Question 1

Smog = a come from:&#10;A)Smoke in dog's stomach&#10;B)Smoke + fog&#10;C)Smoke dog&#10;D)frog in fog

Accepted Answer

Smog is a type of air pollution that is a combination of smoke and fog, hence the term "smog."

Question 2

The gas used in refrigerating appliance causing serious damage to ozone is&#10;A)MFCs&#10;B)CFCs&#10;C)LPCs&#10;D)DPCs

Accepted Answer

CFCs (Chlorofluorocarbons) are the gases used in refrigerating appliances that cause serious damage to the ozone layer.

Question 3

Acid rain mainly contains&#10;A)Sodium chloride&#10;B)Sulphur di oxide and Nitrogen di oxide&#10;C)Hydrochloric acid&#10;D)Carbon tetra chloride

Accepted Answer

Acid rain is primarily caused by the release of sulfur dioxide (SO2) and nitrogen oxides (NOx) into the atmosphere, which then react with water vapor to form sulfuric acid and nitric acid, respectively. These acids are then deposited back onto the earth's surface as acid rain.

Question 4

Marble cancer is caused by&#10;A)bacteria&#10;B)virus&#10;C)Acid rain&#10;D)Alkali rain

Accepted Answer

Marble cancer is caused by acid rain. Acid rain corrodes the surfaces of buildings and statues made of marble and limestone, leading to damage referred to as "marble cancer."

Question 5

Greenhouse effect is&#10;A)Painting house green in colour&#10;B)Wearing green colour dress&#10;C)Having green room in the house&#10;D)Sun's heat is trapped and not allowed to

Accepted Answer

The greenhouse effect refers to the process by which certain gases in Earth's atmosphere trap heat, preventing it from escaping back into space, thus warming the planet.

Question 6

Greenhouse gases includes A)CO₂, Methane, Nitrous oxide B)CO₂, Argon, Nitrous oxide C)CO₂, Methane, Chlorine D)CO₂, Methane, Flourine

Accepted Answer

Greenhouse gases include carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O). These gases trap heat in the atmosphere, contributing to the greenhouse effect and global warming. Argon, chlorine, and fluorine are not considered greenhouse gases in this context.

Question 7

_____ is a commonly used chemical method for purifying water.&#10;A)Brominization&#10;B)Flourination&#10;C)Filtration&#10;D)Chlorination

Accepted Answer

Chlorination is a widely used chemical method for purifying water because it effectively kills bacteria and other pathogens, ensuring the water is safe for drinking.

Question 8

Ganga Action Plan is associated with&#10;A)Increase of fish culture in the Ganges&#10;B)Reduce Ganga water pollution&#10;C)Construct more bridges over the Ganges&#10;D)Increase water transport on the Ganges

Accepted Answer

The Ganga Action Plan is primarily associated with reducing water pollution in the Ganges river.

Question 9

Van Mahotsav is&#10;A)Planting trees in January&#10;B)Cutting trees in January&#10;C)Cutting trees in July&#10;D)Planting trees in July

Accepted Answer

Van Mahotsav is an annual tree-planting festival in India, celebrated in the first week of July, which involves planting trees.

Deck 1: Environmental Science : Pollution, Climate Change, and Conservation Efforts