NCERT Water Management Questions
NCERT Water Management – MCQs
Class: 7 |
Subject: Science |
Section: 15 – Natural Resources |
Topic: Water Management
CBSE Board Examination – Concept Based Objective Questions
1. Water management refers to:
Answer: B
Water management involves planning, developing, distributing, and conserving water resources efficiently.
Water management involves planning, developing, distributing, and conserving water resources efficiently.
2. The main aim of water management is to:
Answer: B
It ensures water availability for present and future generations.
It ensures water availability for present and future generations.
3. Which is the primary source of freshwater?
Answer: B
Rainfall replenishes rivers, lakes, and groundwater.
Rainfall replenishes rivers, lakes, and groundwater.
4. Rainwater harvesting is a part of:
Answer: B
It stores rainwater for reuse and groundwater recharge.
It stores rainwater for reuse and groundwater recharge.
5. Which structure stores river water?
Answer: A
Dams create reservoirs for irrigation and drinking water.
Dams create reservoirs for irrigation and drinking water.
6. Excessive groundwater extraction causes:
Answer: C
Over‑pumping lowers groundwater levels.
Over‑pumping lowers groundwater levels.
7. Check dams help in:
Answer: B
They slow water flow, allowing infiltration.
They slow water flow, allowing infiltration.
8. Which irrigation method is most efficient?
Answer: C
Drip irrigation minimizes evaporation loss.
Drip irrigation minimizes evaporation loss.
9. Water distribution in cities is managed by:
Answer: B
Municipal corporations manage supply and treatment.
Municipal corporations manage supply and treatment.
10. Wastewater treatment is part of:
Answer: B
Treatment allows reuse and reduces pollution.
Treatment allows reuse and reduces pollution.
11. Aquifers store:
Answer: B
They are underground water reservoirs.
They are underground water reservoirs.
12. Desalination converts:
Answer: B
Salt is removed from seawater.
Salt is removed from seawater.
13. Largest water use sector:
Answer: B
Irrigation uses most freshwater.
Irrigation uses most freshwater.
14. Water scarcity occurs when:
Answer: B
Shortage results from overuse.
Shortage results from overuse.
15. Rooftop harvesting collects:
Answer: B
Stored for reuse or recharge.
Stored for reuse or recharge.
16. Sprinkler irrigation works like:
Answer: B
It sprays water uniformly like rain.
It sprays water uniformly like rain.
17. Water management helps:
Answer: B
All life depends on water.
All life depends on water.
18. Traditional conservation system:
Answer: B
Ancient storage structures conserved rainwater.
Ancient storage structures conserved rainwater.
19. Recycling water reduces:
Answer: B
Reuse lowers freshwater demand.
Reuse lowers freshwater demand.
20. Best individual action:
Answer: B
Personal responsibility supports sustainability.
Personal responsibility supports sustainability.