Environmental Study 2nd Sem

O₃ is

• Oxygen

• Ozone

• Hydrogen

• Nitrogen

Environmental Study deals with_________

• Plants

• Animals

• Microbes

• Natural World

which of the following is responsible for desertification?

• Deforestation

• Over grazing

• Soil erosion

• All the above

Acid rain is Caused by_________

• Water Pollution

• Air Pollution

• Sound Pollution

• Soil Pollution

The Primary Cause of Acid Rain around the world

• Carbon dioxide

• Sulphur dioxide

• Carbon Monoxide

• Ozone

Answer explanation

Acid rain is caused by emissions of acidic gases like sulphur dioxide (S2O), nitrogen (N2O) and carbon oxides, which react with the water molecules in the atmosphere to produce acids.

Fluorid Pollution Mainly effects

• Heart

• Brain

• Theeth

• Kidney

The most important agents for ozone depletion is _________

• CFC's

• Methane

• Nitrous Oxide

• Sulphur

Answer explanation

Chlorofluorocarbons (CFCs)

Soil erosion can be prevented by

• Growing more plants

• over grazing

• Making land slope

• None of the above

The highly polluted river in India is_________

• Ganga

• Krishna

• Kali

• Kaveri

Answer explanation

Yamuna River is the highly polluted river. Ganga River is in 2nd place.

Which one of the following Pair is not correctly matched ?

• Forest Conservation act-1980

• Wildlife Protection act-1972

• Environmental Protection act-1965

• Prevention and control of air pollution act-1981

Answer explanation

Environmental Protection act-1986