Importance of Water Multiple Choice Questions and Answers 12 PDF Book Download

Importance of water MCQs, importance of water quiz answers 12 to learn elementary school science courses online. Safe and drinking water multiple choice questions (MCQs), importance of water quiz questions and answers for online elementary education degree. Water treatment, crops and irrigation, safe and drinking water, saving water, water everywhere test for elementary school teaching certification.

Learn elementary school science multiple choice questions (MCQs): Water treatment, crops and irrigation, safe and drinking water, saving water, water everywhere, with choices fertilizers, water, soil, and humidity for online elementary education degree. Free science study guide for online learning safe and drinking water quiz questions to attempt multiple choice questions based test.

MCQ on Importance of Water Worksheets 12 PDF Book Download

MCQ: Alum is a compound of two elements, those are

  1. aluminum and nitrate
  2. aluminum and sulfate
  3. sodium and nitrate
  4. sodium and sulfate

B

MCQ: Most essential element for crop is

  1. water
  2. fertilizers
  3. soil
  4. humidity

A

MCQ: If not receives treatment, trachoma may cause

  1. deep eye infection
  2. eye injuries
  3. blindness
  4. dizziness

C

MCQ: Reason for presence of water underground is

  1. oceans make tunnels due to high water pressure
  2. due to salt in water, it starts making space in the soil for movement
  3. some of the rain water is soaked into soil
  4. rivers eventually run underground

C

MCQ: Largest sea on earth is

  1. Arabian sea
  2. South China sea
  3. Mediterranean sea
  4. Dead sea

B