Air and Atmosphere Multiple Choice Questions 4

Practice air and atmosphere MCQs, grade 6 online science test 4, air and processes multiple choice questions and answers. Air and processes revision test has science worksheets, helping answer key with choices as lungs, gills, throat and tail of multiple choice questions (MCQ) with air and processes quiz as in fish, respiration takes place through for competitive exam prep, viva interview questions. Free science study guide to practice air and processes quiz to attempt multiple choice questions based test.

MCQs on Air and Atmosphere Quiz PDF Download Worksheets 4

MCQ. In fish, respiration takes place through

  1. gills
  2. lungs
  3. throat
  4. tail

A

MCQ. Air solubility of water is defined as the ability of air to be dissolved in

  1. space
  2. container
  3. gas
  4. water

D

MCQ. Rust is actually

  1. iron oxide
  2. hydro oxide
  3. nitro oxide
  4. none of them

A

MCQ. When a gas is cooled or compressed it becomes a

  1. solid
  2. gas
  3. liquid
  4. semi-solid

C

MCQ. The mixture important for human life and combustion is

  1. carbon
  2. air
  3. zinc
  4. nitrogen

B