Pusa sem 2 and Pusa sem 3 are the varieties of ……. And are resistant against ……

  1. Flat bean, fruit shaper
  2. Brassicas, shoot and Fruit borer
  3. Okra (Bhindi), shoot and fruit borer
  4. Flat bean, Jassids, aphids and fruit borer
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Pusa Sawani is a variety of

  1. Okra
  2. Flat bean
  3. Rapeseed mustard
  4. Cowpea
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Pusa A-4 is not related to which of the following?

  1. Shoot and Fruit borer resistance
  2. Okra
  3. Aphids resistance
  4. Bhindi

Concept Questions :-

Insect & Pest Resistance
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Which of the following is not related with Rapeseed mustard?

  1. Pusa Gaurav
  2. Pusa sem 2
  3. Aphid resistance
  4. Both B and C
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To induce mutations artificially through use of chemicals or radiations(like gamma radiations) and selecting and using the plants that have the desirable character as a source in breeding -

  1. Mutation Breeding
  2. Conventional breeding
  3. Hybrid breeding
  4. Cultivar breeding
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Prabhani Kranti is not related to

  1. Resistance to yellow mosaic virus
  2. esculentus
  3. Resistance against shoot borer
  4. Both B and C
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Insect resistance in host crop plants may be due to

  1. Morphological
  2. Biochemical
  3. Physiological
  4. All of these
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Hairy leaves in several plants are not associated with resistance to insect pests in

  1. Resistance to jassids in cotton
  2. Cereal leaf beetle in wheat
  3. Resistance to aphids in brassica
  4. Both B and C
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In wheat, solid stem lead to

  1. Non preference by the stem sawfly
  2. Preference by the stem sawfly
  3. Non preference by the bollworms
  4. Preference by the bollworms

Concept Questions :-

Insect & Pest Resistance
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Smooth leaved and nectar-less cotton varieties

  1. Attract bollworms
  2. Do not attract bollworms
  3. Attract aphids
  4. Do not attract aphids
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