Class 7 Science Study App | Importance of Water MCQs e-Book PDF

Class 7 Science MCQs (Grade 7) From Textbook

Class 7 Science Competitive Exam MCQs – Practice Test 21 (Chapter 13)

Importance of Water MCQs with Answers PDF Download – Test 21

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Free "Class 7 Science Study" App Download with MCQ: Water supply through pipelines and tube wells to farm is known as; with answers: hydration, fertilization, irrigation, and pollination for science educational development access. Solve Crops and Irrigation MCQ Questions, download Google e-Book (Free Chapter) to increase STEM learning opportunities.

Importance of Water MCQs – Practice Test 21 PDF Download

MCQ 101: Water supply through pipelines and tube wells to farm is known as:

  1. fertilization
  2. hydration
  3. irrigation
  4. pollination

MCQ 102: The waste water from houses, buildings and other areas is called:

  1. waste water
  2. sewage
  3. seepage
  4. aquarium waste

MCQ 103: Chlorine helps:

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

MCQ 104: The remains of salt over the soil after evaporation of water is known as:

  1. water logging
  2. salivation
  3. dehydration
  4. hydration

MCQ 105: Litters such as plastic bags are harmful for:

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

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