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MCQs

Total Questions : 64 | Page 3 of 7 pages
Question 21. 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
Answer: (c).Herbicidin A and B
Question 22. 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
Answer: (a).Cycloheximide
Question 23. The rate of degradation and microbes resistance to toxic pollutants remain better when the
  1.    mixed cell population is used
  2.    individual cell is used
  3.    mixed cell population along with metals is used
  4.    individual cell along with metal is used
 Discuss Question
Answer: Option A. -> mixed cell population is used
Answer: (a).mixed cell population is used
Question 24. The disorder in which of the following may cause "Ehlers-Danlos Syndrome"?
  1.    Dlashin protein
  2.    Collagen protein
  3.    Fibrin protein
  4.    Globulin protein
 Discuss Question
Answer: Option B. -> Collagen protein
Answer: (b).Collagen protein
Question 25. If the RBC of human were kept in 0.9% NaCl solution, what sort of change will occur to RBC?
  1.    Cell will Burst
  2.    Cell will shrink
  3.    No change to RBC
  4.    RBC will destroy
 Discuss Question
Answer: Option C. -> No change to RBC
Answer: (c).No change to RBC
Question 26. Which of the bacteria is considered for biological leaching?
  1.    T. thiooxidans
  2.    T. ferrooxidans
  3.    Ferrobacillus terrooxidans
  4.    all of these
 Discuss Question
Answer: Option D. -> all of these
Answer: (d).all of these
Question 27. Which of the protein is involved in Alzheimer's disease?
  1.    A4
  2.    Amylin
  3.    Fibrin
  4.    Alzhemin
 Discuss Question
Answer: Option A. -> A4
Answer: (a).A4
Question 28. Which of the following microorganisms leach metals out of rock ores and can accumulate silver?
  1.    Pseudomonas aeruginosa
  2.    Pseudomonas putida
  3.    Thiobacillus
  4.    Zoogloea ramigera
 Discuss Question
Answer: Option C. -> Thiobacillus
Question 29. Milbemycin is known to exhibit a broad spectrum of activity against
  1.    all of these
  2.    agricultural herbs
  3.    agricultural insects
  4.    agricultural pests
 Discuss Question
Answer: Option D. -> agricultural pests
Question 30. Inundation involves use of a/an
  1.    organism over a long time to suppress/destroy a population
  2.    large number of organisms over a short time to suppress/destroy a population
  3.    organism over a short time to suppress/destroy a population
  4.    large number of organisms over a long time to suppress/destroy a population
 Discuss Question
Answer: Option B. -> large number of organisms over a short time to suppress/destroy a population

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