Bio - Technology — Biology MCQs (Class 12)
Free chapter-wise Biology MCQs with answers for MDCAT, FSc and entry tests.
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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
#2 The primer used in PCR has a sequence of
A) 8 bases
B) 12 bases
C) 16 bases
D) 20 bases
#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
#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
#5 A sticky end is created by
A) Restriction enzyme
B) RNA polymerase
C) DNA polymerase
D) A detergent
#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
#7 DNA is
A) Negatively charged
B) Positively charged
C) Neutral
D) Non - polar
#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
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