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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?
Identify ‘a’, ‘b’ and ‘c’ in the following table:
| S. No. | Crop | Variety | Insect Pests |
| 1. | Brassica | Pusa Gaurav | ‘a’ |
| 2. | Flat bean | Pusa Sem 2 Pusa sem 3 |
‘b’ |
| 3. | ‘c’ | Pusa Sawani Pusa A-4 |
Shoot and fruit borer |
What is plant breeding?
Name any two common Indian millet crops.
In Brassica (rapeseed, mustard)........................ varietys is resistant to Aphids.
(a) Pusa A-4
(b) Pusa Gaurav
(c) Pusa Sawni
(d) . Pusa Shubra
What is emasculation?
List the two steps the classical plant breeding involves.
What is Biofortification? Explain selective breeding with suitable example.
Answer the following question.
How did plant breeding techniques help north Indian farmers to develop cane with desired characters?
Crosses between the plants of the same variety are called
The science of changing and improving the heredity of plants is called ______
Animal husbandry and plant breeding programmes are the examples of:
Mechanism of fast Speciation in crop plants is ______.
Polyploidy leads to the rapid formation of new species because:
Sonalika and Kalyan Sona are varieties of ______.
In the area of plant breeding, it is important not only to preserve the seeds of the variety being cultivated, but also to preserve all its wild relatives. Explain with a suitable example.
Give two important contributions of Dr. M. S. Swaminathan.
You are a Botanist working in the area of plant breeding. Describe the various steps that you will undertake to release a new variety.
How the resistance in crops can be developed?
