This set of Energy & Environment Management Multiple Choice Questions & Answers (MCQs) focuses on “Deforestation”.
1. What is the cause for discoloration in fresh water?
a) Fungal bloom
b) Viral bloom
c) An algae bloom
d) Bacterial bloom
Explanation: Algae blooms are the most common problems encountered by fresh water bodies like lake and pond. Certain forms of algae may harbor toxins. By mechanical and physical intervention we can keep the fresh water clean and clear.
2. The Great Smog in 1952 caused in which city?
d) New York
Explanation: In 1952 severe air pollution caused in London. It combined with an anticyclone cold weather, windless conditions and collected air borne pollutants which is raised from the use of coal. This is one of the clear example of deforestation and lack of fresh air.
3. In which forest we can see deforestation in large extent?
a) Atlantic forest
b) Amazon forest
c) Borneo forest
d) Sumatra forest
Explanation: According to World Wildlife report Amazon forest is the region where we can see more number of deforestation than any other region. Amazon forest which is the world’s largest forest is also the site of the biggest projected loss due to deforestation.
4. Due to deforestation the pure air that we intake became less in its availability.
Explanation: The air humans and other animals consume is oxygen. Trees release oxygen when they use energy from sunlight to male glucose from carbon dioxide and water. But due to deforestation there is a lack of trees which thereby reduced the air production and this also cause increase in carbon dioxide level.
5. The biggest driver of deforestation is_______________
b) Forest fire
c) Volcanic activities
d) Soil erosion
Explanation: The biggest driver of deforestation is Agriculture. This is due to, farmers cut forests to provide more space for planting crops. The other reason is grazing livestock. The process of burning of trees by cutting them is known as slash agriculture.
6. The best way to reduce deforestation is by_________________
a) Using more paper
b) Clear more area of trees to grow plant
c) Burning forest in order to create cultivated land
d) Clear more area of plants to grow trees
Explanation: In order to reduce deforestation we need to make sure it is possible only by growing more number of trees. The large trees will make dense forest and by this only we can able to avoid deforestation. All the other options create deforestation.
7. Due to deforestation how much fields worth of trees is lost per minute?
a) 12 football
b) 24 football
c) 36 football
d) 48 football
Explanation: According to World Wildlife Fund about 36 football fields worth of trees lost every minute. It’s due to various reasons like agriculture, for logging, for bio fuels, for the construction of roads, mining etc.
8. Rain forest land is most often cleared for___________
b) Forest fire
c) Human activities
d) High pressure
Explanation: In rain forest land is majorly losing its land due to human activities. Large areas of rain forest are being cut down often in order to remove just a few logs. Rain forest is being destroyed at double the rate than ever. There is a very high rate of extinction.
9. The main cause of wildfire is____________
a) Volcanic activity
d) Human activity
Explanation: Human beings are the number one cause of wildfires. Many of these wildfires are caused by cigarette butts being left on the land. Some of the man made causes of wildfires are, burning debris, arson, equipment failure, unattended campfires.
10. Which nation is most affected by deforestation?
Explanation: Honduras is the nation which is most affected by deforestation. In Honduras 37% of forest land is lost due to deforestation. Whereas Indonesia, Benin and Ghana saw a decline of 26%, 31%, 28% respectively.
11. Deforestation is a good process.
Explanation: No, deforestation is not a good process. Deforestation clears the forest area which directly effect animals and environment. Though there are some advantages of deforestation like agricultural practices and create an opportunity to graze animals. But instead of this we can use alternative methods in order to save forest.
12. Which type of farming cause more amount of deforestation?
a) Subsistence farming
b) Commercial farming
c) Mixed farming
d) Dairy farming
Explanation: According to the United Nations Framework Convention on climate change, the direct cause of deforestation is agriculture. In agriculture Subsistence farming is responsible for 48% of deforestation and commercial farming is responsible for 32%.
Sanfoundry Global Education & Learning Series – Energy & Environment Management.
To practice all areas of Energy & Environment Management, here is complete set of 1000+ Multiple Choice Questions and Answers.