Consumption of which one of the following foods can prevent the kind of blindness associated with vitamin-A deficiency?
1. | Flaver savr tomato | 2. | Canolla |
3. | Golden rice | 4. | Bt-brinjal |
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
Tailor made plants will supply which of the following alternative resources to industries
(1) Golden rice
(2) Starches
(3) Maize
(4) Pesticide
Mark the incorrect statement:
1. | By using Agrobacterium vectors nematode specific genes were introduced into the host plant. |
2. | Bacillus thuringiensis forms protein crystals during a particular phase of growth. |
3. | C-peptide is not present in mature insulin and is removed during maturation into insulin. |
4. | All vectors naturally contain antibiotic-resistance gene. |
Which of the following is / are product(s) of genetic engineering:
A. Humulin
B. Hepatitis B vaccine prepared by yeast
C. Golden rice
D. Bt cotton
(1) A, B
(2) B, C
(3) A, B, C
(4) A, B, C, D
Which of the following is correct?
(1) The procedure for chemical safety testing / toxicity is the same as that used for testing toxicity of drugs
(2) Transgenic animals are more sensitive to the toxic substances than non-transgenic animals
(3) Golden rice, a genetically engineered rice has high vitamin A (β-carotene) content
(4) All are correct
Which of the following is wrongly matched in the given table?
(i) | Golden rice | Transgenic rice | Vitamin A enriched |
(ii) | Flavr savr | Transgenic tobacco | Delayed ripening |
(iii) | Bt-cotton | Transgenic cotton | Bacterial and viral resistance |
(iv) | Rosie | Transgenic cow | milk contained human alpha antitrypsin |
1. i and ii
2. ii, iii and iv
3. ii and iii
4. Only iii