- 1(current)
Q. No.Consider the given two statements:
1. Statement I is correct; Statement II is correct
2. Statement I is incorrect; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
| Statement I: | rRNA has a structural role in living organisms. |
| Statement II: | rRNA acts as the adapter molecule during the flow of genetic information in a cell. |
2. Statement I is incorrect; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Â Transcription |
 59%
Level 3: 35%-60%
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Which of the following is true for both transcription and DNA replication?
| 1. | The principle of complementarity governs the processes |
| 2. | Only if the two strands act as a template |
| 3. | Only a segment of both strands is involved |
| 4. | Adenine base pairs with thymine |
Subtopic: Â DNA Replication |Â Transcription |
 80%
Level 1: 80%+
Hints
In transcription:
1. Only I and II are correct
2. Only III and IV are correct
3. Only I and III are correct
4. Only II and IV are correct
| I: | nucleoside triphosphates are used as substrate. |
| II: | mRNA is formed in a template independent fashion. |
| III: | the rule of complementarity is applicable. |
| IV: | helix is opened by helicase. |
1. Only I and II are correct
2. Only III and IV are correct
3. Only I and III are correct
4. Only II and IV are correct
Subtopic: Â Transcription |
 60%
Level 2: 60%+
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What facilitates the opening of the helix in order to allow continued elongation of transcription?
1. RNA polymerase
2. DNA polymerase
3. DNA helicase
4. DNA ligase
Subtopic: Â Transcription |
Level 3: 35%-60%
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The promoter in a transcription unit:
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
| I: | is said to be located towards 3'-end (upstream) of the structural gene (the reference is made with respect to the polarity of template strand). |
| II: | is a DNA sequence that provides binding site for RNA polymerase. |
| III: | defines the template and coding strands. |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Â Transcription |
 57%
Level 3: 35%-60%
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Which subunit of the RNA polymerase holoenzyme allows it to initiate the process of transcription?
| 1. | Rho | 2. | Sigma |
| 3. | Omega | 4. | Epsilon |
Subtopic: Â Transcription |
 88%
Level 1: 80%+
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| Assertion (A): | Only one of the two DNA strands serves as a template for transcription. |
| Reason (R): | The other strand is called the coding strand. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A) |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A) |
| 3. | (A) is True, (R) is False |
| 4. | (A) is False, (R) is False |
Subtopic: Â Transcription |
 74%
Level 2: 60%+
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Any nucleotide sequence within a eukaryotic gene that is not expressed or operative in the final RNA product is called as the:
| 1. | Cistron | 2. | Intron |
| 3. | Exon | 4. | Recon |
Subtopic: Â Transcription |
 85%
Level 1: 80%+
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- 1(current)
Q. No.
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