Biotechnology For Solid Waste Management(Environmental Biotechnology ) Questions and Answers

Question 1. Which of the following methods leads to increase of surface area for microorganisms to act?
  1.    Vermicomposting
  2.    Disintegration
  3.    Incineration
  4.    Recycling
Explanation:-
Answer: Option B. -> Disintegration
Answer: (b).Disintegration
Question 2. Which of the following is not a type of reactor system used for microbial composting?
  1.    Rotating drum
  2.    Horizontal reactor
  3.    Vertical reactor
  4.    Field composting
Explanation:-
Answer: Option D. -> Field composting
Answer: (d).Field composting
Question 3. Non-reactor system is a classification of the composting systems.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
Explanation:-
Answer: Option A. -> True
Answer: (a).True
Question 4. Which of the following methods enhance the intensity of disintegration?
  1.    Velocity of degradation
  2.    Time of process
  3.    Composting process
  4.    Recycling
Explanation:-
Answer: Option D. -> Recycling
Answer: (d).Recycling
Question 5. Which of the following methods is the simplest way of microbial composting?
  1.    Field composting
  2.    Vertical reactor
  3.    Horizontal reactor
  4.    Windrow composting
Explanation:-
Answer: Option A. -> Field composting
Answer: (a).Field composting
Question 6. Which of the following species has a shorter body size?
  1.    Epifilis
  2.    Endogens
  3.    Aneciques
  4.    Eudrilus
Explanation:-
Answer: Option A. -> Epifilis
Answer: (a).Epifilis
Question 7. Which of the following species is most stable in Indian conditions?
  1.    Perionyx
  2.    Epifilis
  3.    Endogens
  4.    Aneciques
Explanation:-
Answer: Option A. -> Perionyx
Answer: (a).Perionyx
Question 8. Which of the following cannot be established properly in the field?
  1.    Eisenia foetida
  2.    Perionyx
  3.    Epifilis
  4.    Aneciques
Explanation:-
Answer: Option A. -> Eisenia foetida
Answer: (a).Eisenia foetida
Question 9. Earthworms subsidize to the burial of wastes?
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
Explanation:-
Answer: Option A. -> True
Answer: (a).True
Question 10. Which of the following is not a method of worm cast harvesting or manufacturing?
  1.    Homogenization
  2.    Active feeding
  3.    Drying under adequate light
  4.    Separation of cocoons
Explanation:-
Answer: Option A. -> Homogenization
Answer: (a).Homogenization
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