Advertisements
Advertisements
प्रश्न
Explain the term biofortification. How is this technique useful for the production of ‘ golden rice?
उत्तर
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
संबंधित प्रश्न
What is mycoherbicide?
What are biofertilizers? Describe their role in agriculture. Why are they preferred to chemical fertilizers?
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 ______.
Assertion (A): In Bt cotton, B. thuringiensis produces a toxic insecticidal crystalline protein which destroys bollworms.
Reason (R): B. thuringiensis produces this toxic protein in an inactive form, but when an insect ingests this inactive protein, it is converted into active form of toxin due to the alkaline pH of gut which solubilises the crystals, which is responsible for the death of bollworm.
Discuss the advantages of GMO.
Bt cotton is resistant to pest, such as lepidopteron, dipterans and coleopterans. Is Bt cotton also resistant to other pests as well?
What is meant by the term bio-pesticide? Name and explain the mode of action of a popular bio-pesticide.
On spraying Bacillus thuringiensis on an infected cotton crop field the pests are killed by the toxin, however the toxin although produced by the bacteria does not affect it. Explain giving reason.
State any two benefits of Genetically modified crops.
