Environmental Pollution(Environment Management ) Questions and Answers

Question 1. Why controlled use of water hyacinth is important in controlling of water pollution?
  1.    To decrease the BOD level
  2.    To increase the BOD level
  3.    To completely vanish the BOD level
  4.    To maintain the BOD level
Explanation:-
Answer: Option B. -> To increase the BOD level
Answer: (b).To increase the BOD level

Question 2. Which of the following is not a way to minimize the disposal of toxic wastes into the water?
  1.    To create awareness about the pollution happening on water for people
  2.    To minimize the use of pesticides and chemicals into the agricultural fields
  3.    Recycle of plastic materials
  4.    Encouraging the disposals of electronic waste into the water bodies
Explanation:-
Answer: Option D. -> Encouraging the disposals of electronic waste into the water bodies
Answer: (d).Encouraging the disposals of electronic waste into the water bodies

Question 3. Why the flowing water of the river cannot be cleaned easily by natural process?
  1.    Because a large number of external substances are discharged into the water
  2.    Because external climatic conditions are not favorable to clean the water
  3.    The following water is already cleaned before flowing itself
  4.    Because of lack of space to clean the water
Explanation:-
Answer: Option A. -> Because a large number of external substances are discharged into the water
Answer: (a).Because a large number of external substances are discharged into the water

Question 4. Water that has been exposed to a substance other than water I called as_____________
  1.    Water purification
  2.    Water strength
  3.    Water contamination
  4.    Water desolation
Explanation:-
Answer: Option C. -> Water contamination
Answer: (c).Water contamination

Question 5. When did water cess act come into force?
  1.    1973
  2.    1975
  3.    1977
  4.    1980
Explanation:-
Answer: Option C. -> 1977
Answer: (c).1977

Question 6. Monitor used of motor oil can reduce water pollution.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
Explanation:-
Answer: Option A. -> True
Answer: (a).True

Question 7. What is the full form of NRCP?
  1.    National Railway Corporation Pipeline
  2.    National Rivers Cleaning Phase
  3.    National Roads Cleaning Phase
  4.    National River Conservation Plan
Explanation:-
Answer: Option D. -> National River Conservation Plan
Answer: (d).National River Conservation Plan

Question 8. How many rivers do the National River Conservation Plan covered?
  1.    13
  2.    15
  3.    16
  4.    18
Explanation:-
Answer: Option D. -> 18
Answer: (d).18

Question 9. How many percentage of pollution accounts by sewage and municipal effluents?
  1.    25
  2.    50
  3.    75
  4.    100
Explanation:-
Answer: Option C. -> 75
Answer: (c).75

Question 10. When did India launched the Ganga Action plan (GAP)?
  1.    In 1983
  2.    In 1984
  3.    In 1985
  4.    In 1986
Explanation:-
Answer: Option C. -> In 1985
Answer: (c).In 1985