Quiz 03-November-2022

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

Genetic recombination

Recombinant DNA techniques

Crossing over

Gene amplification

#2. Denaturation is the process of

Heating between 40 to 60°C

None of the above

Heating between 72°C

Heating between 90 to 98°C

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

Denaturation

Renaturation

Annealing

None of the above

#4. DNA can be separated by

X-ray crystallography

Gel electrophoresis

Autoradiography

Centrifugation

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

Human insulin

Thyroxine

Ephedrine

Cortisoles

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

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

Denaturation involves heating at 90 to 98°C

Primer extension occurs at 72°C

All of the above

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

Primase

Endouclease

Ligase

DNA polymerase

#8. Monoclonal antibodies are produced by

Somatic hybridization technology

DNA-RNA hybridization

Recombinant DNA technology

Pure culture of cells producing antibodies

#9. At which temperature does denaturation of DNA double helix takes place?

60°C

74°C

54°C

94°C

#10. Plasmids are used in genetic engineering because they

Are inert

Are easily available

Can integrate with hosts chromosome

Can replicate

Finish

Results

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