Ozone layer depletion

Q. Since decades, Antarctica has been a place of intense scientific research. Various countries have established their bases in Antarctica to study the impact of climate change. The ozone hole was discovered in 1985 in Antarctica. Which of the following is true regarding ozone hole?

1. True

2. False

3. If ozone hole appears in tropical and temperate regions, it could cause a series of health problems.
4. Ozone hole occurence is a seasonal phenomenon.

Q. Where is the ozone hole located?

1. Over South America
2. Over Africa
3. Over Australia
4. Over Antartica

Q. Which of the following can damage the ozone layer?

1. Chlorofluorocarbons
2. Fertilizers
3. Pesticides
4. Carbon dioxide

Q.

Why the usage of the following products given in the image have to be minimized?

1. They are expensive.

2. They contain CFC(Chlorofluorocarbons).

3. They contain inflammable material.

4. They are not easily disposed.

Q.

The ozone layer protects the environment by:

1. Not allowing sun rays to enter earth's atmosphere.

2. Producing more oxygen.

3. Not allowing harmful UV rays to enter earth's atmosphere.

4. Ozone layer is harmful for our environment.

Q.

Which of these is a major component in coolant in refrigerators?

1. Ammonia

2. Hydrogen peroxide

3. Chloroflurocarbon

4. Sodium hydroxide

Q.

What layer in the atmosphere is responsible for filtering out solar radiation?

1. Torque Layer

2. Egg Layer

3. Ozone Layer

4. Green Layer

Q. Function(s) of ozone layer is/are

1. Traps heat on Earth
2. All of the above
3. Prevention of skin cancer
4. Protection from UV light

Q.

The major cause for depletion of ozone layer in stratosphere can be attributed to:

1. Increased usage of CFCs.

2. Decreased use of CFCs.

3. Increase in sulphur dioxide and carbon monoxide.

4. Increase in the level of greenhouse gases.

Q. Ozone depletion is caused by chlorofluorocarbons.

1. True
2. False