Importance of Water Multiple Choice Questions Test 21 Tests pdf Download

Practice science test 21 on importance of water MCQs, grade 7 crops and irrigation multiple choice questions and answers. Crops and irrigation revision test has science worksheets, answer key with choices as hydration, fertilization, irrigation and pollination of multiple choice questions (MCQ) with crops and irrigation quiz as the carriage of water through pipelines and tube wells to farms is known as for competitive exam prep. Free science study guide to learn crops and irrigation quiz to attempt multiple choice questions based test.

MCQs on Importance of Water: Worksheets 21 Quiz pdf Download

MCQ. Carriage of water through pipelines and tube wells to farms is known as

  1. Fertilization
  2. Hydration
  3. Irrigation
  4. Pollination

C

MCQ. Waste water from houses, buildings and other areas is called

  1. Waste water
  2. Sewage
  3. Seepage
  4. Aquarium waste

B

MCQ. Chlorine helps

  1. to kill bacteria
  2. in heating water
  3. in cooling water
  4. to evaporate water

A

MCQ. Remains of salt over soil after evaporation of water is known as

  1. Water logging
  2. Salivation
  3. Dehydration
  4. Salivation

D

MCQ. Litters such as plastic bags are harmful for

  1. fish
  2. turtles
  3. alligators
  4. plants

B