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Q. No.Polymorphism in DNA sequence is the basis of which of the following?
(a) Genetic mapping of human genome
(b) DNA fingerprinting
(c) Similarities among human beings
1. Only (a)
2. Only (b)
3. Only (a) and (b)
4. Only (b) and (c)
Subtopic: Human Genome Project | DNA Fingerprinting |
85%
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Satellite DNA
1. Codes for proteins which are needed in the chloroplast
2. Codes enzymes for Krebs' cycle
3. Does not code for proteins
4. Form a little portion of human genome
1. Codes for proteins which are needed in the chloroplast
2. Codes enzymes for Krebs' cycle
3. Does not code for proteins
4. Form a little portion of human genome
Subtopic: DNA Fingerprinting |
75%
From NCERT
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Which one of the following statements is not correct w.r.t. DNA packaging?
1. Histones are rich in basic amino acids, lysines and arginines
2. Positively charged DNA is wrapped around the negatively charged histone octamer to form a nucleosome
3. Linker DNA contains about 80 bp
4. Loosely packed chromatins are euchromatin
1. Histones are rich in basic amino acids, lysines and arginines
2. Positively charged DNA is wrapped around the negatively charged histone octamer to form a nucleosome
3. Linker DNA contains about 80 bp
4. Loosely packed chromatins are euchromatin
Subtopic: DNA Packaging |
84%
From NCERT
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A. The nascent RNA synthesised by RNA polymerase II is called hnRNA.
B. Splicing is the process of removal of introns and joining of exons in a defined order.
1. Only A is correct
2. Both A and B are incorrect
3. Only B is correct
4. Both A and B are correct
B. Splicing is the process of removal of introns and joining of exons in a defined order.
1. Only A is correct
2. Both A and B are incorrect
3. Only B is correct
4. Both A and B are correct
Subtopic: Transcription |
79%
From NCERT
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In an mRNA, UTRs are present
1. AT 5' end only
2. Before stop codon only
3. After start codon only
4. Both, before start codon after stop codon
1. AT 5' end only
2. Before stop codon only
3. After start codon only
4. Both, before start codon after stop codon
Subtopic: Translation |
92%
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Human genome project was closely associated with the rapid development of a new area in biology called _____.
1. Biotechnology
2. Bioinformatics
3. Biofortification
4. Microbiology
1. Biotechnology
2. Bioinformatics
3. Biofortification
4. Microbiology
Subtopic: Human Genome Project |
93%
From NCERT
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The technique of DNA fingerprinting was developed by
1. Lalji Singh
2. V.K. Kashyap
3. Alec Jeffreys
4. Kim and Klug
1. Lalji Singh
2. V.K. Kashyap
3. Alec Jeffreys
4. Kim and Klug
Subtopic: DNA Fingerprinting |
95%
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Monocistronic structural genes are found mostly in
1. Bacteria
2. Blue-gree algae
3. Monerans
4. Eukaryotes
1. Bacteria
2. Blue-gree algae
3. Monerans
4. Eukaryotes
Subtopic: Transcription |
79%
From NCERT
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To catalyse the transcription of all types of RNA in bacteria, how many type(s) of DNA-dependent RNA polymerase is/are present in them?
1. Two
2. Three
3. Five
4. One
1. Two
2. Three
3. Five
4. One
Subtopic: Transcription |
61%
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The existence of complementarity with DNA is not seen during the process of
1. Replication
2. Reverse transcription
3. Translation
4. Transcription
1. Replication
2. Reverse transcription
3. Translation
4. Transcription
Subtopic: Translation |
72%
From NCERT
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