Environment Quiz - Deforestation (Questions)

The main problem facing the environment at the moment is not climate change - although it soon will be. No, species are dying out at a massive rate because of habitat loss. The main reason for this is deforestation, but how can we fight to stop it?

The primary reason for deforestation is to make way for farms. We're chopping down millions of acres of forest to create grazing land for cattle or arable land for crops. All this to feed the ever increasing human population, already in the billions. But what good is food if we can't breathe? Forests not only provide us with oxygen, they also cleanse carbon dioxide from the atmosphere, and so help to tackle global warming.

Three-quarters of land animals live in forests and we're removing their homes for purely selfish reasons. And it's not just animals - countless species of tropical plant have become extinct before we even discovered them.

Find out how we can help to end deforestation by playing this quiz. World governments can make the biggest difference, but we can all do our little bit.

1. We all know that trees produce oxygen. How many mature sycamore trees are needed to provide enough oxygen for one person?
[ ] One or two
[ ] Seven or eight
[ ] Twenty or thirty
[ ] Fifty or sixty
2. As well as producing oxygen, trees also remove carbon dioxide from the air. Each year they remove what fraction of the CO2 humans put into the atmosphere?
[ ] One half
[ ] One quarter
[ ] One eighth
[ ] One sixteenth
3. Deforestation causes lots of problems. Which of the following is NOT caused by deforestation?
[ ] Increased greenhouse gasses
[ ] Flooding
[ ] Plastic pollution
[ ] Habitat loss
4. Forests are vital to life on Earth. How much of the Earth’s land is covered by forests?
[ ] One third
[ ] One half
[ ] Two thirds
[ ] Three quarters
5. Forests are being cut down at a rate of 18.7 million acres per year. That’s 3 times the size of which country?
[ ] Northern Ireland
[ ] Wales
[ ] France
[ ] China
6. We know that deforestation is a problem, yet we still chop forests down. What is the main reason for this?
[ ] To make way for farms
[ ] Logging for timber and fuel
[ ] Mining
[ ] All of the above
7. To create farmland, forests are cut down and their stumps and seedlings burned. What is the name of this agricultural method?
[ ] Hack and flame
[ ] Chop and char
[ ] Slash and burn
[ ] Axe and ash
8. How many species are we losing a day because of deforestation?
[ ] 1 to 2
[ ] 10 to 20
[ ] 50 to 70
[ ] 100 to 200
9. Tropical rainforests have given us medicines we take for granted. What percentage of our medicines come from them?
[ ] 5%
[ ] 10%
[ ] 15%
[ ] 25%
10. What can you do to fight deforestation?
[ ] Become vegan
[ ] Go paperless
[ ] Recycle card and paper
[ ] All of the above
Environment Quiz - Deforestation (Answers)
1. We all know that trees produce oxygen. How many mature sycamore trees are needed to provide enough oxygen for one person?
[ ] One or two
[x] Seven or eight
[ ] Twenty or thirty
[ ] Fifty or sixty
Trees release oxygen through photosynthesis. A sycamore produces around 100 kg of oxygen per year, and a human breathes in 740 kg of oxygen. We need lots of trees in order to breathe!
2. As well as producing oxygen, trees also remove carbon dioxide from the air. Each year they remove what fraction of the CO2 humans put into the atmosphere?
[ ] One half
[ ] One quarter
[ ] One eighth
[x] One sixteenth
The world's forests remove 2.5 billion tonnes of CO2 from the atmosphere a year - humans put 40 billion tonnes into it. Of course, if there were more trees they would remove more CO2, but we keep chopping them down!
3. Deforestation causes lots of problems. Which of the following is NOT caused by deforestation?
[ ] Increased greenhouse gasses
[ ] Flooding
[x] Plastic pollution
[ ] Habitat loss
70% of our land species live in forests, so chopping them down causes habitat loss. Deforestation also causes soil erosion, which leads to flooding, and it increases the amount of CO2 in our atmosphere. There are many reasons we need to stop damaging our forests
4. Forests are vital to life on Earth. How much of the Earth’s land is covered by forests?
[x] One third
[ ] One half
[ ] Two thirds
[ ] Three quarters
Today there are approximately 3 trillion trees on the planet. Before humans arrived there were more like 7 trillion. We have cut down more than half of the world’s forests already
5. Forests are being cut down at a rate of 18.7 million acres per year. That’s 3 times the size of which country?
[ ] Northern Ireland
[x] Wales
[ ] France
[ ] China
This is at a time when we should be planting more trees!
6. We know that deforestation is a problem, yet we still chop forests down. What is the main reason for this?
[x] To make way for farms
[ ] Logging for timber and fuel
[ ] Mining
[ ] All of the above
Forests are cut down to make grazing land for livestock or land for growing crops, such as palm oil. Logging, mining and climate change also cause deforestation, as do natural forest fires, but not to the same extent as farming
7. To create farmland, forests are cut down and their stumps and seedlings burned. What is the name of this agricultural method?
[ ] Hack and flame
[ ] Chop and char
[x] Slash and burn
[ ] Axe and ash
The felled trees ("slash") are left to dry, after which it is burned, leaving behind a fertile layer of ash – great for farming (at least in the short term), not so great for the forest!
8. How many species are we losing a day because of deforestation?
[ ] 1 to 2
[ ] 10 to 20
[ ] 50 to 70
[x] 100 to 200
Before humans came along, an average of between 1 and 5 species became extinct per year (that's right - per year, not per day!) - that's a ten-thousand-fold increase!
9. Tropical rainforests have given us medicines we take for granted. What percentage of our medicines come from them?
[ ] 5%
[ ] 10%
[ ] 15%
[x] 25%
And we have only tested 1% of the plants found there – by destroying the forests we may be depriving ourselves of future cures for disease
10. What can you do to fight deforestation?
[ ] Become vegan
[ ] Go paperless
[ ] Recycle card and paper
[x] All of the above
70-80% of Amazon deforestation was to make grazing land for livestock. Animals take much more land to rear than crops do. If we all became vegan then the threat to our forests would decrease considerably