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प्रश्न
What are cry-proteins?
उत्तर
Bacillus thuringiensis secretes harmful proteins known as insecticidal proteins in the form of cry proteins during a certain growth step. Cry, a gene, codes for the toxin. B. thuringiensis cry protein-encoding genes, often known as Bttoxin genes, have been identified and inserted into numerous crop plants, including Bt cotton, Bt com, etc., to give insect pest resistance.
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संबंधित प्रश्न
Crystals of Bt toxin produced by some bacteria do not kill the bacteria themselves because −
Answer the following question.
List any four ways by which GMOs have been useful for enhanced crop output.
Bt brinjal is an example of transgenic crops. In this Btrefers to ______.
A protoxin is ______.
Golden Rice:
A. GM rice
B. Rich in Vit A
C. Prevents blindness
D. Bruise resistant
In view of the current food crisis, it is said, that we need another green revolution. Highlight the major limitations of the earlier green revolution.
What are the various advantages of using genetically modified plants to increase the overall yield of the crop?
Explain with the help of one example how genetically modified plants can:
- Reduce usage of chemical pesticides
- Enhance nutritional value of food crops
With the help of a suitable example, explain how cry-proteins acts as a biological pesticide.
State any two benefits of Genetically modified crops.
