Importance of Water Multiple Choice Questions 11 PDF Download

Learn importance of water MCQs, grade 7 science test 11 for online courses learning and test prep, saving water multiple choice questions and answers. Saving water revision test includes science worksheets to learn for class 7 science interactive tests.

Science multiple choice questions (MCQ) on to prevent excess use of tap water, we can collect with options stream water, rain water, river water and sea water, saving water quiz for competitive exam prep, viva interview questions with answers key. Free science study guide to learn saving water quiz to attempt multiple choice questions based test.

MCQs on Importance of Water Quiz PDF Download Worksheets 11

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