Water Class 7 MCQs with Answers | Geography
Water Class 7 MCQs with Answers | CBSE Geography
Class: 7 |
Subject: Social Science |
Section: Geography – Our Environment |
Topic: Water
These Multiple Choice Questions (MCQs) are designed strictly as per the NCERT syllabus, making them ideal for CBSE Class 7 Social Science Examination preparation.
1. About what percentage of Earth’s surface is covered with water?
Answer: B. 71%
Nearly 71% of Earth’s surface is covered by water, mainly in oceans, making Earth appear blue from space.
Nearly 71% of Earth’s surface is covered by water, mainly in oceans, making Earth appear blue from space.
2. The largest water body on Earth is:
Answer: B. Ocean
Oceans hold about 97% of Earth’s water and regulate global climate.
Oceans hold about 97% of Earth’s water and regulate global climate.
3. The movement of ocean water is called:
Answer: D. All of these
Ocean water moves as waves, tides, and currents, each caused by different factors.
Ocean water moves as waves, tides, and currents, each caused by different factors.
4. Tides are caused mainly by:
Answer: C. Gravitational pull of Moon
The Moon’s gravity pulls ocean water, creating high and low tides.
The Moon’s gravity pulls ocean water, creating high and low tides.
5. The rise and fall of ocean water twice a day is:
Answer: B. Tides
Tides occur regularly due to gravitational forces of the Moon and Sun.
Tides occur regularly due to gravitational forces of the Moon and Sun.
6. Huge destructive sea waves caused by earthquakes are:
Answer: C. Tsunami
Tsunamis are giant waves generated by underwater earthquakes or volcanic eruptions.
Tsunamis are giant waves generated by underwater earthquakes or volcanic eruptions.
7. Continuous flow of ocean water in a direction is:
Answer: C. Current
Ocean currents influence climate and marine navigation.
Ocean currents influence climate and marine navigation.
8. The process of water changing into vapour is:
Answer: B. Evaporation
Heat from the Sun converts water into vapour starting the water cycle.
Heat from the Sun converts water into vapour starting the water cycle.
9. Water vapour cooling into droplets is:
Answer: B. Condensation
This leads to cloud formation.
This leads to cloud formation.
10. Rainfall is a form of:
Answer: C. Precipitation
Precipitation returns water to Earth’s surface.
Precipitation returns water to Earth’s surface.
11. The water cycle is also called:
Answer: A. Hydrological cycle
It describes continuous water movement between land, ocean, and atmosphere.
It describes continuous water movement between land, ocean, and atmosphere.
12. Largest ocean on Earth:
Answer: C. Pacific
The Pacific Ocean covers one‑third of Earth’s surface.
The Pacific Ocean covers one‑third of Earth’s surface.
13. Salinity means:
Answer: B. Salt content
Ocean water is salty due to dissolved minerals.
Ocean water is salty due to dissolved minerals.
14. Freshwater is found mainly in:
Answer: C. Rivers & Lakes
They provide usable water for humans.
They provide usable water for humans.
15. Glacier melt feeds:
Answer: B. Rivers
Many perennial rivers originate from glaciers.
Many perennial rivers originate from glaciers.
16. Waves are formed mainly due to:
Answer: A. Winds
Wind transfers energy to water creating waves.
Wind transfers energy to water creating waves.
17. The meeting point of river and sea is:
Answer: A. Delta
Sediments deposit forming fertile triangular land.
Sediments deposit forming fertile triangular land.
18. Underground water is called:
Answer: B. Groundwater
Stored beneath Earth’s surface in aquifers.
Stored beneath Earth’s surface in aquifers.
19. Water shortage is known as:
Answer: B. Drought
Occurs due to prolonged lack of rainfall.
Occurs due to prolonged lack of rainfall.
20. Conservation of water is important because:
Answer: B. Freshwater is limited
Only a small portion of Earth’s water is usable freshwater, so conservation is essential.
Only a small portion of Earth’s water is usable freshwater, so conservation is essential.