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Q. No.Given below are two statements:
Assertion (A):
DNA is the carrier of genetic information.
Reason (R):
It is transmitted from one generation to the other without any change or alternation.
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.
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Subtopic: The DNA |
58%
From NCERT
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A segment of DNA is as follows:
5' – TAACGTGGATCT – 3'
Which of the following the result of frame shift mutation?
1. 5' – TAACGTCCATCT - 3'
2. 5' - TAACCATCT - 3'
3. 5' – TAAGTGGATCTC – 3'
4. 5' – TAAGGTGGATCT – 3'
5' – TAACGTGGATCT – 3'
Which of the following the result of frame shift mutation?
1. 5' – TAACGTCCATCT - 3'
2. 5' - TAACCATCT - 3'
3. 5' – TAAGTGGATCTC – 3'
4. 5' – TAAGGTGGATCT – 3'
Subtopic: Mutations and Genetic Code |
From NCERT
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Chromosome walking is?
1. used in genetic mapping
2. observed during mitosis
3. to see position of Ribosomes on nuclear membrane
4. to check the expression of mutant genes
1. used in genetic mapping
2. observed during mitosis
3. to see position of Ribosomes on nuclear membrane
4. to check the expression of mutant genes
Subtopic: Human Genome Project |
53%
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During DNA replication, supercoiling is relaxed by:
1. Primase
2. Polymerase
3. DNA Topoisomerase
4. SSBPs
1. Primase
2. Polymerase
3. DNA Topoisomerase
4. SSBPs
Subtopic: DNA Replication |
70%
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Which of the following is not true?
| 1. | β-Galactosidase–Lac operon |
| 2. | Photorespiration–C3 plants |
| 3. | Krebs cycle–mitochondrial matrix |
| 4. | Southern Hybridization–related to identification of RNA sequence |
Subtopic: DNA Fingerprinting |
89%
From NCERT
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Subtopic: Genetic Code |
90%
From NCERT
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In DNA 20% bases are adenine. What percentage of bases are pyrimidines?
1. 30%
2. 60%
3. 50%
4. 20%
1. 30%
2. 60%
3. 50%
4. 20%
Subtopic: The DNA |
51%
From NCERT
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Subtopic: Translation |
74%
From NCERT
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Minisatellites or VNTR's are used in:
1. DNA Fingerprinting
2. Polymerase Chain Reaction, (PCR)
3. gene therapy
4. gene mapping
1. DNA Fingerprinting
2. Polymerase Chain Reaction, (PCR)
3. gene therapy
4. gene mapping
Subtopic: DNA Fingerprinting |
92%
From NCERT
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hnRNA undergoes two additional processes. Out of them in one process an unusual nucleotide (methyl GPT) is added to the 5' end of the molecule. What would you call this?
1. Tailing
2. Splicing
3. Termination
4. Capping
1. Tailing
2. Splicing
3. Termination
4. Capping
Subtopic: Transcription |
85%
From NCERT
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