General Physica...

Consider the following surface winds:
1. Doldrums 
2. Trade winds
3. Westerlies 
4. Polar winds 
Which one among the following is the idealised global pattern of these winds from the Equator to the pole?

Regarding Walker cycle. Choose the correct statement.
1. It is a convective cycle.
2. It is driven by pressure gradient in East - West direction.
3. It was discovered by G.T Walker.

EL Nino is known to affect world climate for a year or two. Regarding its effect choose correct statement.
1. Drought condition in Australia.
2. Heavy precipitation along coast of Peru.
3. Devastating effect on marine life.
4. Harmful for corals.

Nights are cooler in the deserts than in the plains because ____________.

Most of the phenomena related to weather take place in _________.

The horizontal wind circulation near the Earth's surface is due to the:
1. Pressure gradient
2. Frictional force 
3. Coriolis force
Select the correct answer using the codes given below.

Processes that lead to different topographic features are:
(1) tectonism
(2) chemical dissolution
(3) periglacial processes
(4) mass wasting.

Geomorphically, what all processes lead to sculpting a landscape?
(1) Weathering 

In temperate region frontal activity plays active role in deciding weather. Choose correct statement regarding it.
1. Process associated with creation of new fronts or regeneration of decaying fronts is called frontogenesis.
2. Destruction of fronts is called frontolysis.

Which one of the following islands is of volcanic origin?