Importance of Water Multiple Choice Questions and Answers 11 PDF Download

Learn importance of water MCQs, grade 7 science test 11 for online learning courses and test prep. Saving water multiple choice questions (MCQs), importance of water quiz questions and answers include science worksheets for class 7 science interactive tests.

Science multiple choice questions (MCQ): to prevent excess use of tap water, we can collect with options stream water, rain water, river water and sea water, saving water quiz with online science web portal for home school 7th grade science students . Free science study guide to learn saving water quiz to attempt multiple choice questions based test.

MCQs on Importance of Water Worksheets 11 Quiz PDF Download

MCQ: To prevent excess use of tap water, we can collect

  1. rain water
  2. stream water
  3. river water
  4. sea water


MCQ: Unwanted substance of water may be harmful for

  1. plants
  2. animals
  3. plants, animals and people
  4. plants and people


MCQ: Polio, hepatitis and typhoid are examples of

  1. water-borne diseases
  2. water-washed diseases
  3. water-related diseases
  4. anti-water diseases


MCQ: Which gas is often used as a energy source at city's wastewater treatment plants?

  1. ethane
  2. carbon
  3. methane
  4. nitrogen


MCQ: Removal of salt from water on a large scale is known as

  1. water logging
  2. salination
  3. desalination
  4. distillation