Question 1 Define the term sanitation? Question 2 What is a septic tank? Describe the septic tank based toilets? Question 3 What is the relation between sanitation and diseases? Question 4 State the various ways in which you can contribute in maintaining sanitation at public places? Question 5 What will happen if the large amount of waste generated at public places … [Read more...] about Sanitation And Sewage Disposal
Class 7
Sewage Treatment Plant
Question 1 What is the function of bar screen in a wastewater treatment plant? Question 2 What is sludge? Explain how it is treated? Question 3 Describe the various steps involved in getting clear water from wastewater? Question 4 What is meant by treatment of sewage? Question 5 What is the purpose of bubbling air into the aeration tank during the treatment of … [Read more...] about Sewage Treatment Plant
Sewage
Question 1 What is sewage? State the various ways in which we produce sewage in our homes? Question 2 Explain why, it is harmful to discharge untreated sewage into rivers, lakes or ground? Question 3 What is meant by treatment of sewage? Question 4 What is meant by sewage and sewerage? Question 5 Name the organic and inorganic impurities present in … [Read more...] about Sewage
Regeneration and Conservation of Forest
Question 1 How do trees grow in a natural forest? Question 2 What are the various effects of deforestation? Question 3 Why is it necessary to conserve forest? Question 4 State few ways to conserve forest? Question 5 How do animals living in the forest help it to grow and regenerate? Question 6 State the reasons for deforestation? Regeneration of Forest The … [Read more...] about Regeneration and Conservation of Forest
Importance of Forest
Question 1 Explain how forest prevents soil erosion? Question 2 Explain how forest prevent floods? Question 3 What is the role of forest in maintaining the balance between carbon dioxide and oxygen in the atmosphere? Question 4 Describe the importance of forest for us, animals and environment? Question 5 State few uses of wood? Question 6 Explain how forests help … [Read more...] about Importance of Forest