Golden rice is a transgenic variety of rice which contains good quantities of
-carotene (pro-vitamin-A)
-carotene (pro-vitamin-A)
-carotene (pro-vitamin-B)
All of the above
Related Questions
Cultivation of Bt cotton has been much in the news. The prefix Bt means
Barium-treated cotton seeds
Bigger thread variety of cotton with better tensile strength
Produced by biotechnology using restriction enzymes and ligases
Carrying an endotoxin gene from Bacillus thuringiensis
The fusion product of two protoplasts in somatic hybridization is called a:
Homokaryon
Cybrid
Heterokaryon
Synkaryon
Cry II Ab and cry I Ab produce toxins that control
Cotton bollworms and corn borer respectively
Corn borer and cotton bollworms respectively
Tobacco budworms and nematodes respectively
Nematodes and tobacco budworms respectively
Why is toxin not toxic to human beings?
The toxin recognises only insect specific targets
Bt toxin activation requires temperature above the human body temperature
Bt toxin formation froms pro Bt state which requires pH lower than one present in human stomach
Conversion of pro Bt to Bt state takes place only in highly alkaline condition
toxins are initially inactive protoxins but after ingestion by the insects their inactive toxin becomes active due to the
Alkaline pH of the gut
Acidic pH of the gut
Temperature of the gut
Hormone present in the gut
Which of the following crops have been brought to India from New world?
Cashew, Potato, rubber
Mango, Tea
Tea, rubber, Mango
Mango Only
Bt gene is?
Cry
cry
trp
Trp
Genetic diversity in agricultural crops is threatened by
Introduction of high yielding varieties
Intensive use of fertilizers
Extensive intercropping
Intensive use of biopesticides
RNA interference (RNAi) technology is used in agriculture for:
Increasing nutrient uptake
Enhancing photosynthesis
Pest control
Improving drought tolerance
Which of the following terms describes the inherent capacity of a plant cell to develop into an entire plant?
Pluripotency
Multipotency
Totipotency
Unipotency
