Water resources class 10 MCQ online test

As we all know, water is one of the most essential resources for survival on earth. To ensure that students have a thorough understanding of this vital resource, ICSE board has included Water Resources as an important topic in the class 10 science syllabus.

To help students prepare better and assess their knowledge, MCQ online tests are becoming increasingly popular among students.

If you are looking for a comprehensive and reliable source of study materials for Water Resources, Geography class 10 MCQ online test pdf download, you have come to the right place.

In this article, we will discuss everything you need to know about Water Resources class 10 MCQ online test ICSE and where to find them. So, let’s dive in!

Water resources

50 Multiple Choice Questions (MCQs) on Water Resources Class 10 pdf

1. Which of the following is a renewable natural resource?
a) Air
b) Fossil fuels
c) Minerals
d) None of the above
Answer: (a)

2. The process of conversion of water vapor into water droplets is called:
a) Precipitation
b) Evaporation
c) Condensation
d) Infiltration
Answer: (c)

3. What is the primary source of freshwater on Earth?
a) Rivers and lakes
b) Groundwater
c) Glaciers and ice caps
d) Oceans
Answer: (c)

4. Which of the following is a non-point source of water pollution?
a) Industrial discharge
b) Sewage treatment plants
c) Oil spills
d) Agricultural runoff
Answer: (d)

5. The process of removing salt and other impurities from seawater is called:
a) Desalination
b) Filtration
c) Distillation
d) Chlorination
Answer: (a)

6. What is the largest ocean on Earth?
a) Atlantic Ocean
b) Indian Ocean
c) Pacific Ocean
d) Southern Ocean
Answer: (c)

7. Which of the following is a natural source of groundwater pollution?
a) Pesticide use
b) Underground storage tanks
c) Landfills
d) Volcanic activity
Answer: (d)

8. What is the main cause of water scarcity in many regions?
a) Overpopulation
b) Climate change
c) Pollution
d) Unequal distribution of water resources
Answer: (d)

9. Which of the following is a sustainable water management practice?
a) Over-extraction of groundwater
b) Deforestation
c) Rainwater harvesting
d) Dam construction without environmental impact assessment
Answer: (c)

10. Which of the following diseases is caused by contaminated water?
a) Malaria
b) Dengue fever
c) Cholera
d) Tuberculosis
Answer: (c)

11. What is the main purpose of water conservation?
a) To reduce water pollution
b) To increase water availability
c) To generate hydroelectric power
d) To prevent flooding
Answer: (b)

12. Which international organization works towards the conservation and sustainable use of water resources?
a) United Nations (UN)
b) World Health Organization (WHO)
c) International Monetary Fund (IMF)
d) World Wildlife Fund (WWF)
Answer: (a)

13. How does deforestation contribute to water scarcity?
a) It increases groundwater recharge
b) It reduces soil erosion
c) It disrupts the water cycle
d) It promotes the growth of water-holding plants
Answer: (c)

14. What is the minimum percentage of water in the human body?
a) 50%
b) 65%
c) 75%
d) 90%
Answer: (b)

15. Which of the following is a renewable source of energy that utilizes water resources?
a) Solar power
b) Wind power
c) Geothermal power
d) Hydroelectric power
Answer: (d)

16. What is the major factor responsible for the depletion of groundwater?
a) Heavy rainfall
b) Sustainable irrigation practices
c) Over-extraction
d) Afforestation
Answer: (c)

17. Which of the following pollutants is commonly found in water bodies due to agricultural activities?
a) Carbon dioxide
b) Lead
c) Nitrogen compounds
d) Radioactive waste
Answer: (c)

18. What is the approximate percentage of freshwater available for human use?
a) 10%
b) 25%
c) 50%
d) 75%
Answer: (a)

19. Which of the following is an example of point source water pollution?
a) Urban runoff
b) Atmospheric deposition
c) Marine oil spills
d) Acid rain
Answer: (c)

20. What is the purpose of a water treatment plant?
a) To extract minerals from water
b) To convert seawater into freshwater
c) To remove pollutants and make water safe for consumption
d) To generate electricity from water
Answer: (c)

21. Which of the following is an example of a waterborne disease?
a) Influenza
b) Measles
c) Typhoid
d) Diabetes
Answer: (c)

22. What is the term used to describe the amount of water vapor present in the atmosphere?
a) Humidity
b) Precipitation
c) Condensation
d) Transpiration
Answer: (a)

23. What is the primary source of drinking water for many rural communities?
a) Bottled water
b) Rainwater
c) Groundwater
d) Seawater
Answer: (c)

24. Which of the following factors contributes to the salinization of soil?
a) Excessive irrigation
b) Deforestation
c) Acid rain
d) Volcanic activity
Answer: (a)

25. What is the role of wetlands in water resource management?
a) They act as natural filters, improving water quality
b) They increase evaporation rates, leading to rainfall
c) They prevent floods by absorbing excess water
d) They store large amounts of freshwater underground
Answer: (a)

26. What is the main purpose of an aqueduct?
a) To transport oil
b) To carry water over long distances
c) To generate electricity
d) To prevent water pollution
Answer: (b)

27. Which of the following is a human-made water reservoir?
a) Lake Baikal
b) Great Barrier Reef
c) Lake Mead
d) Amazon River
Answer: (c)

28. How does urbanization affect water resources?
a) It increases water availability
b) It reduces water pollution
c) It increases the demand for water
d) It promotes groundwater recharge
Answer: (c)

29. Which of the following is a common method of water conservation in agriculture?
a) Drip irrigation
b) Overhead sprinklers
c) Flooding
d) Open channel irrigation
Answer: (a)

30. What is the significance of the World Water Day celebrated on March 22nd every year?
a) To promote awareness about water scarcity
b) To highlight the importance of water in agriculture
c) To encourage water-based recreational activities
d) To advocate for international water treaties
Answer: (a)

31. What is the role of riparian zones in water resource management?
a) They prevent soil erosion
b) They regulate river flow
c) They promote groundwater recharge
d) They provide habitat for aquatic species
Answer: (d)

32. What is the primary factor responsible for the melting of glaciers?
a) Deforestation
b) Volcanic activity
c) Global warming
d) Excessive precipitation
Answer: (c)

33. Which of the following is an example of a water pollutant from household activities?
a) Carbon monoxide
b) Plastic waste
c) Radioactive waste
d) Acid rain
Answer: (b)

34. What is the purpose of a water footprint?
a) To measure the amount of water used in an individual’s daily activities
b) To estimate the volume of water in a given area
c) To assess the water quality in a river or lake
d) To calculate the amount of water needed for crop irrigation
Answer: (a)

35. How does the construction of dams impact ecosystems?
a) It increases biodiversity
b) It improves water quality
c) It disrupts river flow and fish migration
d) It promotes soil erosion
Answer: (c)

36. What is the primary source of water pollution in developing countries?
a) Industrial activities
b) Agricultural runoff
c) Deforestation
d) Lack of sanitation facilities
Answer: (d)

37. Which of the following is a characteristic of hard water?
a) It has a low mineral content
b) It lathers easily with soap
c) It causes scaling in pipes and appliances
d) It has a neutral pH
Answer: (c)

38. What is the purpose of a water management plan?
a) To regulate the water cycle
b) To ensure equal distribution of water resources
c) To prevent natural disasters related to water
d) To conserve water for future generations
Answer: (d)

39. How does water pollution impact aquatic ecosystems?
a) It enhances biodiversity
b) It improves fish populations
c) It disrupts food chains and habitats
d) It promotes algal blooms
Answer: (c)

40. Which of the following is an example of a water-saving device?
a) Washing machine
b) Dishwasher
c) Low-flow showerhead
d) Garden hose
Answer: (c)

41. What is the main factor responsible for water scarcity in arid regions?
a) High evaporation rates
b) Low precipitation
c) Excessive groundwater recharge
d) Efficient irrigation practices
Answer: (b)

42. What is the primary purpose of watershed management?
a) To increase the flow of rivers
b) To regulate the temperature of lakes and ponds
c) To protect the quality of water resources
d) To promote recreational activities near water bodies
Answer: (c)

43. Which of the following is a method of rainwater harvesting?
a) Desalination
b) Filtration
c) Dam construction
d) Rooftop collection
Answer: (d)

44. What is the main factor responsible for the contamination of groundwater?
a) Industrial waste
b) Volcanic ash
c) Acid rain
d) Chemical fertilizers
Answer: (d)

45. How does water pollution impact human health?
a) It improves overall well-being
b) It increases the risk of waterborne diseases
c) It enhances immune system function
d) It promotes cardiovascular health
Answer: (b)

46. What is the role of the Clean Water Act in the United States?
a) To promote water privatization
b) To regulate water pollution from point sources
c) To encourage excessive water consumption
d) To ban the use of pesticides in agriculture
Answer: (b)

47. Which of the following factors contributes to water erosion?
a) Tree planting
b) Soil conservation practices
c) Overgrazing
d) Construction of terraces
Answer: (c)

48. What is the impact of water scarcity on agriculture?
a) Increased crop yield
b) Improved soil fertility
c) Reduced agricultural productivity
d) Enhanced pest control
Answer: (c)

49. What is the primary reason for the uneven distribution of water resources globally?
a) Climate change
b) Natural disasters
c) Geological factors
d) Human activities
Answer: (d)

50. Which of the following is an example of a sustainable water resource management practice?
a) Over-extraction of groundwater
b) Indiscriminate dam construction
c) Recycling of wastewater
d) Deforestation
Answer: (c)

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Frequently Asked Questions (FAQs)

Q1. How can water pollution be prevented?
Answer: Water pollution can be prevented by adopting sustainable agricultural practices, proper waste disposal, treating wastewater before discharge, and reducing the use of harmful chemicals.

Q2. What are the effects of water scarcity?
Answer: Water scarcity can lead to inadequate access to clean drinking water, compromised sanitation facilities, reduced agricultural productivity, and negative impacts on ecosystems and biodiversity.

Q3. What is the role of individuals in water conservation?
Answer: Individuals can contribute to water conservation by practicing water-saving habits, such as fixing leaks, using efficient appliances, reducing water consumption, and spreading awareness about the importance of water conservation.

Q4. How does climate change affect water resources?
Answer: Climate change can alter precipitation patterns, increase the frequency and intensity of droughts and floods, and accelerate the melting of glaciers, all of which have significant impacts on water resources.

Q5. What are some sustainable water management practices?
Answer: Sustainable water management practices include rainwater harvesting, wastewater recycling, efficient irrigation methods, watershed management, and promoting water conservation awareness.


Water resources are essential for all forms of life on Earth, and it is crucial to understand their importance and the challenges associated with their management.

Through these 50 multiple choice questions, we have explored various aspects of water resources, including their availability, pollution, conservation, and sustainability.

It is important for students to grasp these concepts to become responsible stewards of water and contribute to its preservation for future generations.

By having a comprehensive understanding of water resources, students can actively participate in water conservation efforts, advocate for sustainable water management practices, and make informed decisions to protect this precious natural resource.

Remember, every individual’s actions can make a significant difference in ensuring the availability of clean and safe water for all.

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