Sir Godfrey Hounsfield developed the diagnostic technique of:
1. CT scanning
2. MRI
3. Endoscopy
4. Bronchoscopy
Nucleic acid segment tagged with a radioactive molecule is called:
1. clone
2. probe
3. plasmid
4. vector
Herbicide-resistant gene in a plant is:
1. Mt
2. Gt
3. Ct
4. Bt
Which of the following is true for Golden rice?
1. | It has yellow grains, because of gene introduced from a primitive variety of rice |
2. | It is Vitamin A enriched, with a gene from daffodil |
3. | It is pest resistant, with a gene from Bacillus thuringiensis |
4. | It is drought tolerant, developed using Agrobacterium vector |
The mobile genetic element is:
1. transposon
2. mutation
3. endonuclease
4. variation
Bacillus thuringiensis (Bt) strains have been used for designing novel:
1. Bio metallurgical technique
2. Bio mineralization processes
4. Bio insecticidal plants
4. Bio fertilizers
The protein a -1 antitrypsin is used to treat which of the following diseases?
1. Cancer
2. Rheumatoid arthritis
3. Emphysema
4. ADA deficiency disease in children
Microbes found to be very useful in genetic engineering are:
1. Escherichia coli and Agrobacterium tumefaciens
2. Vibrio cholerae and a tailed bacteriophage
3. Diplococcus sp. and Pseudomonas sp.
4. Crown gall bacterium and caenorhabditis elegans
Golden rice is a promising transgenic crop. When released for cultivation, it will help in:
1. alleviation of vitamin-A deficiency
2. pest resistance
3. herbicide tolerance
4. producing a petrol-like fuel from rice
Why does Bt toxin not kill Bacillus thuringiensis?
1. The bacillus keeps proteins in inclusions
2. The toxin exists in the bacillus as a pro-toxin
3. The bacillus protects its genetic material by methylation
4. The bacillus has a tough cell wall of peptidoglycan