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Q. No.Assertion: Viruses having RNA genome and having shorter life span mutate and evolve faster.
Reason: RNA polymerases have a higher error rate than the DNA polymerases.
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 |
From NCERT
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Assertion: DNA is dependent on RNA for synthesis of proteins.
Reason: Essential life processes have evolved around RNA.
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: Essential life processes have evolved around RNA.
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 |
63%
From NCERT
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Assertion: DNA with 15N incorporated into DNA can be distinguished from the normal DNA by centrifugation in a CsCl density gradient.
Reason: 15N is a radioactive isotope and can be easily tagged and seen on autoradiography.
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: 15N is a radioactive isotope and can be easily tagged and seen on autoradiography.
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 Replication |
69%
From NCERT
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Assertion: Ribonulceoside triphosphates provide energy for polymerization reaction during replication of DNA.
Reason: Ribonulceoside triphosphates serve dual purposes during DNA replication and act as substrate as well for polymerisation.
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: Ribonulceoside triphosphates serve dual purposes during DNA replication and act as substrate as well for polymerisation.
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 Replication |
53%
From NCERT
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Assertion: For long DNA molecules, the replication occurs within a small opening of the DNA helix, referred to as replication fork.
Reason: The separation of two strands in their entire length will be not feasible energetically.
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 separation of two strands in their entire length will be not feasible energetically.
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 Replication |
74%
From NCERT
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Assertion: A piece of DNA if needed to be propagated during recombinant DNA procedures requires a vector.
Reason: Plasmids are good cloning vectors and are extrachromosomal DNA molecules found in some 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: Plasmids are good cloning vectors and are extrachromosomal DNA molecules found in some 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: DNA Replication |
63%
From NCERT
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Assertion: The replication of DNA and cell division cycle should be highly coordinated.
Reason: A failure in cell division after DNA replication results in chromosomal anomaly.
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 failure in cell division after DNA replication results in chromosomal anomaly.
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 Replication |
79%
From NCERT
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Assertion: It is necessary to define the boundaries that would demarcate the region and the strand of DNA that would be transcribed.
Reason: Unlike DNA replication the synthesis of RNA on the template of DNA does not follow complementarity.
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: Unlike DNA replication the synthesis of RNA on the template of DNA does not follow complementarity.
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: Genetic Code | Transcription |
69%
From NCERT
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Assertion: In transcription the DNA strand that has the polarity [3’→5’] acts as the template.
Reason: RNA polymerase catalyses polymerisation in only one direction – 3’ – 5’.
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: RNA polymerase catalyses polymerisation in only one direction – 3’ – 5’.
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: Transcription |
67%
From NCERT
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Assertion (A): In transcription the strand that does not code for anything is referred to as the coding strand.
Reason (R): All the reference point while defining a transcription unit is made with coding strand.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Reason (R): All the reference point while defining a transcription unit is made with coding strand.
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic: Transcription |
62%
From NCERT
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