Download PDF – Biotechnology: Principles and Processes – Biology (Class 12th) Revision Test | MCQs for NEET

Biotechnology: Principles and Processes – Biology (Class 12th) Revision Test | MCQs for NEET

Q1. Biolistics (gene gun) is suitable for

A) introducing rDNA into plant cells

B) introducing rDNA into animal cells

C) disarming the pathogen vectors

D) DNA fingerprinting.

Answer: (A)

Biolistics (gene gun) is suitable for introducing rDNA into plant cells

Q2. In genetic engineering experiments, restriction enzymes are used for

A) viral DNA

B) bacterial DNA

C) eukaryotic DNA

D) any type of DNA.

Answer: (B)

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

A) polymerase chain reaction

B) gel electrophoresis

C) density gradient centrifugation

D) any of the above

Answer: (B)

The DNA fragments produced by the use of restriction endonucleases can be separated by gel electrophoresis

Q4. Plasmids in bacterial cells are

A) extra-chromosomal DNA, which cannot replicate

B) extra-chromosomal DNA, which can . self-replicate

C) extra DNA associated with the genome

D) extra DNA, associated with the genome, but cannot replicate.

Answer: ()

Plasmids in bacterial cells are extra-chromosomal DNA, which can . self-replicate

Q5. The DNA polymerase enzyme used in PCR is obtained from

A) Thermus aquaticus

B) Escherichia coli

C) Agrobacterium tumefaciens

D) Salmonella typhimurium

Answer: (A)

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?

A) Lysozyme

B) Ribonuclease

C) Deoxyribonuclease

D) Protease

Answer: (A)

Lysozyme is not used

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