CHAPTER 18 POLLUTION OF AIR AND WATER

Green House gas is

• Carbon dioxide

• Nitrogen

• Oxygen

• Methane

CNG is a

• Polluted fuel

• Clean fuel

• None

• Harmful fuel

______ campaign organized by children from many schools made a big difference to the air pollution that levels around Diwali [First letter only capital, no full stop]

The majority of people living in regions that are threatened by global warming are in:-

• North American

• Africa

• Antarctica

• Asia

The event where lakhs of trees are planted in July every year

• Van Mahotsav

• The Clean Air India Movement

• NCAP

• Say no to crackers

Delhi was being choked by fumes released from automobiles running on ____ and _____

• Petrol

• Diesel

• LPG

• Natural Gas

A recent climate change report gives us only a limited time to keep the greenhouse gases at the present level. Otherwise, the temperature may rise more than 2 degree Celsius by the end of the century, a level considered safe.

• True

• False

What is the Kyoto protocol

• An agreement to reduce the emission of greenhouse gases

• A campaign led to bring back the dead to life

• An awareness program to bring more concern to the youths about their environment

• Another name for Global warming

An increase in the earth's temperature by even as little as 0.5 celsius can have such a serious effect!

• True

• False

CO2 is continuously being released because of ______

• Fireworks

• Agriculture

• Animals

• Human activities