Here are 10 One-Word Answer Type Questions from the subtopic “Alternative Arrangement for Sewage Disposal” with their answers and explanations after each question (as you requested):
1)
Question: What is the low-cost sewage disposal system used in places without sewerage?
Answer: Septic
Explanation: Septic tanks are used for sewage disposal in areas without sewerage systems, like isolated buildings or hospitals.
2)
Question: What type of toilet uses chemicals to treat human waste?
Answer: Chemical
Explanation: Chemical toilets are a type of toilet in which human waste is treated with chemicals to reduce its harmful effects.
3)
Question: What is the pit called where human waste is converted into manure?
Answer: Composting
Explanation: Composting pits are used to decompose human waste into compost, which is later used as manure.
4)
Question: What is produced in the biogas plant from human waste?
Answer: Biogas
Explanation: Biogas is produced when human waste decomposes in an airtight biogas plant. It can be used as a source of energy.
5)
Question: What is the term used for human waste in hygienic on-site disposal technology?
Answer: Excreta
Explanation: Excreta is the human waste that flows through covered drains into a biogas plant in on-site disposal systems.
6)
Question: What kind of toilets convert human excreta into biogas and manure without scavenging?
Answer: Eco-friendly
Explanation: Eco-friendly toilets like biogas toilets dispose of human waste without the need for manual scavenging.
7)
Question: What arrangement is suitable for disposal of sewage from a cluster of 4 to 5 houses?
Answer: Septic
Explanation: Septic tanks are ideal for small clusters of houses where sewerage facilities are not available.
8)
Question: What is the source of energy generated from excreta in on-site disposal toilets?
Answer: Biogas
Explanation: In hygienic on-site waste disposal systems, biogas is generated from human excreta, which is used as energy.
9)
Question: Which system avoids the need for manual cleaning of human waste?
Answer: Biogas
Explanation: In biogas-based disposal systems, human waste is automatically decomposed without manual cleaning.
10)
Question: What is one of the goals of using alternative sewage disposal systems?
Answer: Sanitation
Explanation: These systems are designed to improve sanitation and hygiene, especially in areas lacking sewerage systems.
If you want, I can now compile all your requested question sets of this chapter into a neat worksheet format (topic-wise) for practice or printing.
Shall I prepare it?