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MCQs

Total Questions : 64 | Page 6 of 7 pages
Question 51.  Milbemycin is known to exhibit a broad spectrum of activity against
  1.    agricultural pests
  2.    agricultural herbs
  3.    agricultural insects
  4.    all of these
 Discuss Question
Answer: Option A. -> agricultural pests
Question 52.  Which of the following is selectively effective against dicot weeds?
  1.    Cycloheximide
  2.    Anisomycin
  3.    Herbicidin A and B
  4.    Bialaphos
 Discuss Question
Answer: Option C. -> Herbicidin A and B
Question 53.  Which of the following/(s) can be used for the reduction of nitrate in waste water?
  1.    Growth of Hypomicrobium in presence of added methanol
  2.    Micrococcus denitrificans cells encapsulated in liquid membranes
  3.    Both (a) and (b)
  4.    Nitrosomonas europaen
 Discuss Question
Answer: Option C. -> Both (a) and (b)
Question 54. . Which of the following is the most effective for the rice sheath blight pathogen, Pellicularia sasakii?
  1.    Polyoxin D
  2.    Polyoxin B
  3.    Polyoxin L
  4.    Polyoxin C
 Discuss Question
Answer: Option A. -> Polyoxin D
Question 55. . Which of the following subgroup/(s) belong/(s) to the Baculo viruses?
  1.    Nuclear polyhedrosis viruses
  2.    Granulosis viruses
  3.    Oryctestypes
  4.    All of these
 Discuss Question
Answer: Option D. -> All of these
Question 56. . Phenols degradation in waste water of hospitals, laboratories and coal processing to coke can be achieved by using
  1.    fungus Aureobasidium pullulans adsorbed by the fibrous asbestos
  2.    cells of Pseudomonas spp. either adsorbed to anthracite coal or entrapped on alginate gel
  3.    both (a) and (b)
  4.    Phanerochaete chrysosporium
 Discuss Question
Answer: Option C. -> both (a) and (b)
Question 57. . Which of the following is known to control Colorado potato beetle?
  1.    Beaveria bassiana
  2.    Metarhizium anisopliae
  3.    Verticillium lecauii
  4.    Nomuraea rileyi
 Discuss Question
Answer: Option A. -> Beaveria bassiana
Question 58. . 
Which of the following herbicide is known to be effective against perennial shrubs, annual weeds and weeds of rice?
  1.    Cycloheximide
  2.    Anisomycin
  3.    Herbicidin
  4.    Bialaphos
 Discuss Question
Answer: Option A. -> Cycloheximide
Question 59. . Which of the following can be used for the removal of color from the effluents of pulp mill?
  1.    Coriolus versicolor entrapped in calcium alginate beads
  2.    Phanerochaete chrysosporium
  3.    Both (a) and (b)
  4.    Nitrosomonas europaen
 Discuss Question
Answer: Option C. -> Both (a) and (b)
Question 60. . Which of the following accumulates from factory waste?
  1.    Pseudomonas aeruginosa
  2.    Thiobacillus
  3.    Pseudomonas putida
  4.    Zoogloea ramigera
 Discuss Question
Answer: Option D. -> Zoogloea ramigera

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