Environmental Studies · Geography

Deforestation and Land Degradation

2,619 Questions

Deforestation and land degradation address the environmental impacts of human activities on natural ecosystems. Key areas include soil erosion, forest fires, and the consequences of overgrazing. These subjects frequently appear in the geography and environmental science sections of competitive exams.

Causes of deforestationForest fires consequencesSoil erosion factorsDesertification impactsAgroforestry benefitsReforestation advantages

Deforestation and Land Degradation Questions

Multiple choice

What will be the consequence of indiscriminate cutting of trees?

  1. Amount of carbon dioxide in the air will decrease.

  2. Amount of carbon monooxide in the air will decrease.

  3. Amount of carbon dioxide in the air will increase.

  4. Amount of oxygen in the air will increase.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Trees and plants absorb carbon dioxide during photosynthesis. Indiscriminate cutting of trees reduces this absorption capacity, leading to an increase in the concentration of carbon dioxide in the atmosphere.

Multiple choice

Which of the following statements is/are false about reforestation?

a. It produces a large quantity of raw material for timber trade, paper industry, etc. b. It increases rainfall in a particular area that further raises groundwater level and prevents drought. c. It leads to an increase in global warming by increasing the amount of carbon dioxide in the atmosphere.

  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
E Correct answer
Explanation

This is the correct option as this statement is false. Reforestation leads to a decrease in global warming by decreasing the amount of carbon dioxide in the atmosphere.

Multiple choice

What is/are the main cause/s of soil erosion in Uttar Pradesh?

  1. The winds blowing from desert area

  2. Water logging in Tarai area

  3. Deforestation

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

Soil erosion in Uttar Pradesh is caused by multiple factors, including wind erosion in arid areas, water logging, and significant deforestation.

Multiple choice

Which of the following statements is not correct?

  1. Forests protect the soil from erosion

  2. Plants and animals in a forest are not dependent on one another

  3. Forests influence the climate and water cycle

  4. Soil helps forests to grow and regenerate
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Plants and animals in a forest are always dependent on one another. That is why it is an incorrect statement.

Multiple choice

Deforestation leads to

  1. less rain-fall

  2. frequent floods

  3. soil erosion

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

Deforestation leads to Soil erosion, less rainfall and frequent floods. As plants and trees play an important role in water cycle so deforestation leads to disturbance in water cycle. This results in frequents floods and less rainfall.  Also Deforestation loosens up the soil which leads to soil erosion.