Advertisements
Advertisements
प्रश्न
What is a GM crop? Name anyone such crop which is grown in India.
उत्तर
GM crops are the crops that are developed by introducing a new gene from any other source e.g. bacteria or any other organism. Bt cotton is an example of a GM crop that is made insect-resistant by introducing genes from the bacteria.
APPEARS IN
संबंधित प्रश्न
Weeds affect the crop plants by
Berseem is an important ______ crop.
______ are rich in vitamins.
______ crop grows in winter season.
Kharif crops are cultivated from ______ to ______.
Discuss the role of hybridisation in crop improvement.
Figure15.1 shows the two crop fields [Plots A and B] have been treated by manures and chemical fertilizers respectively, keeping other environmental factors the same. Observe the graph and answer the following questions.
(i) Why does plot B show a sudden increase and then a gradual decrease in yield?
(ii) Why is the highest peak in plot A graph slightly delayed?
(ii) What is the reason for the different patterns of the two graphs?
