All of the following are a part of biotechnology except:
1. in vitro fertilisation leading to a ‘test-tube’ baby
2. synthesising a gene and using it
3. developing a DNA vaccine or correcting a defective gene
4. insertion of an IUD for contraception

Subtopic:  Introduction & History: I |
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Level 1: 80%+
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Tetracycline resistance gene in the vector pBR322 carries the recognition sequence for:
1. PstI 2. PvuII
3. BamH I 4. EcoR I
Subtopic:  Cloning Vector |
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If an enzyme catalyses the removal of nucleotides from the ends of DNA, then it should be called as:
1. endonuclease
2. exonuclease
3  ligase
4. reverse transcriptase

Subtopic:  Restriction Enzymes: Historical Background | Tools |
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The most critical requirement for any DNA molecule to be able to act as a cloning vector during rDNA procedures will be:
1. Ori
2. MCS
3. More than one selectable marker
4. A silent promoter
Subtopic:  Cloning Vector |
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Thermostable DNA polymerase used in PCR was isolated from:
1. Thermus aquaticus 2. Escherichia coli
3. Agrobacterium tumefaciens 4. Bacillus thuringiensis
Subtopic:  Polymerase Chain Reaction: PCR |
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Level 1: 80%+
NEET - 2023
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Assertion(A): Disarmed plasmid of Agrobacterium tumefaciens is used as a cloning vector.
Reason(R): Disarmed plasmid helps in delivering gene of our interest into monocots only
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A)
2. Both (A) and (R) are true and (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Transforming Plant & Animal Cell |
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Level 2: 60%+
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Assertion (A): Thermostable polymerase is used in a PCR (Polymerase Chain Reaction).
Reason (R): It remains active at high temperature and causes amplification of DNA during PCR.
 
1. Both (A) and (R) are True and (R) is the correct explanation of (A) 
2. Both (A) and (R) are True and (R) is not the correct explanation of (A) 
3. (A) is True, (R) is False 
4. Both (A) and (R) are False
Subtopic:  Polymerase Chain Reaction: PCR |
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Assertion: During isolation of genetic material (DNA) chilled ethanol is used.
Reason: Chilled ethanol precipitates out DNA which can be observed as collection of fine threads in the suspension.
 
1. Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
2. Both Assertion and Reason are true and the Reason is not the correct explanation of the Assertion.
3. Assertion is true but Reason is false.
4. Both Assertion and Reason are false.
Subtopic:  Separation and Isolation of DNA fragments |
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The role of sparger in sparged stirred tank bioreactor is to
1. Provide steam for sterilisation
2. Act as foam braker
3. Perform the function of flat bladed impeller
4. Produce bubbles that dramatically increase the O2 transfer area
Subtopic:  Bioreactors/Downstream Processing |
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Select a reporter enzyme that can be used to monitor transformation of host cells by foreign DNA in addition to selectable marker.
1. Protease
2. \(\beta \)-galactosidase
3. Chitinase
4. Lactase
Subtopic:  Selectable Markers |
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Level 1: 80%+
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