Biology MCQs

Biology

Bio - Technology


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#1

The recombinant DNA, which is formed by joining two different pieces of donor and vector, is know as?

A)  Duplex DNA

B)  Complementary DNA

C)  Single Stranded DNA

D)  Chimeric DNA

Answer:   D
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#2

The primer used in PCR has a sequence of

A)  8 bases

B)  12 bases

C)  16 bases

D)  20 bases

Answer:   D
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#3

Which one of the following acts as a host during the production of insulin by recombinant DNA technology?

A)  Plasmid

B)  Bacterial cell

C)  Eukaryotic cell

D)  Recombinant DNA

Answer:   B
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#4

Use of live organisms and their products for the benefit of man kind is termed as

A)  Genetic engineering

B)  Bio-technology

C)  Molecular biology

D)  Genetics

Answer:   B
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#5

A sticky end is created by

A)  Restriction enzyme

B)  RNA polymerase

C)  DNA polymerase

D)  A detergent

Answer:   A
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#6

DNA polymerase used in PCR technique

A)  Denatures at 30° C

B)  Denatures at 50° C

C)  Denatures at 70° C

D)  Is temprature resistant

Answer:   D
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#7

DNA is

A)  Negatively charged

B)  Positively charged

C)  Neutral

D)  Non - polar

Answer:   A
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#8

Taq DNA polymerase is extracted from a bacterium that lives in

A)  Gut of man

B)  Hot water spring

C)  Aerated soil

D)  Ice water

Answer:   B
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