Importance of Water Multiple Choice Quiz Questions 20 pdf Download

Practice science quiz 20 on importance of water MCQs, grade 7 safe and drinking water multiple choice questions. Free safe and drinking water guide has science worksheet with answering options fungi, algae, bacteria and viruses of multiple choice questions (MCQ) with safe and drinking water quiz as hot water also stimulates growth of for exam prep. Study to learn safe and drinking water quiz to attempt multiple choice questions based test.

MCQs on Importance of Water - Quiz 20

MCQ. Hot water also stimulates growth of

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

A

MCQ. Number of giant oceans on earth is

  1. four
  2. five
  3. six
  4. seven

B

MCQ. Feaces and urine is also part of

  1. fresh water
  2. treated waste
  3. untreated waste
  4. sea water

C

MCQ. Percentage of fresh water is

  1. 3%
  2. 5%
  3. 10%
  4. 20%

A

MCQ. Solid matter settles in bottom and is scraped away by electricity in

  1. Metal screen
  2. Grit tank
  3. Sludge tank
  4. Filter bed

C