Importance of Water Multiple Choice Questions and Answers 11 PDF Download

Learn importance of water multiple choice questions, grade 7 science online test 11 for elementary school degree online courses, distance learning for exam prep. Practice saving water multiple choice questions (MCQs), importance of water quiz questions and answers for science class for class 7 science interactive tests.

Study elementary school science multiple choice questions (MCQs): to prevent excess use of tap water, we can collect, for free online courses with choices 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 for online learning saving water quiz questions 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

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