Methods of Crop Improvement
Methods of Crop Improvement
Improvement of Crops: The period of 1960 – 1980 is called as the Golden era. India became self sufficient in food grains. In India, there are two main seasons for cultivating crops: rabi and kharif. Factors responsible for increased production of crops:
Which of the following are correct : (a) Use of improved seeds/ crops developed by plant breeding can improve crop yield. (b) Protection of plants from pests by using pesticides can improve crop yield. | |||
| Right Option : C | |||
| View Explanation | |||
Which of the following are correct : (a) Biotic factors are the diseases, insects and nematodes while abiotic factors are the drought, salinity, water logging, heat, cold and frost which affect the crop productivity. (b) Abiotic factors are the diseases, insects and nematodes while abiotic factors are the drought, salinity, water logging, heat, cold and frost which affect the crop productivity. | |||
| Right Option : A | |||
| View Explanation | |||
The crops can be made resistant from _________________ abiotic factors. | |||
| Right Option : D | |||
| View Explanation | |||
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