The rice variety Taichung Native -1 was also used for semi dwarf variety production and it was from

  1. IR-8
  2. Sonalika
  3. Taiwan
  4. China
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Which of the following belongs to north India?

  1. Sacchaurm barberi
  2. Saccharum officinarum
  3. Saccharum northien
  4. Saccharum esturian
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Saccharum barberi has not

  1. Poor sugar content
  2. Poor yield
  3. Thick stem
  4. Grown in North India
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Saccharum officinarum has not

  1. Grown well in South India
  2. Had thicker stem
  3. Higher sugar content
  4. Grown well in North India
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Which of the following hybrid millet is not grown in India?

  1. Hybrid Maize
  2. Hybrid Jowar
  3. Hybrid Bajra
  4. Hybrid sugarcane

Concept Questions :-

Impact:Green Revolution
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Which of the following is not correct?

  1. A wide range of fungal, bacterial and viral pathogens affect the yield of cultivated crop species especially in tropical climates
  2. Crop losses can often be significant up to 20-30% or even 100%
  3. Hybrid breeding have led to the development of several high yielding varieties resistant to water stress
  4. The disease resistant varieties increase our dependence on use of fungicides and bacteriocides.

Concept Questions :-

Breeding for Disease Resistance
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Which of the following is not a bacterial disease?

  1. Brown rust of wheat
  2. RedRot of sugarcane
  3. late blight of potato
  4. all of these

Concept Questions :-

Breeding for Disease Resistance
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Which of the following is not a fungal disease?

  1. black rot of crucifers
  2. Brown rust of wheat
  3. Red rot of sugarcane
  4. late blight of potato

Concept Questions :-

Breeding for Disease Resistance
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Which of the following is a bacterial disease?

  1. Tobacco Mosaic
  2. Turnip Mosaic
  3. black rot of crucifers
  4. red rot of sugarcane
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Which of the following is a variety of Brassica?

  1. Himgiri
  2. Pusa swarnim
  3. Pusa shubhra
  4. Pusa komal
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