Air Quiz - CBSE Class 4 EVS

Free practice quiz: Air (CBSE Class 4 EVS). 19 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

Sample questions

1. What is air made up of?

   1. Oxygen
   2. Nitrogen
   3. Carbon Dioxide
   4. All of the above
   Show answer

   Answer: D. All of the above

2. What is the primary gas that we breathe in?

   1. Nitrogen
   2. Oxygen
   3. Carbon Dioxide
   4. Argon
   Show answer

   Answer: B. Oxygen

3. What can increase the quality of air in our environment?

   1. Planting more trees
   2. Burning waste
   3. Using plastic bags
   4. Driving cars
   Show answer

   Answer: A. Planting more trees

4. Which of these is a sign of air pollution?

   1. Clear skies
   2. Fresh air
   3. Smog
   4. Singing birds
   Show answer

   Answer: C. Smog

5. How can we reduce air pollution?

   1. Using electric vehicles
   2. Burning more coal
   3. Cutting more trees
   4. Staying indoors
   Show answer

   Answer: A. Using electric vehicles

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