FSC Biology MCQs Part 1 bio Part 2 HSSC Pre Medical Book Questions first year and second-year bio mcqs

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Recombinant DNA contains DNA from
A. 2 different sources B. 3 different sources
C. 2 same sources D. 3 same sources
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[explanation]A[/explanation]
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Natural extrachromosomal circular DNA molecules earrying genes for antibiotic resistance and fertility
A. Recombinant DNA B. Chimaeric DNA
C. Lambda phage D. Plasmids
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[explanation]d[/explanation]
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Chimaeric DNA is also known as
A. Recombinant DNA B. Complementary DNA
C. Vector D. Plasmid
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[explanation]A[/explanation]
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A single stranded nucleotide sequence that will hybridize into a certain piece of DNA is
A. Primer B. Probe
C. Genome D. Both a & b
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[explanation]d[/explanation]
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DNA analysis is done to
A. Diagnose viral infections B. Identify criminals
C. Determine evolution D. All of these
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[explanation]d[/explanation]
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Organisms that have had a foreign gene inserted into them are
A. Transformed organisms B. Transgenic organisms
C. Transfigured organisms D. Recombinant organisms
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[explanation]b[/explanation]
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[question]
A weed engineered to produce a biodegradable plastic in cell granules is
A. Mouse-cat cress B. Mouse weed
C. Mouse-eared cress D. None of these
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[explanation]c[/explanation]
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[question]
In vortex method of transgenic animals gene is inserted
A. By hand B. Into egg
C. Both by hands and into eggs D. Is not applicable
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[explanation]b[/explanation]
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[question]
Cumulus cells are those that
A. Remain with follicular cells after ovulation occurs B. Form corpus luteum
C. Form lining of the ovary D. Cling to the egg after ovulation occurs
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[explanation]d[/explanation]
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Plasmid do not carry gene for
A. Antibiotic resistance B. Fertility
C. Growth D. Both b and c
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[explanation]c[/explanation]
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