Entry Test MCQ :: Biotechnology
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1. |
Recombinant DNA contains DNA from |
A. |
2 different sources |
B. |
3 different sources |
C. |
2 same sources |
D. |
3 same sources |
Answer: Option A
Explanation:
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2. |
First restriction enzyme was isolated by |
A. |
Kary Mullis |
B. |
Hamilton O. Smith |
C. |
Maxam Gilbert |
D. |
Hamilton John |
Answer: Option B
Explanation:
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3. |
Commonly used restriction enzyme is |
A. |
pSC 101 |
B. |
pBR 322 |
C. |
EcoRI |
D. |
All of these |
Answer: Option C
Explanation:
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4. |
Natural extrachromosomal circular DNA molecules earrying genes for antibiotic resistance and fertility |
A. |
Recombinant DNA |
B. |
Chimaeric DNA |
C. |
Lambda phage |
D. |
Plasmids |
Answer: Option D
Explanation:
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5. |
Which one has antibiotic resistance gene for tetracycline and ampicillin? |
A. |
pSC 101 |
B. |
pBR 322 |
C. |
pCR 322 |
D. |
None of these |
Answer: Option B
Explanation:
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6. |
The enzyme which seals the foreign DNA into the vector is |
A. |
Restriction endonuclease |
B. |
DNA polymerase |
C. |
DNA ligase |
D. |
DNA mutase |
Answer: Option C
Explanation:
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7. |
Chimaeric DNA is also known as |
A. |
Recombinant DNA |
B. |
Complementary DNA |
C. |
Vector |
D. |
Plasmid |
Answer: Option A
Explanation:
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8. |
Lambda phage is |
A. |
Virus |
B. |
Bacterium |
C. |
Plasmid |
D. |
Host cell |
Answer: Option A
Explanation:
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9. |
A genomic library is a collection of |
A. |
Bacterial clones |
B. |
Bacteriophage clones |
C. |
Viral clones |
D. |
Both a and b |
Answer: Option D
Explanation:
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10. |
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 |
Answer: Option D
Explanation:
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