- 1(current)
Q. No.During the purification process for recombinant DNA technology, addition of chilled ethanol precipitates out:
| 1. | Polysaccharides | 2. | RNA |
| 3. | DNA | 4. | Histones |
Subtopic: Â General Design of an rDNA experiment |
 89%
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 the 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 True but (R) is False. |
| 2. | (A) is False but (R) is True. |
| 3. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 4. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
Subtopic: Â General Design of an rDNA experiment |
 59%
From NCERT
NEET - 2022
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NEET 2026 - Target Batch
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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
1. (a) Cellulase (b) Protease
2. (a) Cellulase (b) Chitinase
3. (a) Chitinase (b) Lipase
4. (a) Cellulase (b) Lipase
Subtopic: Â General Design of an rDNA experiment |
 93%
From NCERT
NEET - 2022
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NEET 2026 - Target Batch
Hints
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NEET 2026 - Target Batch
During the purification process for recombinant DNA technology, addition of chilled ethanol precipitates out:
| 1. | Histones | 2. | Polysaccharides |
| 3. | RNA | 4. | DNA |
Subtopic: Â Separation and Isolation of DNA fragments |Â General Design of an rDNA experiment |
 88%
From NCERT
NEET - 2021
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NEET 2026 - Target Batch
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- 1(current)
Q. No.
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