Here are 10 One-Word Answer Type Questions from the subtopic “Water Freshens Up — An Eventful Journey” with their answers and explanations (given immediately after each question and answer, as you requested):
1)
Question: What is the term used for the network of pipes that carries wastewater?
Answer: Sewerage
Explanation: Sewerage is a system of big and small pipes (sewers) that carry wastewater from homes and public buildings to treatment plants.
2)
Question: What are the covered openings used to access the sewerage system?
Answer: Manholes
Explanation: Manholes are openings at regular intervals on sewer lines to inspect, clean, and maintain the sewerage system.
3)
Question: What is the waste water from kitchens and bathrooms called?
Answer: Sullage
Explanation: Sullage is the waste water that comes from kitchens, bathrooms, and wash basins. It contains soap, oil, and food waste but no human waste.
4)
Question: What is the waste water coming from toilets called?
Answer: Foul waste
Explanation: Foul waste is the waste water from toilets which contains human excreta and is highly contaminated.
5)
Question: What is the term used for the waste water produced from industries?
Answer: Trade waste
Explanation: Trade waste is the waste water that comes from commercial and industrial activities and contains harmful chemicals.
6)
Question: What is the initial point where sewage is collected called?
Answer: Drain
Explanation: Drains collect wastewater from households, offices, and industries and carry it to larger sewer pipes.
7)
Question: What type of pipes form the sewerage in a city or town?
Answer: Sewers
Explanation: Sewers are underground pipes that form the sewerage system and carry sewage to treatment plants.
8)
Question: What is the purpose of manholes in sewerage systems?
Answer: Inspection
Explanation: Manholes are provided for inspection and maintenance of the sewerage system. They are located at fixed distances and at junctions.
9)
Question: What is the main function of sewerage?
Answer: Transport
Explanation: The sewerage system functions as a transport system, carrying wastewater from where it is generated to the treatment plant.
10)
Question: What is removed from wastewater in treatment plants to make it usable?
Answer: Pollutants
Explanation: Pollutants such as harmful substances, organic matter, and microbes are removed from wastewater during treatment to make it safe.
If you want, I can now combine all question sets of this chapter in a neat worksheet format.
Shall I prepare it?
