The hydrosphere refers to the portion of the Earth’s surface where water is found, including oceans, rivers, lakes, groundwater, and atmospheric water vapor. It is one of the four main spheres of the Earth, along with the atmosphere, lithosphere, and biosphere.
The hydrosphere plays a critical role in the Earth’s climate and in supporting life. It helps regulate temperature and weather patterns, and provides water for drinking, irrigation, and other human uses. The hydrosphere is also home to a wide variety of plants and animals, many of which are dependent on water for survival.
Here are some MCQs on Hydrosphere:
1. What percentage of the Earth’s surface is covered by water?
a) 70%
b) 50%
c) 30%
d) 10%
2. Which of the following is not a type of water body?
a) Ocean
b) River
c) Desert
d) Lake
3. What is the most abundant gas in the Earth’s atmosphere?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Hydrogen
4. Which ocean is the largest in the world?
a) Pacific Ocean
b) Indian Ocean
c) Atlantic Ocean
d) Arctic Ocean
5. Which river is the longest in the world?
a) Amazon River
b) Nile River
c) Yangtze River
d) Mississippi River
