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WASTEWATER STORY CBSE Class VII, Science (NCERT) Sample questions with their Solutions (as per latest CCE scheme of examinations of CBSE) Important Short Type Questions with Solutions Q.1: Which decade has been decided for action on “Water for Life”? Solution: It is 2005 - 2015. Q.2: By which name the toilets in which human excreta are treated by earthworms is called?

Class 7 Ncert Solutions CBSE Board Class 7 Science Textbook Chapter Exercise Answers Wastewater Story Solutions of NCERT Textbook Exercise (Important Questions Only) Q.1: Fill in the blanks: a)     Cleaning of water is a process of removing _____. b)     Wastewater released by houses is called ______. c)      Dried _______ is used as manure. d)     Drains get blocked by ______ and