Chapter 5: Hydrosphere — Online MCQ Test
GEOGRAPHY · CLASS 11th · Tamil Nadu State Board
Practice Chapter 5: Hydrosphere with a free chapter-wise online MCQ test.
This chapter covers: Exploring oceanography this chapter covers ocean floor relief features temperature salinity distribution ocean currents and tides. Students study hydrological cycles marine resourc....
AI-generated questions from basic to board-exam level, with instant results and explanations.
Chapter 5: Hydrosphere — Important Questions & Answers
What is the collective name for all the water bodies found on the Earth's surface?
- A. Lithosphere
- B. Hydrosphere
- C. Atmosphere
- D. Biosphere
Answer: B. Hydrosphere
The hydrosphere includes all forms of water on Earth such as oceans, seas, rivers, lakes, glaciers, and groundwater.
The hydrosphere includes all forms of water on Earth such as oceans, seas, rivers, lakes, glaciers, and groundwater.
Which part of the ocean floor is the shallow, gently sloping extension of the continent?
- A. Abyssal plain
- B. Continental shelf
- C. Ocean trench
- D. Mid-ocean ridge
Answer: B. Continental shelf
The continental shelf is the submerged edge of the continent and usually has a gentle slope.
The continental shelf is the submerged edge of the continent and usually has a gentle slope.
Which ocean floor feature is the deepest and narrow, steep-sided depression?
- A. Continental slope
- B. Abyssal plain
- C. Ocean trench
- D. Submarine plateau
Answer: C. Ocean trench
Ocean trenches are deep, elongated depressions in the ocean floor, often found near convergent plate boundaries.
Ocean trenches are deep, elongated depressions in the ocean floor, often found near convergent plate boundaries.
A coastal area with strong tidal action is most suitable for which type of energy generation?
- A. Thermal power
- B. Tidal energy
- C. Solar energy
- D. Wind energy
Answer: B. Tidal energy
Areas with strong tides can be used to generate tidal energy by harnessing the movement of seawater.
Areas with strong tides can be used to generate tidal energy by harnessing the movement of seawater.
Which one of the following is the most suitable method for conserving coastal ecosystems?
- A. Removing all mangroves for port expansion
- B. Encouraging sand mining near beaches
- C. Protecting mangroves and regulating coastal development
- D. Dumping industrial waste into the sea
Answer: C. Protecting mangroves and regulating coastal development
Mangroves protect coastlines from erosion and support biodiversity, so conserving them and controlling development helps coastal sustainability.
Mangroves protect coastlines from erosion and support biodiversity, so conserving them and controlling development helps coastal sustainability.