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Q. No.Given below are two statements:
Statement I:
In eukaryotes, there are three RNA polymerases in the nucleus in addition to the RNA polymerase found in the organelle.
Statement II:
All the three RNA polymerases in eukaryotic nucleus have different roles.
In the light of the above statements, choose the correct answer from the options given below:
1. Statement I is correct but Statement II is incorrect.
2. Statement I is incorrect but Statement II is correct.
3. Both Statement I and Statement II is correct.
4. Both Statement I and Statement II is incorrect.
Subtopic: Transcription |
86%
Level 1: 80%+
NEET - 2024
Hints
Match List I with List II:
Choose the correct answer from the options given below:
1. A-IV, B-III, C- II, D- I
2. A-III, B-I, C- IV, D- II
3. A-II, B-III, C- IV, D- I
4. A-III, B-IV, C- I, D- II
| List I | List II | ||
| A. | Histones | I. | Loosely packed chromatin |
| B. | Nucleosome | II. | Densely packed chromatin |
| C. | Euchromatin | III. | Positively charged basic proteins |
| D. | Heterochromatin | IV. | DNA wrapped around histone octamer |
Choose the correct answer from the options given below:
1. A-IV, B-III, C- II, D- I
2. A-III, B-I, C- IV, D- II
3. A-II, B-III, C- IV, D- I
4. A-III, B-IV, C- I, D- II
Subtopic: DNA Packaging |
90%
Level 1: 80%+
NEET - 2024
Hints
Given below are two statements :
In the light of the above statements choose the correct answer from the options given below:
1. Statement I is True but Statement II is False
2. Statement I is False but Statement II is True
3. Both Statement I and Statement II are True
4. Both Statement I and Statement II are False
| Statement I: | In the lac operon, the z gene codes beta-galactosidase which is primary responsible for the hydrolysis of lactose into galactose and glucose. |
| Statement II: | In addition of lactose, glucose or galactose can also induce lac operon. |
1. Statement I is True but Statement II is False
2. Statement I is False but Statement II is True
3. Both Statement I and Statement II are True
4. Both Statement I and Statement II are False
Subtopic: Gene Regulation: Lac Operon |
67%
Level 2: 60%+
NEET - 2024
Hints
Given below are statements regarding RNA polymerase in prokaryotes:
In the light of the above statements, choose the correct answer from options given below:
1. Statement I is True but Statement II is False
2. Statement I is False but Statement II is True
3. Both Statement I and Statement II are True
4. Both Statement I and Statement II are False
| Statement I: | In prokaryotes, RNA polymerase is capable of catalysing the process of elongation during transcription. |
| Statement II: | RNA polymerase associates transiently with 'Rho' factor to initiate transcription. |
1. Statement I is True but Statement II is False
2. Statement I is False but Statement II is True
3. Both Statement I and Statement II are True
4. Both Statement I and Statement II are False
Subtopic: Transcription |
77%
Level 2: 60%+
NEET - 2024
Hints
In the lac operon, the i gene codes for:
1. Inducer
2. Repressor
3. \(\beta\)-galactosidase
4. Permease
1. Inducer
2. Repressor
3. \(\beta\)-galactosidase
4. Permease
Subtopic: Gene Regulation: Lac Operon |
65%
Level 2: 60%+
NEET - 2024
Hints
Which experimental material was used by Taylor and colleagues to prove that DNA in chromosomes replicates semiconservatively?
| 1. | Vicia faba | 2. | Pisum sativum |
| 3. | Solanum tuberosum | 4. | Oryza sativa |
Subtopic: DNA Replication |
93%
Level 1: 80%+
NEET - 2024
Hints
Which of the following technique was used to elucidate the double helix model of DNA?
1. \(\gamma\)-radiation
2. Electromagnetic radiation
3. UV-Vis spectroscopy
4. X-ray diffraction
1. \(\gamma\)-radiation
2. Electromagnetic radiation
3. UV-Vis spectroscopy
4. X-ray diffraction
Subtopic: DNA Double Helix |
87%
Level 1: 80%+
NEET - 2024
Hints
Which of the following is not the characteristic feature of genetic code?
| 1. | The codon is triplet |
| 2. | The code is nearly universal |
| 3. | The code has punctuations |
| 4. | Some amino acids are coded by more than one codon, hence the code is degenerate |
Subtopic: Genetic Code |
88%
Level 1: 80%+
NEET - 2024
Hints
Identify the correct statements about genetic codons.
A. AUG is initiator codon and codes for Glycine
B. UAA codes for Tyrosine
C. The codons are mostly universal
D. UAG is terminator codon
E. More than one codon code for single amino acid
A. AUG is initiator codon and codes for Glycine
B. UAA codes for Tyrosine
C. The codons are mostly universal
D. UAG is terminator codon
E. More than one codon code for single amino acid
| 1. | C, B, D | 2. | A, D, E |
| 3. | C, D, E | 4. | A, B, C |
Subtopic: Genetic Code |
78%
Level 2: 60%+
NEET - 2024
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 456731
Hints
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 456731
Match List-I with List-II
Choose the correct answer from the options given below:
| List-I | List-II | ||
| 1. | DNA fingerprinting | I. | M. Meselson and F. Stahl |
| 2. | Pneumococcus | II. | A Harshey and M. Chase |
| 3. | E.coli | III. | F. Griffith |
| 4. | Bacteriophage | IV. | Alec Jeffreys |
| 1. | A-IV, B-III, C-II, D-I | 2. | A-IV, B-III, C-I, D-II |
| 3. | A-II, B-III, C-I, D-IV | 4. | A-III, B-II, C-I, D-IV |
Subtopic: Miscellaneous |
76%
Level 2: 60%+
NEET - 2024
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 456688
Hints
Sorry!! currently, the explanation for the question is not provided. If you need further help, please email at support@neetprep.com with subject: Explanation Missing for Question Id: 456688
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