Advertisements
Advertisements
Question
Explain the term biofortification. How is this technique useful for the production of ‘ golden rice?
Solution
Breeding of crops with higher levels of vitamins and minerals or higher proteins and healthier fats is called biofortification.
Golden rice has five times more iron than common varieties.
APPEARS IN
RELATED QUESTIONS
Describe any three potential applications of genetically modified plants.
What happens when Meloidegyne incognitia consumes cells with RNAi gene?
Answer the following question.
List any four ways by which GMOs have been useful for enhanced crop output.
Answer the following question.
List one advantage and one disadvantage of an apomictic crop.
GM crops especially Bt crops are known to have higher resistance to pest attacks. To substantiate this an experimental study was conducted in 4 different farmlands growing Bt and non Bt-Cotton crops. The farm lands had the same dimensions, fertility and were under similar climatic conditions. The histogram below shows the usage of pesticides on Bt crops and non-Bt crops in these farm lands.
- Which of the above 4 farm lands has successfully applied the concepts of Biotechnology to show better management practices and use of agrochemicals? If you had to cultivate, which crop would you prefer (Bt or Non- Bt) and why?
- Cotton Bollworms were introduced in another experimental study on the above farm lands wherein no pesticide was used. Explain what effect would a Bt and Non Bt crop have on the pest.
Which one of the followmg bacterium is used for the production of transgenic plants?
In RNAi genes are silenced using ______.
Bt toxin obtained from ______.
Tobacco plants resistant to a nematode have been developed by the introduction of DNA that produces (in the host cells).
Certain specific bacterial spores are mixed in water and sprayed over Brassica crop to control butterfly caterpillars.
Name this bacterium and its mode of action on the butterfly caterpillars.