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Class 12 Biology Practice Test: Food Production Strategies - Plant Breeding for Disease Resistance
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Related Test: Class 12 Biology Practice Test: Food Production Strategies - Plant Breeding

Class 12 Biology Practice Test: Food Production Strategies - Plant Breeding for Disease Resistance
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12 Questions

1. Which of the following is not responsible for crop losses?
2. Resistance to the yellow mosaic virus in bhindi (Abelmoschus esculentus) resulted in a new variety called _________
3. Which of the following is used to induce mutations in plants?
4. Which of the following is not a sequential step of breeding disease resistance crop?
5. Which of the following crops is resistant to the chilly mosaic virus?
6. How is the resistance of the host plant towards a pathogen determined?
7. In mung bean, resistance to chilly mosaic virus and powdery mildew were induced by mutations.
8. Availability of a limited number of disease resistance genes constrains conventional breeding practices.
9. Which of the following term is used for organisms which are attacked by pathogens?
10. How does the development of disease-resistant plants enhance food production?
11. Which of the following is a variety of wheat crop?
12. What is a mutation?

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