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प्रश्न
Which one of the following is not a fungal disease?
विकल्प
Rust of wheat
Smut of Bajra
Black rot of crucifers
Red rot of sugarcane
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उत्तर
Black rot of crucifers
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संबंधित प्रश्न
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 |
Give the names of ‘two’ insect-resistant crop varieties.
List the two steps the classical plant breeding involves.
Define the term water potential.
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?
Animal husbandry and plant breeding programmes are the examples of:
The biggest constraint of plant breeding is:
If a diploid cell is treated with colchicine then it becomes:
Polyploidy leads to the rapid formation of new species because:
Which one of the following pathogens causes cancer disease?
Match the columns-
| Column A | Column B | ||
| A. | Kalyan Sona | 1. | Rice |
| B. | Pusa sawani | 2. | Wheat |
| C. | IR - 8 | 3. | Okra |
Several South Indian states raise 2-3 crops of rice annually. The agronomic feature that makes this possible is because 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.
What is meant by ‘hidden hunger’?
Life style diseases are increasing alarmingly in India. We are also dealing with large scale malnutrition in the population. Is there any method by which we can address both of these problems together?
Suggest some of the features of plants that will prevent insect and pest infestation
Discuss the importance of testing of new plant varieties in a geographically vast country like India.
Discuss briefly the technology that made us self-sufficient in food production.
Name two better yielding varieties of rice developed in India.
