Environmental Studies · Geography

Water Conservation and Management

2,859 Questions

Water conservation and management questions evaluate techniques for preserving water resources, traditional harvesting methods, and modern irrigation systems. Topics include wastewater treatment, groundwater extraction, and the economic role of wetlands. These concepts are essential for environmental studies and geography exams.

Irrigation MethodsWater HarvestingWastewater ManagementHydropower PlantsWetlands ConservationUrban Water Quality

Water Conservation and Management Questions

Multiple choice

Due to lack of rains the wells, lakes, ponds get dried up and thereby creating water scarcity and as result droughts are possible.

What happens to the soil in such near drought conditions?

  1. The soil becomes more dry and patchy.

  2. The soil evaporates.

  3. The soil develops great cracks.

  4. The soil gets eroded with wind.

  5. The soil remains unaffected.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Correct. If there are no rains, then the soil becomes more dry and patchy.

Multiple choice

Directions: Answer the question that follows after considering the statement given below:

Our Earth is covered by two-thirds of water but most of the water is not potable.

Why is there scarcity of potable water?

  1. Most of the water is in the oceans.

  2. Most of the water contains aquatic life.

  3. Most of the water contains salt.

  4. Most of the water is frozen in glaciers.

  5. Most of the water is polluted.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The high salt content in water makes it unusable and unfit for human consumption.

Multiple choice

Which of the following statements is/are false?

a. The pH of river water is measured by using universal indicator paper. b. The main purpose of water harvesting is to hold rainwater on the surface of the earth. c. The destruction of forests affects; not just the availability of forest products, but also the quality of soil and the source of water.

  1. Only a

  2. Only a and b

  3. Only b

  4. Only b and c

  5. Only c

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is the correct option as this statement is false. The main purpose of water harvesting is to make rainwater percolate under the ground so as to recharge the groundwater.

 
 

Multiple choice

Which of the following is not an advantage of water stored in the ground?

  1. The water stored in the ground does not evaporate.

  2. The water stored in the ground gets loaded with minerals automatically.

  3. The water stored in the ground spreads out to recharge wells.

  4. The water stored in the ground does not promote the breeding of mosquitoes.

  5. The water stored in the ground is protected from contamination by human and animal wastes.

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

 
 

Multiple choice

Which of the following statements is associated with Tawa Dam?

  1. It could not be used to store water.

  2. Its oustees are still fighting for the benefits they were promised.

  3. It is still unbuilt due to people's protests.

  4. It could not produce electricity.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Tawa Dam is located at the joining of Tawa river and Denwa river, in Hoshangabad district, Madhya Pradesh. It was built in 1978. It was mainly built for irrigation purpose. This dam irrigates a large area of Hoshangabad district.

Option (2) is correct. Construction of such dams displaces large number of peasants and tribals, which stay nearby. Also, poor tribals who do not get any benefits from these projects are alienated from their lands without adequate compensation. The oustees of the Tawa Dam are still fighting up for the benefits they were promised.

Multiple choice

___________ is a modern method of irrigation.

  1. Moat

  2. Sprinkler system

  3. Dhekli

  4. Rahat
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Sprinkler system is a modern method. In this method, water is supplied through a nozzle in the form of sprinkle. It saves the excess use of water.

Multiple choice

In arid zone, wells are dug near the tanks. Why?

  1. For getting large quantity of water

  2. For reducing salinity of water

  3. For making water of tank useful

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In arid regions, high evaporation causes salts to concentrate in tank water. When wells are dug near tanks, the fresher well water mixes with and dilutes the more saline tank water through percolation, making the combined water more usable for irrigation and drinking.

Multiple choice

The conventional sources of irrigation are

  1. canals

  2. wells

  3. rivers

  4. all of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Canals, wells, and rivers are all traditional or conventional sources of irrigation in India. These methods have been used for centuries and form the backbone of agricultural water supply. Modern irrigation includes tube wells and drip systems, but canals, wells, and rivers remain fundamental conventional sources.