Quiz 25-October-2022

#1. Which of the following enzyme is used to join bits of DNA?

DNA polymerase

Primase

Ligase

Endouclease

#2. Genetically engineered bacteria is used for the production of

Human insulin

Cortisoles

Ephedrine

Thyroxine

#3. DNA can be separated by

Centrifugation

X-ray crystallography

Gel electrophoresis

Autoradiography

#4. Monoclonal antibodies are produced by

DNA-RNA hybridization

Recombinant DNA technology

Somatic hybridization technology

Pure culture of cells producing antibodies

#5. Denaturation is the process of

Heating between 40 to 60°C

Heating between 72°C

None of the above

Heating between 90 to 98°C

#6. Plasmids are used in genetic engineering because they

Can integrate with hosts chromosome

Can replicate

Are inert

Are easily available

#7. Which of the following enzyme is necessary to make accurate copies of vector DNA?

RNA polymerase

Endonucleases

DNA polymerase

DNA ligase

#8. Which of the following statements are true regarding PCR?

All of the above

Primer extension occurs at 72°C

Annealing involves the binding of primer between 40 to 60°C

Denaturation involves heating at 90 to 98°C

#9. What is the process of binding of primer to the denatured strand called?

Annealing

Renaturation

None of the above

Denaturation

#10. Combining the DNA’s of two species into a single DNA molecule is called

Crossing over

Gene amplification

Genetic recombination

Recombinant DNA techniques

Finish

Results

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