ENTOMOLOGIST PAST PAPER 11-12-2022 FOR DEPARTMENT OF PLANT PROTECTION MCQs


چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب موٹا ہو جاے گا


This is a third generation pesticide.

  1. Pheromones
  2. Carbamates and organophosphates
  3. Pathogens
  4. Insect Juvenile hormone

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Cochineal insects are used for

  1. Parthenium control
  2. Eicchornia prevention
  3. weeds control
  4. Cactus prevention

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The process of using a natural predator to control a pathogen is called

  1. genetic engineering
  2. biological control
  3. confusion technique
  4. artificial control

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Rotenone is used as a

  1. bioherbicide
  2. insect hormone
  3. natural insecticide
  4. natural herbicide

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Which of the following is a biocontrol agent for nematodal diseases?

  1. Pseudomonas cepacia
  2. Pisolithus tinctorius
  3. Paecilomyces lilacinus
  4. Gliocladium virens

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Trichoderma harzianum is used for

  1. wasteland reclamation
  2. bioremediation of contaminated soil
  3. biocontrol agent against plant pathogens
  4. gene transfer

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Which of the following is not a biopesticide?

  1. Nucleopolyhedrovirus
  2. Xanthomonas campestris
  3. Bacillus thuringiensis
  4. Trichoderma harzianum

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A biocontrol agent against plant diseases

  1. Trichoderma
  2. Bacillus thuringiensis
  3. Glomus
  4. baculovirus

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Which of the following is the use of microbes as a biological control agent for pests/diseases?

  1. Bt-cotton to increase the yield of cotton
  2. Ladybird beetle for controlling aphids in mustard
  3. Trichoderma sp against plant pathogens
  4. Nucleopolyhedrovirus against white rust in Brassica

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Which of the following is used as a biocontrol agent against caterpillars of butterflies?

  1. Trichoderma
  2. Streptococcus
  3. Bacillus Thuringiensis
  4. Saccharomyces cerevisiae

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