The Environment I

1. How many species of animal are known to science (approximately)?

• 5 million

• 6 million

• 8 million

• 9 million

2. How many species (not including microbes and bacteria) are estimated to be existing in the world but not discovered by science (approximately).

• 5 million

• 6 million

• 8 million

• 9 million

3. Look at the images. Which animal is the odd-one-out?

• Great Auk

• Tasmanian Wolf

• Quagga

• White Rhino

4. 157,100 species are on the IUCN Red List of endangered animals. What percentage of mammals are threatened with extinction?

• 3%

• 6%

• 16%

• 26%

5. Which of these animals is NOT threatened with extinction?

• Blue Whale

• Octopus

• Gorilla

• Tiger

6. Bees pollinate 66% of the world’s crops and are declining in Europe and the US because of habitat loss and land use change. Which of these fruit and vegetables would not be threatened by bee extinction?

• Apples

• Carrots

• Lemons

• Tomatoes

7. How much has atmospheric carbon dioxide increased since the 18th century.

• 5%

• 15%

• 25%

• 50%

8. Which of these produces the most methane (like carbon dioxide, methane is also a greenhouse gas)?

• Biomass Burning

• Landfill and Waste

• Livestock Farming

• Rice Agriculture

9. The upper limit for global temperature increase (above pre-industrial levels) as decided by the Kyoto Protocol (1997) and the Paris Agreement (2016) is:

• 2 degrees Celsius

• 3 degrees Celsius

• 5 degrees Celsius

• 6 degrees Celsius

10. With rising global temperatures, the oceans will rise (due to thermal expansion of water and melting glaciers and ice sheets). In which country will the most people be under threat by rising sea levels?

• Bangladesh

• China

• India

• The Maldives