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
The ______ of water is something that can easily be checked using universal indicator
  1. pH
  2. Watershed management
  3. Reuse
  4. Reuse
_________ means that you use less.
  1. Reduce
  2. biodiversity
  3. social economic, environmental ,
  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
Constructing large dams generally give rise to three big problems i.e. _______, ________ and __________ problems
  1. forest products, soil
  2. social economic, environmental ,
  3. Watershed management
  4. sustainable natural resources
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