Prelims Power Play 13 October 2023

1. Earth’s atmosphere comprises five major layers:

1. Troposphere
2. Stratosphere
3. Mesosphere
4. Thermosphere
5. Exosphere

Which of the following is correct arrangement from lowest to the top layer?

2. Consider the following statements regarding Ozone Hole

1. Ozone hole is the area above Arctic where the ozone layer is the thinnest.
2. Ozone layer is found in the upper layer of atmosphere called stratosphere.
3. The chief cause of this depletion was the use of a class of industrial chemicals, most common in which were Hydrofluorocarbons (HFCs)

How many of the above is/are correct? Select the correct answer using the code given below:

3. Chlorofluorocarbon (CFC) mainly responsible for ozone hole is used in

1. Air conditioning
2. Refrigeration
3. Paints
4. Foam and packing material

Select the correct answer?

4. Consider the following statements related to Global hunger Index

1. It is brought out by FAO every year.
2. India’s rank on GHI has been improving
3. India is in the ‘serious’ hunger category on GHI.

Which of the following statement(s) is/are correct?

5. As per theory of comparative advantage gains follow from allowing economy to specialise. In this context India’s comparative advantage can be in