61. What happens to sludge in a septic tank?
62. What happens when you flush a toilet?
63. What is a zero liquid discharge system?
64. What is an important material between some toilets and the bathroom floor?
65. What is an occupational disease?
66. What is Black water?
67. What is DDT?
68. What is Electronic health recorder:
69. What is reason for drying your hands after washing them?
70. What is sludge?
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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