Important Questions for Unit Test 3rd-Page 1

• What is meant by hazards?
• Name the diffetent types of hazards.
• Why are  droughts frequent comes in Rajasthan and Gujarat ?
• What is an earthquake ?
• Define disasters ?
• Write name of two state where floods come frequently ?
• What is land slides.
• What do you mean by Tsunami ?
• Which months have maximum frequency of cyclonic storms in India ?
• Which states receives floods in the winter months ?
• In which river Majuli island is situated ?
• What do you understand by the term " Greenhouse Gases " ?
• When does a hazard become a disaster ?
• Name the green house gases .
• Which planet is known as “Blue Planet’’?
• What are the major division of ocean Floor?
• Name the deepest trench in the world .
• The process in which liquid transform into gas is known as. 
• Define salinity of ocean water .
• Name the different types of clouds .  
• Define Precipitation.
• What is Evaporation?
• What do you understand by the term Humidity?
• What is dew point? 
• How many major climatic groups are recognized by Koppen?
• What climatic data are used in Koeppens scheme of classifying climates?
• What is the importance of ozone gas?