Grade 7 English MCQs

Importance of Water Multiple Choice Questions Test 3 Tests pdf Download

Practice science test 3 on importance of water MCQs, grade 7 water and life multiple choice questions and answers. Water and life revision test has science worksheets, answer key with choices as 60%, 50%, 70% and 90% of multiple choice questions (MCQ) with water and life quiz as the percentage water in our body is for competitive exam prep. Free science study guide to learn water and life quiz to attempt multiple choice questions based test.

MCQs on Importance of Water: Worksheets 3 Quiz pdf Download

MCQ. Percentage water in our body is

  1. 50%
  2. 60%
  3. 70%
  4. 90%

C

MCQ. Addition of small doses of chlorine gas into filtered water is known as

  1. Coagulation
  2. Sedimentation
  3. Filtration
  4. Chlorination

D

MCQ. Skin diseases, eye infections and diarrhea are examples of

  1. Water-borne diseases
  2. Water-washed diseases
  3. Water-related diseases
  4. Anti-water diseases

B

MCQ. Water is passed through filter beds of sand and gravel to remove smaller particles of dust, it is called

  1. Coagulation
  2. Sedimentation
  3. Filtration
  4. Chlorination

C

MCQ. Sea which joins with ocean is

  1. Arabian sea
  2. Mediterranean sea
  3. Red sea
  4. Black sea

A