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MCQs

Total Questions : 10
Question 1.


The stage in which the biological processes is used to purify water in a wastewater treatment plants is called
 


  1.     secondary sewage treatment           
  2.     primary sewage treatment   
  3.     wastewater reduction          
  4.     biochemical reduction         
 Discuss Question
Answer: Option A. -> secondary sewage treatment           
:
A
 
Question 2.


Groundwater mining in coastal areas can result into


  1.     increase in the salinity of groundwater       
  2.     decrease in the toxicity of groundwater      
  3.     decrease in the salinity of groundwater        
  4.     increase in the water table
  5.     none of the above
 Discuss Question
Answer: Option A. -> increase in the salinity of groundwater       
:
A
 
Question 3.


Which of the following is not a major source of groundwater contamination?


  1.     agricultural products
  2.     landfills       
  3.     septic tanks
  4.     all of the above are major sources of groundwater contamination     
  5.     none of the above
 Discuss Question
Answer: Option D. -> all of the above are major sources of groundwater contamination     
:
D
 
Question 4.


Which of the following are the example of Municipal and industrial discharge pipes


  1.     nonpoint sources of pollution
  2.     violations of the Clean Water Act
  3.     point sources of pollution
  4.     irrigation
  5.     none of the above
 Discuss Question
Answer: Option C. -> point sources of pollution
:
C
 
Question 5.


How the biological oxygen demand gets affected with the increased presence of organic matter in water?


  1.     the oxygen demand increases
  2.     the oxygen demand decreases
  3.     the oxygen demand remains unchanged
  4.     None of the above
 Discuss Question
Answer: Option A. -> the oxygen demand increases
:
A
 
Question 6.


The three primary soil macronutrients are


  1.     carbon, oxygen, and water
  2.     copper, cadmium, and carbon        
  3.     potassium, phosphorus, and nitrogen          
  4.     boron, zinc, and manganese           
 Discuss Question
Answer: Option C. -> potassium, phosphorus, and nitrogen          
:
C
 
Question 7.


Which of the following is not considered as part of water use planning?


  1.     waste water treatment         
  2.     water diversion projects      
  3.     storm sewer drainage          
  4.     Water use planning considers all of the above issues
  5.     none of the above
 Discuss Question
Answer: Option D. -> Water use planning considers all of the above issues
:
D
 
Question 8.


The presence of high coliform counts in water indicate


  1.     contamination by human wastes
  2.     phosphorus contamination
  3.     decreased biological oxygen demand
  4.     hydrocarbon contamination
  5.     none of the above
 Discuss Question
Answer: Option A. -> contamination by human wastes
:
A
 
Question 9.


Which of the following is negative effects on the soil and water due to conventional, mechanized farming practices?


  1.     soil compaction       
  2.     reduction in soil organic matter        
  3.     leaching of pesticides and fertilizers into the groundwater     
  4.     all of the above       
  5.     none of the above
 Discuss Question
Answer: Option D. -> all of the above       
:
D
 
Question 10.


Which of the following is not an important characteristic of the Green Revolution?


  1.     mechanized agriculture        
  2.     hybrid seeds           
  3.     slash and burn         
  4.     monoculture    
  5.     none of the above
 Discuss Question
Answer: Option C. -> slash and burn         
:
C
 

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