Importance of Water Multiple Choice Questions and Answers 20 PDF Download

Importance of water multiple choice questions (MCQs), importance of water test prep 20 to learn online elementary school courses, distance learning for exam prep. Practice safe and drinking water multiple choice questions (MCQs), importance of water quiz questions and answers for science class for 7th grade science problems online free.

Study elementary school science multiple choice questions (MCQs): hot water also stimulates growth of, for online elementary education degree with options fungi, algae, bacteria, and viruses, safe and drinking water quiz with virtual academy portal for online learning of mid term and final exams preparation. Free science study guide for online learning safe and drinking water quiz questions to attempt multiple choice questions based test.

MCQ on Importance of Water Worksheets 20 Quiz PDF Download

MCQ: Hot water also stimulates growth of

  1. algae
  2. fungi
  3. bacteria
  4. viruses


MCQ: Number of 'oceans' on earth is

  1. 4
  2. 5
  3. 6
  4. 7


MCQ: Feces and urine is also part of

  1. garbage
  2. treated waste
  3. untreated waste
  4. all of them


MCQ: On earth percentage of fresh water is

  1. 0.03
  2. 0.05
  3. 0.1
  4. 0.2


MCQ: Solid matter settled at bottom is scraped away by electricity in

  1. metal screen
  2. grit tank
  3. sludge tank
  4. filter bed