Water – CBSE Class 6 Science MCQs
Water – CBSE Class 6 Science MCQs
Class: 6 | Subject: Science
Section 12: Water
Topic: Water
Based on NCERT Syllabus | CBSE Board Examination Pattern
Section 12: Water
Topic: Water
Based on NCERT Syllabus | CBSE Board Examination Pattern
1. Water exists on Earth in how many states?
Answer: C. Three
Water exists as solid (ice), liquid (water), and gas (water vapour).
Water exists as solid (ice), liquid (water), and gas (water vapour).
2. The process of water changing into vapour is:
Answer: B
Evaporation occurs when liquid water gains heat and changes into vapour.
Evaporation occurs when liquid water gains heat and changes into vapour.
3. Cooling of water vapour into liquid is:
Answer: B
Condensation forms clouds and dew.
Condensation forms clouds and dew.
4. Main source of Earth’s water is:
Answer: A
Oceans hold about 97% of Earth’s water.
Oceans hold about 97% of Earth’s water.
5. Water cycle is driven mainly by:
Answer: B
Solar heat causes evaporation.
Solar heat causes evaporation.
6. Rain occurs due to:
Answer: C
Precipitation releases condensed water as rain.
Precipitation releases condensed water as rain.
7. Groundwater is found in:
Answer: B
It fills spaces between soil and rocks.
It fills spaces between soil and rocks.
8. Water suitable for drinking is:
Answer: C
Potable water is safe for consumption.
Potable water is safe for consumption.
9. Which is not a source of freshwater?
Answer: C
Ocean water is salty.
Ocean water is salty.
10. Water vapour is present in:
Answer: A
Air always contains moisture.
Air always contains moisture.
11. Solid form of water:
Answer: B
Ice is frozen water.
Ice is frozen water.
12. Gas form of water:
Answer: B
Water vapour is gaseous.
Water vapour is gaseous.
13. Process of ice turning into water:
Answer: B
Heat converts solid to liquid.
Heat converts solid to liquid.
14. Water stored under Earth:
Answer: B
Stored in aquifers.
Stored in aquifers.
15. Collection stage of water cycle:
Answer: B
Water gathers in water bodies.
Water gathers in water bodies.
16. Rainwater harvesting helps:
Answer: B
It conserves water.
It conserves water.
17. Water covers about:
Answer: B
Most surface is water.
Most surface is water.
18. Dew forms due to:
Answer: B
Cooling vapour condenses.
Cooling vapour condenses.
19. Water needed by plants for:
Answer: D
Water supports all processes.
Water supports all processes.
20. Polluted water causes:
Answer: B
It spreads water-borne diseases.
It spreads water-borne diseases.
