Importance of Water Multiple Choice Questions 4 PDF Download

Learn importance of water MCQs, grade 7 science test 4 for online courses learning and test prep, water everywhere multiple choice questions and answers. Water everywhere revision test includes science worksheets to learn for grade 7 physical science tests.

Science multiple choice questions (MCQ) on water of oceans and seas is with options bitter, sour, sweet and salty, water everywhere quiz for competitive exam prep, viva interview questions with answers key. Free science study guide to learn water everywhere quiz to attempt multiple choice questions based test.

MCQs on Importance of Water Quiz PDF Download Worksheets 4

MCQ. Water of oceans and seas is

  1. sour
  2. bitter
  3. sweet
  4. salty


MCQ. Average depth of largest ocean is

  1. 1000 meters
  2. 2000 meters
  3. 3000 meters
  4. 4000 meters


MCQ. Water can be kept pure if we throw

  1. litter in the trash
  2. litter near a stream
  3. litter near a pond
  4. pour waste oil in rivers


MCQ. Fish in ponds and lakes die because algae

  1. takes all the minerals from water
  2. takes all the oxygen from water
  3. prevents sunlight to enter water
  4. prevent from respiring


MCQ. Huge strainers are used to

  1. force water to the treatment plant
  2. increase the water pressure
  3. filter large particles in the water
  4. filter bacteria and other harmful organisms