Class X

. ________________ is a group of bacteria, found in human intestines, whose presence in water indicates contamination by disease-causing microorganisms
  1. Coliform
  2. Reuse
  3. social economic, environmental ,
  4. Forests
A local system of canal irrigation in some parts of Himachal Pradesh is called _______.
  1. Coliform
  2. Kulhs
  3. Reuse
  4. . Forests
________ __________ Bishnoi, who in 1731 sacrificed her life along with 363 others for the protection of ‘khejri’ trees in Khejrali village near Jodhpur in Rajasthan.
  1. Amrita Devi
  2. . Forests
  3. pH
  4. biodiversity
The three R’s to save the environment are __________, ___________ and ___________.
  1. Reuse
  2. Chipko Andolan
  3. reduce, recycle, reuse
  4. Coliform
Mining causes pollution because of large amount of slag being discarded while extracting metals. It requires __________ ____________ ___________ management for the safe disposal of these wastes.
  1. sustainable natural resources
  2. Chipko Andolan
  3. Watershed management
  4. Kulhs
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