The Importance of Trees Quiz

What is one of the reasons trees are important?

• Produce paper

• Produce plastic

• Produce glass

• Produce metal

How many trees are estimated to be left in the world currently?

• 7 trillion

• 5 trillion

• 3 trillion

• 1 trillion

How many trees are being cut down each year at the current rate?

• 20 billion

• 15 billion

• 10 billion

• 5 billion

What would happen if all trees were cut down in terms of animal species?

• They will go extinct

• They will multiply

• They will thrive

• They will fly

What would happen if all trees were cut down in terms of soil erosion?

• It will remain the same

• It will disappear

• It will increase

• It will decrease

How do trees contribute to cloud formation and rainfall?

• By absorbing water

• By converting water to ice

• By drawing water from the soil and depositing it into the atmosphere

• By blocking water

What effect do trees have on the earth's climate?

• Neutral effect

• Cooling effect

• Heating effect

• Drying effect

What is the average global tropical forest loss per year?

• 3 million hectares

• 4 million hectares

• 1 million hectares

• 2 million hectares

What is the best time to plant a tree according to the text?

• 20 years ago

• 1 year ago

• 5 years ago

• 10 years ago

What will happen if all trees are cut down in terms of global warming?

• It will decrease

• It will remain the same

• It will increase

• It will disappear