Tips to solve reading comprehension questions of UPSC (IAS) CSAT paper

https://docs.google.com/document/d/1fKb_CUoPW9QLaKBiVuHCbtX9jLDW4g1AgkKrS3IGDK4/edit?usp=sharing

Anlysis of UPSC (IAS) prelims exam topics

https://drive.google.com/file/d/0B2rtAUkCRtHLRVZVN2hBZk5WN1U/edit?usp=sharing

Food for thought- UPSC (IAS) prelims special

1. In spite of sun rays reaching the earth from above, why does the temperature decreases with height (in the troposphere)? 
   

2. Atmosphere is heated by long wave or short wave radiation? (related to Q1)
   
3. Global warming is caused by trapping of outgoing radiation by greenhouse gases. This radiation is longwave radiation or shortwave radiation?
   

4. One of the effects of global warming is sea level rise. How does the global warming cause sea level rise? 
   
5. Coriolis force causes winds to move to its right in the northern hemisphere and to its left in the southern hemisphere( Ferrell's law). Since it is a force, it has to have a cause. What causes this force? Is it a real force or apparent (fictitious) force?

Food for thought- UPSC (IAS) prelims special

1. Orographic barriers are needed for monsoonal winds to shed their moisture. In India, Western Ghats, Eastern Ghats and Himalayas serve as barriers to at various stages of monsoon. Which mountains act as barriers to which phase (NE and SW)?

2. Consider the following annual rainfall map for India. What are the reasons for low rainfall (0-20 cm) observed in the Deccan plateau and western India?