Class 10 Water Resources Mock Test (ICSE)

Topics in Water Resources

• Sources of water
• Need for irrigation
• Methods of irrigation
• Rainwater harvesting
• Multipurpose projects

Water Resources practice questions with answers

1. Q1Multiple choice·1 mark
   Which of the following agricultural practices in India is made possible primarily by assured irrigation, enabling farmers to cultivate more than one crop on the same field during a year?

   1. (a)Dry farming
   2. (b)Multiple cropping
   3. (c)Mixed cropping
   4. (d)Shifting agriculture
   Show answer and step marks

   1. Correct option: (b) Multiple cropping+1

   Answer: (b)
2. Q2Multiple choice·1 mark
   Multipurpose river valley projects are designed to serve multiple objectives simultaneously. Which of the following is typically NOT a primary objective of such projects?

   1. (a)Generation of power from nuclear reactors
   2. (b)Flood control and soil conservation
   3. (c)Provision of water for irrigation and domestic use
   4. (d)Generation of hydroelectric power
   Show answer and step marks

   1. Correct option: (a) Generation of power from nuclear reactors+1

   Answer: (a)
3. Q3Multiple choice·1 mark
   What is the primary objective of rooftop rainwater harvesting in urban residential areas?

   1. (a)To recharge depleted groundwater aquifers and supplement household water needs
   2. (b)To generate hydroelectric power on a large scale
   3. (c)To clear industrial wastewater effluents before municipal discharge
   4. (d)To increase surface runoff into seasonal rivers during dry months
   Show answer and step marks

   1. Correct option: (a) To recharge depleted groundwater aquifers and supplement household water needs+1

   Answer: (a)
4. Q4Multiple choice·1 mark
   Which modern method of irrigation minimizes water wastage by applying water directly to the plant roots through a network of valves, pipes, and tubing?

   1. (a)Drip irrigation method
   2. (b)Tank irrigation system
   3. (c)Flood irrigation method
   4. (d)Inundation canal irrigation
   Show answer and step marks

   1. Correct option: (a) Drip irrigation method+1

   Answer: (a)
5. Q5Short answer·2 marks
   Name two main sources of surface water in India. Give one reason why surface water is generally more susceptible to pollution than underground water.
   Show answer and step marks

   1. First source, any one of: rivers; lakes; ponds and tanks; reservoirs; or any other valid surface water source.+0.5
   2. Second source, a different one from the same list.+0.5
   3. Reason: Surface water is directly exposed to atmospheric pollutants, agricultural runoff, and domestic/industrial waste, whereas underground water undergoes natural filtration through soil and rock layers.+1

   Answer: Any two of: rivers, lakes, ponds and tanks, reservoirs; reason: surface water is directly exposed to runoff, sewage and industrial waste, while groundwater is filtered by soil and rock.

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