Importance of Water Multiple Choice Questions and Answers 20 PDF Download

Learn importance of water MCQs, grade 7 science test 20 for online learning courses and test prep. Safe and drinking water multiple choice questions (MCQs), importance of water quiz questions and answers include science worksheets for 7th grade science problems online free.

Science multiple choice questions (MCQ): hot water also stimulates growth of 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 to learn safe and drinking water quiz 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


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