Which of the following is not a property of the genetic code?
1. Non-overlapping
2. Ambiguous
3. Degeneracy
4. Universal

Subtopic:  Genetic Code |
 77%
Level 2: 60%+
NEET - 2013
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Satellite RNA are present in some: 
1. Viroids 
2. Prions 
3. Bacteriophages
4. Plant viruses 
Subtopic:  DNA Fingerprinting |
Level 3: 35%-60%
NEET - 2013
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Why is a capsule advantageous to a bacterium?
 
1. It protects the bacterium from desiccation
2. It provides means of locomotion
3. It allows the bacterium to "hide" from the host's immune system.
4. It allows the bacterium to attach to the surface
Subtopic:  Search for Genetic Material:I |
 50%
Level 3: 35%-60%
NEET - 2013
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The figure gives an important concept in the genetic implication of DNA. Fill in the blanks A, B and C.
1. A - Maurice Wilkins B - transcription C - translation
2. A - James Watson B - replication C - extension
3. A - Erwin Chargaff B - translation C - replication
4. A - Francis Crick B - translation C - transcription
Subtopic:  DNA Double Helix | DNA Replication |
 91%
Level 1: 80%+
NEET - 2013
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In an inducible operon, the genes are:
1. usually not expressed unless a signal turns them "on"
2. usually expressed unless a signal turns them "off"
3. never expressed
4. always expressed
Subtopic:  Gene Regulation: Lac Operon |
 69%
Level 2: 60%+
NEET - 2013
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One of the most frequently used techniques in DNA fingerprinting is:
1. VNTR
2. SSCP
3. SCAR
4. AFLP
Subtopic:  DNA Fingerprinting |
 94%
Level 1: 80%+
NEET - 2013
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The unequivocal proof of DNA as the genetic material came from the studies on:

1. Bacterial virus 2. Bacterium
3. Fungus 4. Viroid

Subtopic:  Search for Genetic Material |
 67%
Level 2: 60%+
AIPMT - 2011
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In the history of biology, the human genome project led to the development of:
1. Biosystematics
2. Biotechnology
3. Biomonitoring
4. Bioinformatics

Subtopic:  Human Genome Project |
 87%
Level 1: 80%+
AIPMT - 2011
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The 3'-5' phosphodiester linkages inside a polynucleotide chain serve to join:

1. One nucleoside with another nucleoside
2. One nucleotide with another nucleotide
3. One nitrogenous base with pentose sugar
4. One DNA strand with the other DNA strand
Subtopic:  The DNA |
 76%
Level 2: 60%+
AIPMT - 2010
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Which one of the following statements about the particular entity is true:
 

1. The gene for producing insulin is present in every body cell
2. Nucleosome is formed of nucleotides
3. DNA consists of a core of eight histones
4. Centromere is found in animals cells, which produces aster during cell division
Subtopic:  DNA Packaging |
Level 3: 35%-60%
AIPMT - 2010
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