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Q. No.How many genes are present in that chromosome of human being, the sequencing for which was completed in May 2006?
1. 231
2. 2968
3. 4698
4. 112
Subtopic: Human Genome Project |
86%
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Polymerisation of amino acids to form a polypeptide requires all of the following, except:
1. ATP
2. Polymerase
3. tRNA
4. GTP
1. ATP
2. Polymerase
3. tRNA
4. GTP
Subtopic: Translation |
53%
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The sensitivity of the DNA fingerprinting technique has been increased by the use of:
1. PCR
2. Electrophoresis
3. Blotting
4. SNPs
1. PCR
2. Electrophoresis
3. Blotting
4. SNPs
Subtopic: DNA Fingerprinting |
80%
From NCERT
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If there is mutation in the regulatory gene of lac operon as a result the codon UGA in repressor mRNA is converted to UAG, it would result:
1. No synthesis of repressor protein
2. No change in the normal function of lac operon
3. The synthesis of abnormal repressor protein
4. Irreversible binding of repressor to the promoter
1. No synthesis of repressor protein
2. No change in the normal function of lac operon
3. The synthesis of abnormal repressor protein
4. Irreversible binding of repressor to the promoter
Subtopic: Genetic Code |
55%
From NCERT
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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. |
\
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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