Which of the following forests is known as the ‘lungs of the planet Earth’?
Which of the following forests is known as the ‘lungs of the planet Earth’?

a. Taiga forest

b. Tundra forest

c. Amazon rain forest

d. Rain forests of North East India

Answer: c. Amazon rain forest

Explanation: The Amazon’s Tropical Rainforest is known as the planet ‘lungs’ because they are responsible for producing about 20% of the world’s oxygen. They remove large amounts of carbon dioxide from the air and release oxygen. So, the correct answer is ‘Amazon rainforest’.