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Q1. Free-living organisms in the environment which have had a foreign gene inserted to them are termed:

A. Ex vivo organisms.
B. In vivo organisms.
C. Intergenic organisms.
D. Transgenic organisms.
E. Transformable organisms.

Q2. The method used to match the evidence at a crime scene to a suspect would be:

A. DNA probe.
B. Recombinant DNA method.
C. Polymerase chain reaction.
D. DNA finger-printing.
E. PCR followed through DNA finger-printing.

Q3. Human genome is estimated to carry ____ genes.

A. 300
B. 3000
C. 30,000
D. 300,000
E. 3,000,000

Q4. Retroviruses:

A. are DNA viruses.
B. is utilized to create genomic libraries.
C. Produce DNA in a host from their viral RNA genes.
D. is utilized to carry recombinant DNA to plant cells.

Q5. The initial forms of life on earth are found in rocks.

A. 1 million years old.
B. 4 million years old.
C. 1 billion years old.
D. 3.5 billion years old.
E. 4.6 billion years old.

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  • Category:- Biology
  • Reference No.:- M99331

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