Download printable Science Class 7 Worksheets in pdf format, CBSE Class 7 Science Wastewater Story Worksheet Set A has been prepared as per the latest syllabus and exam pattern issued by CBSE, NCERT and KVS. Also download free pdf Science Class 7 Assignments and practice them daily to get better marks in tests and exams for Grade 7. Free chapter wise worksheets with answers have been designed by Standard 7 teachers as per latest examination pattern
Very Short Answer
Q1) What is cleaning of water?
Q2) What is sewage treatment?
Q3) Define clarified water?
Q4) Define wastewater?
Q5) What is Swachh Bharat?
Q6) What do you understand by aeration?
Q7) What do you understand by the sewage?
Q8) Why water is called our life line?
Q9) What do you meant by biogas?
Q10) What is vermi-processing toilet?
Q11) What are the steps we have to take for wastewater treatment plant?
Q12) State the difference between aerobic bacteria and anaerobic bacteria?
Q13) Explain what are the better ways for housekeeping practices to minimise the waste while releasing down the drains?
Q14) What is sludge and how it can be treated?
Q15) What are the benefits of improving sanitization?
Please click on below link to download CBSE Class 7 Science Wastewater Story Worksheet Set A
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