Importance of Water Multiple Choice Questions and Answers 11 pdf eBooks Download

Learn importance of water MCQs, grade 7 online science test 11, saving water multiple choice questions and answers. Saving water revision test has science worksheets, helping answer key with choices as stream water, rain water, river water and sea water of multiple choice questions (MCQ) with saving water quiz as to prevent excess use of tap water, we can collect for competitive exam prep, viva interview questions. Free science study guide to practice 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

A

MCQ. Unwanted substance of water may be harmful for

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

C

MCQ. Polio, hepatitis and typhoid are examples of

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

B

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

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

C

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

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

C