Importance of Water Multiple Choice Questions 2 PDF Download

Practice importance of water MCQs, grade 7 online science test 2, distillation multiple choice questions and answers. Distillation revision test has science worksheets, helping answer key with choices as is built on mountains and high lands, uses a large amount of fuel, uses electric machinery for desalination and is built with expensive material of multiple choice questions (MCQ) with distillation quiz as desalination plant is very expensive because it for competitive exam prep, viva interview questions. Free science study guide to practice distillation quiz to attempt multiple choice questions based test.

MCQs on Importance of Water Quiz PDF Download Worksheets 2

MCQ. Desalination plant is very expensive because it

  1. uses a large amount of fuel
  2. is built on mountains and high lands
  3. uses electric machinery for desalination
  4. is built with expensive material

A

MCQ. When algae grows on the 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. The percentage of salty water is

  1. 0.8
  2. 0.9
  3. 0.95
  4. 0.97

D

MCQ. As compare to hose for car washing, bucketing uses

  1. less water
  2. more water
  3. equal water
  4. maybe less water or more

A

MCQ. The poison gets more concentrated as it moves through

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

B