Biology Microbes in Human Welfare part 9 (Primary Sewage Treatment) class 12 XII | Summary and Q&A

64.9K views
June 13, 2015
by
LearnoHub - Class 11, 12
YouTube video player
Biology Microbes in Human Welfare part 9 (Primary Sewage Treatment) class 12 XII

TL;DR

Sewage is waste water contaminated with solid and liquid waste, including harmful pathogens. Proper sewage treatment is necessary to prevent water pollution and the spread of diseases.

Install to Summarize YouTube Videos and Get Transcripts

Key Insights

  • 💦 Sewage is waste water contaminated with human excreta, organic matter, pathogens, and beneficial microbes.
  • 💦 Improper disposal of sewage can lead to water pollution, making the water unsafe for various activities.
  • 💦 Sewage treatment is necessary to reduce the harmful effects of sewage before its disposal into water bodies.
  • ❓ Primary treatment involves the physical removal of solid particles using processes like filtration and sedimentation.
  • 😒 Secondary treatment uses microbes to further reduce the harmful effects of sewage.
  • 🛟 Proper sewage treatment helps prevent the spread of diseases and protects aquatic life.
  • 🖐️ Sewage treatment plants play a crucial role in the treatment and disposal of sewage.

Transcript

hello friends this video on my troops in human welfare part 9 is brought to you by example.com no more fear from exam so now we will talk about microbes and sewage treatment now even before we talk about sewage treatment first we need to understand what is sewage so sewage is nothing but waste water that needs to be removed from a community for hea... Read More

Questions & Answers

Q: What is sewage and what does it contain?

Sewage is waste water contaminated with human excreta, organic matter, pathogens, and beneficial microbes. It is composed of various solid and liquid wastes.

Q: Why is proper disposal of sewage important?

Improper disposal of sewage can cause water pollution, leading to health risks when using contaminated water for drinking, cooking, bathing, or washing clothes.

Q: What are the harmful effects of sewage on humans and aquatic life?

Sewage can cause waterborne diseases in humans and threaten the lives of aquatic organisms when they consume the contaminated water.

Q: How does sewage treatment work?

Sewage treatment involves primary treatment (physical removal of solid particles through processes like filtration and sedimentation) and secondary treatment (reduction of harmful effects using microbes).

Summary & Key Takeaways

  • Sewage is waste water contaminated with human excreta, organic matter, pathogens, and some beneficial microbes.

  • Improper disposal of sewage can lead to water pollution, which harms both humans and aquatic life.

  • Sewage treatment involves primary treatment (physical removal of solid particles) and secondary treatment (reduction of harmful effects using microbes).

Share This Summary 📚

Summarize YouTube Videos and Get Video Transcripts with 1-Click

Download browser extensions on:

Explore More Summaries from LearnoHub - Class 11, 12 📚

Summarize YouTube Videos and Get Video Transcripts with 1-Click

Download browser extensions on: