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MCQs

Total Questions : 49 | Page 2 of 5 pages
Question 11. Which of the following pesticide degradation methods is harmless for the environment?
  1.    Microorganisms
  2.    Chemical methods
  3.    Physical methods
  4.    Invertebrates
 Discuss Question
Answer: Option A. -> Microorganisms
Answer: (a).Microorganisms
Question 12. Which of the following type of pesticide is widely used in forestry?
  1.    Acaricides
  2.    Nematicides
  3.    Fungicide
  4.    Herbicides
 Discuss Question
Answer: Option D. -> Herbicides
Answer: (d).Herbicides
Question 13. Pesticides can regulate plant growth.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 14. Which of the following is least affected by the toxicants released from the pesticide directly?
  1.    Surface water
  2.    Sediment
  3.    Biota
  4.    Target crop
 Discuss Question
Answer: Option D. -> Target crop
Answer: (d).Target crop
Question 15. Which of the following causes contamination of the whole habitat?
  1.    Agricultural pesticides
  2.    Cow dung
  3.    Water
  4.    Crops
 Discuss Question
Answer: Option A. -> Agricultural pesticides
Answer: (a).Agricultural pesticides
Question 16. Which of the following is the best method to degrade xenobiotic compounds?
  1.    Microbial degradation
  2.    Chemical degradation
  3.    Water degradation
  4.    Physical agents
 Discuss Question
Answer: Option A. -> Microbial degradation
Answer: (a).Microbial degradation
Question 17. Which of the following doesn’t use microbial degradation method?
  1.    Sewage sludge
  2.    Pesticide disposals
  3.    Polluted water
  4.    Redox potential
 Discuss Question
Answer: Option D. -> Redox potential
Answer: (d).Redox potential
Question 18. Which of the following microbes are known to degrade xenobiotic compounds?
  1.    Planktonic algae
  2.    Cyanobacteria
  3.    Fungi
  4.    Goldfish
 Discuss Question
Answer: Option D. -> Goldfish
Answer: (d).Goldfish
Question 19. Which of the following bacteria is not known to degrade Aldicarb insecticide?
  1.    E. coli
  2.    P. putida
  3.    Bacillus sp.
  4.    Mucor sp.
 Discuss Question
Answer: Option D. -> Mucor sp.
Answer: (d).Mucor sp.
Question 20. Which of the following fungi is not known to degrade DDT insecticide?
  1.    Aspergillus niger
  2.    Mucor alternans
  3.    Penicillium sp.
  4.    Bacillus cereus
 Discuss Question
Answer: Option D. -> Bacillus cereus
Answer: (d).Bacillus cereus

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