These are self sustained human waste disposal units which are not connected to a sewer line or a septic tank. A composting toilet breaks down and dehydrates human waste to compost. Recently vermin - composting toilets have been developed in India as an alternative method for proper disposal of waste. It is based on an innovative design in which earthworms are used to convert human excreta into compost. There is minimal use of water, and it is a safe and hygienic way of processing human waste.
These toilets have limited storage capacity for human waste and need to be emptied periodically. These are the toilets which use chemically treated reservoir located just below the toilet seats. The chemicals reduce the foul smell coming out of human excrete and carry out partial disinfection of human waste.
Vermin - composting toilets have been developed in __________________ as an alternative method for proper disposal of waste. | |||
Right Option : A | |||
View Explanation |
Which of the following are correct ? (a) In the composting pits there is minimal use of water, and it is a safe and hygienic way of processing human waste. (b) Chemical toilets are the toilets which use chemically treated reservoir located just below the toilet seats. (c) Another method of waste disposal, which is prevalent especially in village and small towns in India, is setting up of biogas plants. | |||
Right Option : D | |||
View Explanation |
Which of the following are correct ? (a) The chemicals in the chemical toilets reduce the foul smell coming out of human excrete and carry out partial disinfection of human waste. (b) In the biogas plant microorganisms break down the materials present in the waste and produce biogas . | |||
Right Option : C | |||
View Explanation |
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