71. What is the first thing that happens to wastewater at a wastewater treatment plant?
72. What is the most common kind of litter, by number, found in waterways?
73. What is the name given to the green pigment in plants?
74. What is the objective of National Health Policy 2015?
75. What is the purpose of the holes under the toilet bowl rim?
76. What is the purpose of the toilet tank float?
77. What is the single most effective way to prevent the transmission of disease?
78. What is the single most effective way to prevent the transmission of disease?
79. What is the time necessary for a toilet tank to fill with water?
80. What is wastewater?
MCQ Multiple Choice Questions and Answers on Sanitation Health and Hygiene
Sanitation Health and Hygiene Trivia Questions and Answers PDF
Sanitation Health and Hygiene Question and Answer
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