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Q. No.A molecule that can act as a genetic material must fulfill the traits given below, except:
1.
it should be able to express itself in the form of 'Mendelian characters'
2.
it should be able to generate its replica
3.
it should be unstable structurally and chemically
4.
it should provide the scope for slow changes that are required for evolution
Subtopic: DNA vs RNA as Genetic Material |
93%
From NCERT
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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 |
79%
From NCERT
NEET - 2023
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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%
From NCERT
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 |
79%
From NCERT
NEET - 2023
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Subtopic: Translation |
59%
From NCERT
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 |
73%
From NCERT
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 |
82%
From NCERT
NEET - 2023
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Subtopic: Human Genome Project | DNA Fingerprinting |
77%
From NCERT
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:
| 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 |
89%
From NCERT
NEET - 2023
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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'?
1. 3' ATCGATCGATCGATCGATCGATCGATCG 5'
2. 5' UAGCUAGCUAGCUAGCUAGCUAGCUAGC 3'
3. 3' UAGCUAGCUAGCUAGCUAGCUAGCUAGC 5'
4. 5' ATCGATCGATCGATCGATCGATCGATCG 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 |
51%
From NCERT
NEET - 2023
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