Environmental Studies · Geography

Water Conservation and Management

2,823 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 depletion of water table water a precious resource biology

Drip irrigation was commercialized first in by Israeli agronomists in the year of

  1. 1970's.

  2. 1980's.

  3. 1990's.

  4. 2000's.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Drip irrigation technology was developed and commercialized by Israeli engineers (notably Simcha Blass and his company) in the 1960s-1970s. The 1970s saw widespread commercial adoption of this water-efficient irrigation method, making option A correct. Later decades saw improvements but the initial commercialization was earlier.

Multiple choice depletion of water table water a precious resource biology

Why is agriculture the cause of water scarcity?

  1. Because a large amount of crops require quality water in huge quantities.

  2. Because agriculture is the largest user of water.

  3. Both A and B.

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

Use of water in agriculture is the main cause of water scarcity because a large amount of appropriate quality and quantity of water is essential for the production of crops which makes agriculture is the largest user of water.

Multiple choice social science water: a precious resource water table groundwater and depletion of water table the water cycle

The water table of a place :

  1. changes from time to time

  2. changes from palce to place

  3. goes down when rains are less

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

Water table is also called ground water table and it changes from time to time, and from place to place according to availability of sources and it goes down when rains in monsoon season are less.

Multiple choice social science water: a precious resource water table groundwater and depletion of water table the water cycle

In a small town, the number of water pumps, concrete houses and roads increased. The water table of that place will :

  1. get lower

  2. get higher

  3. remain unaffected

  4. none of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The level of water table falls in a place, where the number of water pumps increases because with the help of water pumps groundwater is extracted and this depleted groundwater is not replaced as concrete houses and roads do not allow the rainwater to seep through the soil.

Multiple choice social science water: a precious resource water table groundwater and depletion of water table the water cycle

In a small town, the number of water pumps, concrete houses and roads increased. The water table of that place will:

  1. get lower

  2. get higher

  3. remain unaffected

  4. none of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Due to number of water pumps the water level decreases due excess use of water, and if the number of roads and houses increases the rainwater absorption decreases so that ground water cannot refill after the excess use. 

Multiple choice social science water: a precious resource water table groundwater and depletion of water table the water cycle

Deplaction of the water table is due to which of the following resion?

  1. insufficient rain fall

  2. industrial activities

  3. excess of tube wells

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

All the given reasons as insufficient rainfall, industrial activities and excessive use of ground water are responsible for the depletion of water table. 

Multiple choice social science water: a precious resource water table groundwater and depletion of water table the water cycle

The water table is:

  1. the upper level of an underground surface in which the soil or rocks are permanently saturated with water.

  2. the upper level of an underground surface in which the soil or rocks are unsaturated with water.

  3. the lower level of an underground surface in which the soil or rocks are permanently saturated with water.

  4. the lower level of an underground surface in which the soil or rocks are unsaturated with water.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The water table is also known as ground water table in which water seeps into the ground and move downward till it reaches the stage of saturation. The velocity at which water flows underground depends on the permeability of the rocks.

Multiple choice social science water: a precious resource water table groundwater and depletion of water table the water cycle

The water table fluctuates:

  1. by climatic variations

  2. by the amount of precipitation used by vegetation

  3. by withdrawing excessive amounts of water from wells

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

The water table is also known as ground water table in which water seeps into the ground and move downward till it reaches the stage of saturation hence it fluctuates by changes in seasons, precipitation or by withdrawing a large amount of water. 

Multiple choice social science water: a precious resource water table groundwater and depletion of water table the water cycle

Which of the following does not cause a depletion in the water table of a place?

  1. Constructing factories and houses

  2. Making concrete roads and floors

  3. Deforestation

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

All the three options cause depletion in water table in a place as first and second case consume water and third case decrease water retention of soil and also decrease rainfall.

So, none of these is the correct option.                     

Multiple choice social science water: a precious resource water table groundwater and depletion of water table the water cycle

What happens to the water table of a place having droughts for a long period of time?

  1. It gets higher because of continuous evaporation and flow.

  2. It gets lower because of continuous evaporation and flow

  3. It gets replenished continuously

  4. can't say anything
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The water table is also called as groundwater table. It's recharge depend on the recharge from infiltration of precipitation so when a drought hit the land surface it affects the water level below ground. This result in falling groundwater level due to evaporation and flow.

So, the correct option is 'it gets lower due to continuous evaporation and flow'.

Multiple choice social science water: a natural resource water table groundwater and depletion of water table the water cycle

At places, the groundwater is stored between layers of hard rock below the water table. This is known as __________.

  1. a reservoir

  2. an aquifer

  3. a hard water

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

An aquifer is an underground layer of water-bearing permeable rock, rock fractures or unconsolidated materials (gravel, sand or salt). Ground water can be extracted using a water well.

Multiple choice social science water: a natural resource water table groundwater and depletion of water table the water cycle

Water in the aquifers can be usually pumped out with the help of:

  1. handpumps

  2. drilling

  3. tubewell
  4. both $A$ and $C$
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

When a water-bearing rock readily transmits water to wells and springs, it is called an aquifer. Wells can be drilled into the aquifers and water can be pumped out with handpump or tubewell.

Multiple choice social science water: a natural resource water table groundwater and depletion of water table the water cycle

Groundwater gets recharged by the process of:

  1. pumping

  2. heavy rainfall

  3. infiltration

  4. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Groundwater gets recharged by this process of infiltration.
Infiltration is the process by which precipitation or the bulk of rainwater and melted snow soaks into subsurface soils and moves into rocks through cracks and pore spaces. so when the water soaks into the ground the groundwater gets recharged.