Importance of Water Study App | Class 7 Science Quiz e-Book PDF
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Class 7 Science MCQs – Practice Test 7 (Chapter 13)

Importance of Water Quiz with Answers PDF Download – Test 7

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Learn Importance of water Quiz Questions and Answers PDF to practice science lessons online. Download the Importance of Water Quiz PDF e-Book, Ch. 13-7 to learn Class 7 Science Course. Solve Safe and Drinking Water MCQs PDF, Importance of Water Quiz Questions and Answers for science virtual academic support. Download the Importance of Water Study App: Free Class 7 Science Quiz App to learn safe and drinking water, sewage system, crops and irrigation, water and life, water everywhere test prep to practice science lessons online.

Free Importance of Water Quiz App Download (iOS & Android): Soil and sand is settled at the bottom in; MCQ with answers: grit tank, metal screen, sludge tank, and filter bed. Study Safe and Drinking Water MCQ Questions, download Google Book (Free Chapter) to master chemistry basics.

Importance of Water Quiz – Practice Test 7 PDF Download

MCQ 31: The disease formed due to the drinking of water containing bacteria and viruses is known as:

  1. water-borne diseases
  2. water-washed diseases
  3. water-related diseases
  4. anti-water diseases

MCQ 32: The soil and sand is settled at the bottom in:

  1. metal screen
  2. grit tank
  3. sludge tank
  4. filter bed

MCQ 33: Crops grow well when they are:

  1. fertilized
  2. irrigated
  3. cared
  4. wilted

MCQ 34: If we don't drink water, we will eventually:

  1. get dry
  2. get wet
  3. die
  4. get hydrated

MCQ 35: The largest ocean covers about:

  1. half of the surface of earth
  2. quarter of the surface of earth
  3. one-third of the surface of earth
  4. one-fifth of the surface of earth

Importance of Water Quiz App & e-Book – Class 7 Science Study Material

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