Biotechnology and Its Application: Biology

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Q.1. Polymerase chain Reaction (PCR) was discovered by

A) Eli Lilly

B) Tsan

C) Cohen

D) Kary Mullis

Q.2. The molecular binder in genetic engineering are

A) polymerase

B) endonuclease

C) ligase

D) permease    

Q.3. Taq polymerase enzymes is found in

A) Thermus aquaticus

B) E.coli

C) Pseudomonas

D) Agrobacterium

Q.4. Which enzymes is used in the polymerase chain reaction?

A) Restriction enzymes

B) Reverse transcriptase

C) Ligase

D) DNA polymerase

Q.5. Enzymes used in PCR is

A) Taq polymerase

B) gyrase

C) transcriptase

D) hexokinase

Q.6. Which of the following  is employed in recombination DNA technology ?

A) Plastids

B) Plasmids

C) Ribosomes

D) Histones

Q.7. Genetic engineering would not have been possible in the absence of

A) DNA polymerase

B) Reverse transcriptase

C) DNA ligase

D) RNA synthetase

Q.8. An attenuated virus

A) is a virus that is non-pathogenic

B) is an elongated viral particle

C) can transfer recombination DNA to other viruses

D) will not produce an immune response

Q.9. Which is the first enzymes used in the production of DNA fragments and DNA fingerprints?

A) Restriction enzymes

B) Reverse transcriptase

C) Ligase

D) DNA polymerase

Q.10. Which of the following is used in genetic engineering as well?

A) DNA Polymerase

B) Nuclease

C) Restriction endonuclease

D) RNA polymerase