What is true about earthquakes ?
Not catastrophic
Exclusively occurs in hilly region
Exclusively occur at plate boundaries
How many seismic stations are required to locate the epicenter of an earthquake?
2
3
4
5
In a northern hemisphere anti-cyclone, the wind flow is :
Counterclockwise inward
Counterclockwise outward
Clockwise outward
Clockwise inward
The Richter scale measures.
Number of death
Length of fault
Energy released by an earthquake
Size of its epicenter
The band of rapidly flowing air found aloft above the polar front is a :
Polar easterly
Pressure gradient
Trade wind
Jet stream
Which of these lowers the risk of mass movement?
Steeper slope
Earthquake
Deep-rooting vegetation
Increased irrigation
The pool of cold air that gets pinched off during Rossby wave formation forms a :
High pressure cell
Cyclone
Anti cyclone
Tidal waves
A mass sliding down a slope without rotating gains which type of energy?
Potential
Kinetic
Rotational
Latent heat
On which time scale do high tides occur?
Daily
Weekly
Monthly
Yearly
Which of the following natural phenomenon kills majority of people per year in India ?
Hurricanes
Tornadoes
Earthquakes
Lightning strikes
