19. Plasmid is a
Plasmid is a extra chromosomal DNA in bacterial cell
Q20. Two microbes found tb be very useful in Genetic Engineering are
Excherichia coli and Agrobacterium tumefaciens are two microbes found to be very useful in Genetic Engineering
Q21. DNA obtained for DNA finger printing:
Q22. Who discovered Restricted endonucleas enzymes?
Smith and Nathane discovered Restricted endonucleas enzymes
Q23. Two microbes found to be very useful in genetic, engineering are
Two microbes found to be very useful in genetic, engineering are Escherichiya Coli and Agrobacterium tumefaciens
Q24. Transgenic plants are develop by
Transgenic plants are develop by Introducing of foreign genes
Q25. Transgenic plants are develop by
Transgenic plants are develop by Introducing of foreign genes
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