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Q. No.Unequivocal proof that DNA is the genetic material was first proposed by:
1. Wilkins and Franklin
2. Frederick Griffith
3. Alfred Hershey and Martha Chase
4. Avery, Macleod and McCarthy
1. Wilkins and Franklin
2. Frederick Griffith
3. Alfred Hershey and Martha Chase
4. Avery, Macleod and McCarthy
Subtopic: Search for Genetic Material |
81%
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Expressed Sequence Tags (ESTs) refers to:
1. Certain important expressed genes.
2. All genes that are expressed as RNA.
3. All genes that are expressed as proteins.
4. All genes whether expressed or unexpressed
1. Certain important expressed genes.
2. All genes that are expressed as RNA.
3. All genes that are expressed as proteins.
4. All genes whether expressed or unexpressed
Subtopic: Human Genome Project |
68%
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NEET - 2023
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What is the role of RNA polymerase III in the process of transcription in Eukaryotes?
1. Transcription of only snRNAs
2. Transcription of rRNAs (28S, 18S and 5.8S)
3. Transcription of tRNA, 5 srRNA and snRNA
4. Transcription of precursor of mRNA
1. Transcription of only snRNAs
2. Transcription of rRNAs (28S, 18S and 5.8S)
3. Transcription of tRNA, 5 srRNA and snRNA
4. Transcription of precursor of mRNA
Subtopic: Transcription |
81%
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NEET - 2023
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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 incorrect but Statement II is correct.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is correct but Statement II is incorrect.
| Statement I: | In prokaryotes, the positively charged DNA is held with some negatively charged proteins in a region called nucleoid. |
| Statement II: | In eukaryotes, the negatively charged DNA is wrapped around the positively charged histone octamer to form nucleosome. |
1. Statement I is incorrect but Statement II is correct.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is correct but Statement II is incorrect.
Subtopic: DNA Packaging |
75%
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NEET - 2023
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Match List I with List II
Choose the correct answer from the options given below:
| List I | List II | ||
| A. | Gene 'a' | I. | \(\beta\)-galactosidase |
| B. | Gene 'y' | II. | Transacetylase |
| C. | Gene 'i' | III. | Permease |
| D. | Gene 'z' | IV. | Repressor protein |
Choose the correct answer from the options given below:
| Options: | A | B | C | D |
| 1. | III | I | IV | II |
| 2. | II | I | IV | III |
| 3. | II | III | IV | I |
| 4. | III | IV | I | II |
Subtopic: Gene Regulation: Lac Operon |
85%
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Subtopic: Human Genome Project | DNA Fingerprinting |
79%
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Given below are two statements:
In the light of the above statements, choose the correct answer from the options given below:
| Statement I: | RNA mutates at a faster rate. |
| Statement II: | Viruses having RNA genome and shorter life span mutate and evolve faster. |
| 1. | Statement I is false but Statement II is true. |
| 2. | Both Statement I and Statement II are true. |
| 3. | Both Statement I and Statement II are false. |
| 4. | Statement I is true but Statement II is false. |
Subtopic: DNA vs RNA as Genetic Material |
91%
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Which one of the following is the sequence on corresponding coding strand, if the sequence on mRNA formed is as follows
5'AUCGAUCGAUCGAUCGAUCGAUCGAUCG 3'?
5'AUCGAUCGAUCGAUCGAUCGAUCGAUCG 3'?
| 1. | 3' ATCGATCGATCGATCGATCGATCGATCG 5' |
| 2. | 5' UAGCUAGCUAGCUAGCUAGCUAGCUAGC 3' |
| 3. | 3' UAGCUAGCUAGCUAGCUAGCUAGCUAGC 5' |
| 4. | 5' ATCGATCGATCGATCGATCGATCGATCG 3' |
Subtopic: Transcription: I | Transcription:II | Transcription: III | Transcription: IV | Transcription |
52%
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The last chromosome sequenced in Human Genome project was:
| 1. | Chromosome 6 | 2. | Chromosome 1 |
| 3. | Chromosome 22 | 4. | Chromosome 14 |
Subtopic: Human Genome Project |
76%
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Name the component that binds to the operator region of an operon and prevents RNA polymerase from transcribing the operon.
| 1. | Promotor | 2. | Regulator protein |
| 3. | Repressor protein | 4. | Inducer |
Subtopic: Gene Regulation: Lac Operon |
75%
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NEET - 2023
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