Question

Fill in the Blanks
1. Untreated human excreta is a ………………. hazard.
2. Vermi-composting toilets use ………………. to treat human waste.
3. Poor sanitation is crowded public places can result in spread of ………………. .
4. Dried sludge is used as ………………. .
5. Wastewater is treated in ………………. treatment plant.
6. Wastewater released by houses is called ………………. .
7. Stagnant water blocked in drains is good breeding place for ………………. .
8. All portable toilets are ………………. toilets.
9. The full form of WWTP is ………………. .
10. Bacteria play important ………………. in sewage treatment.

Answer 1

Answer:

1)Untreated human excretions are a health hazard. 

2)A Vermi-processing toilet has been field tested for 8 years in India and was found to be a novel low water-use toilet for safe processing of human excreta without odour and fly problem. It is started off by putting 5 kg of vermicastings in the pit

3)virus

4)manure

5)Wastewater treatment is the process of converting wastewater – water that is no longer needed or is no longer suitable for use – into bilge water that can be discharged back into the environment. ... Physical waste treatment plants use chemical reactions as well as physical processes to treat wastewater

6) sewgae

7) mosquito

8) chemical

9)wastewater treatment plant (WWTP),

10)role

Answer 2

Answer:

1. Health hazard

2., ficus

3. Disease

4.manure

5. Waste water

6.salage

7.Mosquitoes

8.bad toilets

9.Wastewater treatment plant

10.role