Untreated human excreta is a health haza | Class 7 Science Chapter Wastewater Story, Wastewater Story NCERT Solutions

Q6.

Untreated human excreta is a health hazard. Explain.

Majority of people in our country still do not contains sewage facilities for the safe disposal of human excreta. Due to this, a very large number of our people defecate in the open in fields, near railway tracks, on dry river beds and many a time directly in water (in ponds, lakes and rivers etc.) The untreated human excreta is a health hazards because it can cause a large number of diseases and also cause soil pollution and water pollution which can lead to various diseases. Since, the human excreta is carried along by rainwater, both in lakes and rivers as well as groundwater get polluted with it. The river water and groundwater are the sources for performing various purposes for many people.

The drinking water contaminated with untreated human excreta becomes the most common route for the spreading the diseases.

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Important Questions & Answers

Why is this answer important for exams?

This question is important because it tests key concepts from the NCERT syllabus and is frequently asked in CBSE exams.

Which NCERT concept is used in this question?

This question is based on core NCERT concepts explained in the chapter and should be revised thoroughly before exams.

What is the correct answer to: Untreated human excreta is a health hazard. Explain.?

Majority of people in our country still do not contains sewage facilities for the safe disposal of human excreta. Due to this, a very large number of our people defecate in the open in fields, near railway trac...

How do you solve Untreated human excreta is a health hazard. Explain. step by step?

Step-by-step explanation:
• Majority of people in our country still do not contains sewage facilities for the safe disposal of human excreta
• Due to this, a very large number of our people defecate in the open in fields, near railway tracks, on dry river beds and many a time directly in water (in ponds, lakes and rivers etc
• ) The untreated human excreta is a health hazards because it can cause a large number of diseases and also cause soil pollution and water pollution which can lead to various diseases
• Since, the human excreta is carried along by rainwater, both in lakes and rivers as well as groundwater get polluted with it
• The river water and groundwater are the sources for performing various purposes for many people

What common mistakes should be avoided in this question?

Students often lose marks by skipping steps, writing incomplete explanations, or misunderstanding keywords used in the question.

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