During the purification process for recombinant DNA technology, addition of chilled ethanol precipitates out:
1. Polysaccharides  2. RNA 
3. DNA  4. Histones 
Subtopic:  General Design of an rDNA experiment |
 87%
From NCERT
NEET - 2023
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Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A): In rDNA technology non-recombinants transformed bacteria grow on the medium containing ampicillin as well as medium containing tetracycline 
Reason (R): Recombinant plasmids contain the foreign gene of interest.


In the light of the above statements, choose the correct answer from the options given below: 

1. (A) is correct but (R) is not correct.
2. (A) is not correct but (R) is correct.
3. Both (A) and (R) are correct and (R) is the correct explanation of (A).
4. Both (A) and (R) are correct but (R) is not the correct explanation of (A).
Subtopic:  General Design of an rDNA experiment |
 57%
From NCERT
NEET - 2022
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The enzyme (a) is needed for isolating genetic material from plant cells and enzyme (b) for isolating genetic material from fungus. Choose the correct pair of options from the following :
1. (a) Cellulase (b) Protease
2. (a) Cellulase (b) Chitinase
3. (a) Chitinase (b) Lipase
4. (a) Cellulase (b) Lipase
Subtopic:  General Design of an rDNA experiment |
 92%
From NCERT
NEET - 2022
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NEET 2025 - Target Batch
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During the purification process for recombinant DNA technology, addition of chilled ethanol precipitates out:

1. Histones 2. Polysaccharides
3. RNA 4. DNA

Subtopic:  Separation and Isolation of DNA fragments | General Design of an rDNA experiment |
 87%
From NCERT
NEET - 2021
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NEET 2025 - Target Batch
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