Safe and Drinking Water MCQs Quiz Worksheet PDF Download

Learn safe and drinking water MCQs, science test for online course learning and test prep to practice. Importance of water quiz questions has multiple choice questions (MCQ), safe and drinking water test to learn for 7th grade advanced science worksheets.

Science practice test MCQ on oil can be poison for with options insect's life, aquatic life, animal's life and human life problem solving skills for competitive exam, viva prep, interview questions with answer key. Free science revision notes to learn safe and drinking water quiz with MCQs to find questions answers based online learning tests.

MCQs on Safe and Drinking Water Quiz PDF Download

MCQ. Oil can be poison for

  1. insect's life
  2. aquatic life
  3. animal's life
  4. human life

B

MCQ. When algae grows on surface of water, it prevents

  1. access of bacteria in water
  2. access of sunlight in water
  3. growth of fungi
  4. growth of ferns and mosses

B

MCQ. Poison gets more concentrated as it moves through

  1. water
  2. food chain
  3. fish body
  4. vascular bundles in aquatic plants

B

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. Fish in ponds and lakes die because algae

  1. takes all the minerals from water
  2. takes all the oxygen from water
  3. prevents sunlight to enter water
  4. prevent from respiring

B