Bt cotton is not:

1. A GM plant
2. Insect resistant
3. A bacterial gene expressing system
4. Resistant to all pesticides

Subtopic:  Bt Crops |
 78%
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C-peptide of human insulin is:
1. A part of mature insulin molecule
2. Responsible for formation of disulphide bridges
3. Removed during maturation of pro-insulin to insulin
4. Responsible for its biological activity

Subtopic:  Med Applications & Humulin |
 93%
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A probe which is a molecule used to locate homologous sequences in a mixture of DNA or RNA molecules could be:

1. A ssRNA 2. A ssDNA
3. Either RNA or DNA 4. Can be ssDNA but not ssRNA
Subtopic:  Gene Therapy |
 69%
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A protoxin is:

1. A primitive toxin 2. A denatured toxin
3. Toxin produced by protozoa 4. Inactive toxin
Subtopic:  Bt Crops |
 89%
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The trigger for activation of toxin of Bacillus thuringiensis is:

1. Acidic pH of stomach
2. High temperature
3. Alkaline pH of gut
4. Mechanical action in the insect gut

Subtopic:  Bt Crops |
 95%
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ADA is an enzyme which is deficient in a genetic disorder SCID. What is the full form of ADA?

1. Adenosine deoxyaminase 2. Adenosine deaminase
3. Aspartate deaminase 4. Arginine deaminase
Subtopic:  Gene Therapy | Molecular Diagnosis |
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Silencing of a gene could be achieved through the use of:

1. RNAi only 2. antisense RNA only
3. both RNAi and antisense RNA 4. none of the above
Subtopic:  Interference RNA Tech |
 80%
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The term ‘totipotency’ refers to the capacity of a:

1. cell to generate the whole plant

2. bud to generate the whole plant

3. seed to germinate

4. cell to enlarge in size

Subtopic:  Plant Tissue Culture |
 93%
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The plantlets produced during plant tissue culture are called somaclones because:

1. They can be produced in a very short span of time
2. They are the result of the somatic hybridization of two cells
3. The gametes develop parthenogenetically to produce genetically identical plantlets
4. They are genetically identical to the original plant from which they were grown

Subtopic:  Plant Tissue Culture |
 73%
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RNAi, as a mechanism of cellular defense, takes place in:

1. All bacteria 2. All unicellular organisms
3. All plants only 4. All eukaryotic organisms
Subtopic:  Interference RNA Tech |
 80%
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