First transgenic plant:
1. Potato
2. Tomato
3. Tobacco
4. Maize
Dolly sheep was obtained by:
1. | Cloning the udder cell (somatic cell) fused with unnucleated oocyte |
2. | Cloning of gametes |
3. | Tissue culture |
4. | None |
Minute quantities of hormones & steroids is detected by:
1. Electrophoresis
2. Radioimmunoassay
3. Electroencephalogram
4. Fractional analysis
E. coli is used in the production of:
1. Rifampicin
2. LH
3. Ecdyson
4. Interferon
First cloned animal:
1. Dolly sheep
2. Polly sheep
3. Molly sheep
4. Dog
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Triticale is obtained by crossing wheat with:
1. | Oat | 2. | Barley |
3. | Maize | 4. | Rye |
What is the reason for the formation of embryoids from pollen grain in tissue culture medium?
1. | Cellular totipotency | 2. | Organogenesis |
3. | Double fertilization | 4. | Test tube culture |
The introduction of food plants developed by genetic engineering is not desirable because:
1. | Economy of developing countries may suffer |
2. | These products are less tasty as compared to the already existing products |
3. | This method is costly |
4. | There is a danger of coming viruses, allergens, and toxins with introduced crop |
Cellular totipotency is demonstrated by:
1. | Only gymnosperm cells | 2. | All plant cells |
3. | All eukaryotic cells | 4. | Only bacterial cells |
ELISA is used to detect viruses where the key reagent is:
1. Alkaline phosphatase
2. Catalase
3. DNA probe
4. RNase