Importance of Water Multiple Choice Questions and Answers 20 PDF Download

Learn importance of water multiple choice questions, grade 7 science online test 20 for elementary school degree online 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 free online courses with choices 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.

MCQs on Importance of Water Worksheets 20 Quiz PDF Download

MCQ: Hot water also stimulates growth of

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

A

MCQ: Number of 'oceans' on earth is

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

B

MCQ: Feces and urine is also part of

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

C

MCQ: On earth percentage of fresh water is

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

A

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

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

C