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Q. No.If DNA contained sulphur instead of phosphorus and proteins contained phosphorus instead of sulfur, what would have been the outcome of Hershey and Chase experiment?
1.
No radioactive sulfur in bacterial cells
2.
Both radioactive sulfur and phosphorus in bacterial cells
3.
Radioactive sulfur in bacterial cells
4.
Radioactive phosphorus in bacterial cells
Subtopic: Search for Genetic Material |
73%
Level 2: 60%+
NEET - 2022
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NEET 2026 - Target Batch - Vital
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Against the codon 5' UAC 3', what would be the sequence of anticodon on tRNA?
| 1. | 5' AUG 3' | 2. | 5' ATG 3' |
| 3. | 5' GTA 3' | 4. | 5' GUA 3 |
Subtopic: Translation |
Level 3: 35%-60%
NEET - 2022
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NEET 2026 - Target Batch - Vital
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Assertion: If each strand from a DNA acts as a template for the synthesis of a new strand, the two double stranded DNA thus, produced would be identical to the parental DNA molecule.
Reason: The two strands in a double stranded DNA molecule are identical to each other and antiparallel.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but 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
Reason: The two strands in a double stranded DNA molecule are identical to each other and antiparallel.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but 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: DNA Double Helix | DNA Replication |
Level 3: 35%-60%
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Assertion: A set of positively charged and basic proteins are used in the packaging of Eukaryotic DNA.
Reason: DNA has a negative charge and is an acid.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but 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.
Reason: DNA has a negative charge and is an acid.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but 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: DNA Packaging |
71%
Level 2: 60%+
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Assertion: S-strain of Streptococcus pneumoniae is virulent.
Reason: R-strain bacteria can be transformed by the heat-killed S-strain bacteria.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but 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.
Reason: R-strain bacteria can be transformed by the heat-killed S-strain bacteria.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but 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: Search for Genetic Material |
75%
Level 2: 60%+
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Assertion: In Avery, Macleod and McCarty experiment, digestion of heat-killed lysate with proteases and RNases did not affect transformation but digestion with DNase did.
Reason: DNA is the transforming principle.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but 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.
Reason: DNA is the transforming principle.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but 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: Search for Genetic Material |
84%
Level 1: 80%+
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Assertion: Even after the results of Avery, Macleod and McCarty experiment, not all biologists were convinced that DNA is the hereditary material.
Reason: Proteins were shown to have a great diversity and capability of replication.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but 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.
Reason: Proteins were shown to have a great diversity and capability of replication.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but 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: Search for Genetic Material |
58%
Level 3: 35%-60%
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Assertion: Viruses grown in the presence of radioactive phosphorus will contain radioactive DNA but not radioactive proteins.
Reason: Protein did not enter the bacteria from the viruses in the experiment.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but 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
Reason: Protein did not enter the bacteria from the viruses in the experiment.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but 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: Search for Genetic Material |
51%
Level 3: 35%-60%
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Assertion: A molecule that can act as a genetic material should be able to generate its replica.
Reason: A molecule that can act as a genetic material should be stable chemically and structurally.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but 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.
Reason: A molecule that can act as a genetic material should be stable chemically and structurally.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but 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: DNA vs RNA as Genetic Material |
79%
Level 2: 60%+
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Assertion: The two strands of a DNA molecule, if separated by heating, can come together when appropriate conditions are provided.
Reason: Heating breaks the hydrogen bonds between nitrogenous bases and leads to denaturation of DNA.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but 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.
Reason: Heating breaks the hydrogen bonds between nitrogenous bases and leads to denaturation of DNA.
1. Both assertion and reason are true and the reason is the correct explanation of the assertion.
2. Both assertion and reason are true but 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: Search for Genetic Material |
50%
Level 3: 35%-60%
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