Deforestation and Water Resources: A Delicate Balance

Description: Deforestation and Water Resources: A Delicate Balance
Number of Questions: 15
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Tags: deforestation water resources environment
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Which of the following is NOT a consequence of deforestation on water resources?

  1. Reduced water infiltration and storage

  2. Increased surface runoff and erosion

  3. Diminished water quality

  4. Enhanced water availability


Correct Option: D
Explanation:

Deforestation typically leads to reduced water infiltration and storage, increased surface runoff and erosion, and diminished water quality, but it does not enhance water availability.

How does deforestation impact the water cycle?

  1. It increases evapotranspiration and reduces precipitation

  2. It decreases evapotranspiration and increases precipitation

  3. It has no significant impact on the water cycle

  4. It reverses the direction of water flow


Correct Option: A
Explanation:

Deforestation reduces the number of trees that transpire water vapor into the atmosphere, leading to decreased precipitation and increased evapotranspiration.

Which of the following is NOT a way in which deforestation affects water quality?

  1. Increased sediment load

  2. Elevated nutrient levels

  3. Reduced dissolved oxygen levels

  4. Improved water clarity


Correct Option: D
Explanation:

Deforestation typically leads to increased sediment load, elevated nutrient levels, and reduced dissolved oxygen levels, but it does not improve water clarity.

How does deforestation contribute to soil erosion?

  1. It reduces the protective cover of vegetation

  2. It increases the water-holding capacity of the soil

  3. It enhances soil fertility

  4. It promotes soil conservation


Correct Option: A
Explanation:

Deforestation removes the protective cover of vegetation, making the soil more susceptible to erosion by wind and water.

Which of the following is NOT a potential consequence of deforestation on aquatic ecosystems?

  1. Loss of fish habitat

  2. Increased water temperature

  3. Enhanced biodiversity

  4. Reduced sedimentation


Correct Option: C
Explanation:

Deforestation typically leads to loss of fish habitat, increased water temperature, and reduced sedimentation, but it does not enhance biodiversity in aquatic ecosystems.

How does deforestation impact the availability of water for human use?

  1. It increases water availability for irrigation

  2. It reduces water availability for domestic use

  3. It has no significant impact on water availability

  4. It enhances water quality for drinking


Correct Option: B
Explanation:

Deforestation reduces water infiltration and storage, leading to decreased water availability for domestic use, such as drinking, cooking, and sanitation.

Which of the following is NOT a strategy for mitigating the impacts of deforestation on water resources?

  1. Reforestation and afforestation

  2. Soil conservation practices

  3. Water conservation measures

  4. Increased deforestation for economic development


Correct Option: D
Explanation:

Reforestation and afforestation, soil conservation practices, and water conservation measures are all strategies for mitigating the impacts of deforestation on water resources, while increased deforestation for economic development would exacerbate the problem.

How does deforestation affect the hydrological cycle?

  1. It increases water infiltration and reduces runoff

  2. It decreases water infiltration and increases runoff

  3. It has no significant impact on the hydrological cycle

  4. It reverses the direction of water flow


Correct Option: B
Explanation:

Deforestation reduces the number of trees that absorb rainwater, leading to decreased water infiltration and increased surface runoff.

Which of the following is NOT a consequence of deforestation on groundwater recharge?

  1. Reduced infiltration of rainwater

  2. Increased groundwater storage

  3. Lowered water table levels

  4. Enhanced groundwater quality


Correct Option: D
Explanation:

Deforestation typically leads to reduced infiltration of rainwater, increased groundwater storage, and lowered water table levels, but it does not enhance groundwater quality.

How does deforestation contribute to flooding?

  1. It reduces the water-holding capacity of the soil

  2. It increases the rate of water infiltration

  3. It enhances water storage in wetlands

  4. It promotes flood control measures


Correct Option: A
Explanation:

Deforestation reduces the number of trees that absorb rainwater, leading to decreased water infiltration and increased surface runoff, which can contribute to flooding.

Which of the following is NOT a potential impact of deforestation on water resources in urban areas?

  1. Increased stormwater runoff

  2. Reduced water quality

  3. Enhanced water conservation

  4. Improved flood control


Correct Option: D
Explanation:

Deforestation in urban areas typically leads to increased stormwater runoff, reduced water quality, and enhanced water conservation, but it does not improve flood control.

How does deforestation affect the water cycle in tropical regions?

  1. It increases evapotranspiration and reduces precipitation

  2. It decreases evapotranspiration and increases precipitation

  3. It has no significant impact on the water cycle

  4. It reverses the direction of water flow


Correct Option: A
Explanation:

Deforestation in tropical regions reduces the number of trees that transpire water vapor into the atmosphere, leading to decreased precipitation and increased evapotranspiration.

Which of the following is NOT a consequence of deforestation on water resources in agricultural landscapes?

  1. Increased soil erosion

  2. Diminished water quality

  3. Enhanced water storage capacity

  4. Reduced water availability for irrigation


Correct Option: C
Explanation:

Deforestation in agricultural landscapes typically leads to increased soil erosion, diminished water quality, and reduced water availability for irrigation, but it does not enhance water storage capacity.

How does deforestation contribute to water scarcity?

  1. It reduces water infiltration and storage

  2. It increases water availability for human use

  3. It enhances water conservation measures

  4. It promotes water recycling and reuse


Correct Option: A
Explanation:

Deforestation reduces water infiltration and storage, leading to decreased water availability and increased water scarcity.

Which of the following is NOT a potential impact of deforestation on water resources in coastal regions?

  1. Increased salinity intrusion

  2. Reduced water quality

  3. Enhanced coastal erosion

  4. Improved water conservation practices


Correct Option: D
Explanation:

Deforestation in coastal regions typically leads to increased salinity intrusion, reduced water quality, and enhanced coastal erosion, but it does not improve water conservation practices.

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