Mark the incorrect option w,r,t, lac operon
1. Is under positive as well as negative control
2. Controls catabolic pathway 
3. Shows feed back repression 
4. Discovered by Jacob and Monod

Subtopic:  Gene Regulation: Lac Operon |
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How many locations have been identified in human genome where single base differences occur?
1. 1.4 million 
2. 14 million 
3. 1.4 billion 
4. 14 billion 
Subtopic:  Human Genome Project |
 85%
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What is incorrect for human chromosome 1?
1. It is one of the largest chromosome 
2. Its sequence was completed in may 2007
3. It has maximum number of genes 
4. It was the last chromosome to be sequenced 
Subtopic:  Human Genome Project |
 80%
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The non-human model organisms sequenced in Human Genome project were
1. A nematode and fruit fly
2. Wheat and rice 
3. Fish and birds
4. Garden pea and fruit fly 
Subtopic:  Human Genome Project |
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Mark the correct one (w.r.t. application of DNA fingerprinting)
1. Forensic science 
2. Determining the population diversity 
3. Determining the genetic diversity 
4. More then one option is correct 
Subtopic:  DNA Fingerprinting |
 82%
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Read the following statements:
A. Variation at genetic level arises due to mutation. 
B. Technique of DNA fingerprinting was initially developed by Alec Jeffreys
1. Only (B) is correct 
2. Both (A) and (B) are correct 
3. Only (A) is correct 
4. Both (A) and (B) are incorrect
Subtopic:  DNA Fingerprinting |
 94%
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In DNA fingerprinting, detection of hybridised DNA fragments is possible by 
1. Electrophoresis
2. Botting 
3. Autoradiography
4. Centrifugation 
Subtopic:  DNA Fingerprinting |
 72%
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The nitrogenous base not present in DNA is
1. Adenine
2. Thymine
3. Cytosine
4. Uracil
 
Subtopic:  DNA vs RNA as Genetic Material |
 92%
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Amongst the following, which one has least number of nucleotides in its genome?
1. \(\phi \cdot \times 174 \) bacteriophage
2. E. coli
3. Human 
4. Lambda phage 
Subtopic:  The DNA |
 77%
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The double helix model for the structure of DNA proposed by Watson and Crick was based on 
1. Visible light spectrum analysis 
2. Chromatography
3. X-ray diffraction data 
4. Autoradiography 
Subtopic:  The DNA |
 91%
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