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प्रश्न
It is said, that diseases are spreading faster due to globalisation and increased movement of people. Justify the statement taking the example of H5N1 virus.
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उत्तर
Diseases are spreading faster due to globalisation and increased movement of people because it is responsible for rapid spreading of infectious diseases.
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संबंधित प्रश्न
Which steps would you follow to develop a new variety of crop plant by selective breeding?
Suggest four important steps to produce a disease resistant plant through conventional plant breeding technology.
Identify 'A', 'B', 'C' and 'D' in the given table.
| Crop | Variety | Resistance to disease |
| A | Himgiri | Leaf rust |
| Cauliflower | Pusa Shubhra | B |
| Brassica | Pusa Swarnim | C |
| Cowpea | D | Bacterial blight |
How has mutation breeding helped in improving the production of mung bean crop?
Name any two common Indian millet crops.
What is heterosis?
Define the term water potential.
Answer the following question.
How did plant breeding techniques help north Indian farmers to develop cane with desired characters?
Give an account of mutation breeding with examples.
Describe briefly various steps of plant breeding methods.
If a diploid cell is treated with colchicine then it becomes:
Match the columns-
| Column A | Column B | ||
| A. | Kalyan Sona | 1. | Rice |
| B. | Pusa sawani | 2. | Wheat |
| C. | IR - 8 | 3. | Okra |
33 percent of India’s Gross Domestic Product comes from ______.
Name a man-made cereal? Trace how it was developed and where is it used?
Discuss the two main limitations of plant hybridization programme.
The term ‘desirable trait’ can mean different things for different plants. Justify the statement with suitable examples.
Discuss natural selection and artificial selection. What are the implications of the latter on the process of evolution?
Mutations are beneficial for plant breeding. Taking an example, justify the statement.
