Importance of Water Quiz - CBSE Class 6 Science

Free practice quiz: Importance of Water (CBSE Class 6 Science). 20 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

This CBSE Class 6 Science practice quiz has 20 multiple-choice questions on Importance of Water, and 20 of them come with an explanation. Try the 5 sample questions below (tap an option to check yourself), then play the full quiz online. No sign-up needed.

Sample questions

1. Why is water essential for living organisms?

   1. It helps to cook food
   2. It provides energy
   3. It is required for metabolic processes
   4. It is used for cleaning
   Show answer

   Answer: C. It is required for metabolic processes

   Water is essential for metabolic processes such as digestion and cellular respiration, making it critical for all life forms.

2. What is the primary source of water on Earth?

   1. Rivers
   2. Oceans
   3. Lakes
   4. Groundwater
   Show answer

   Answer: B. Oceans

   The primary source of water on Earth is the oceans, which cover about 71% of the planet's surface.

3. If 1 liter of water weighs 1 kilogram, how much would 5 liters of water weigh?

   1. 2 kg
   2. 3 kg
   3. 4 kg
   4. 5 kg
   Show answer

   Answer: D. 5 kg

   Since 1 liter of water weighs 1 kilogram, 5 liters would weigh 5 kilograms.

4. Why is it important to conserve water resources?

   1. To increase pollution
   2. To prepare for droughts
   3. To decrease prices
   4. To waste more water
   Show answer

   Answer: B. To prepare for droughts

   Conserving water resources is essential to prepare for droughts and ensure a sustainable water supply for the future.

5. How does climate change affect water availability?

   1. It increases snowfall
   2. It leads to more droughts
   3. It has no effect
   4. It reduces evaporation
   Show answer

   Answer: B. It leads to more droughts

   Climate change can lead to more frequent and severe droughts, diminishing water availability in various regions.

More questions in this quiz

Answers and explanations are in the full quiz.

1. What percentage of the human body is made up of water?
2. How does water help in temperature regulation in the body?
3. Which of the following is NOT a role of water in the human body?
4. Why do plants need water to grow?
5. How does water pollution affect aquatic life?
6. What can individuals do to save water at home?
7. A family of four uses 200 liters of water per day. How much water will they use in a week?
8. What happens to plants when they do not receive enough water?
9. What is a common method to purify water?
10. Which cycle describes the continuous movement of water on, above, and below the surface of the Earth?
11. What is the effect of deforestation on the water cycle?
12. In what way does groundwater depletion impact the environment?
13. What is the relationship between water temperature and aquatic biodiversity?
14. How can rainwater harvesting help in reducing water scarcity?
15. What impact does urbanization have on the natural water cycle?

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