Speed of wind is measured by

(1) barometer

(2) hygrometer

(3) thermometer

(4)anemometer

Trade winds are due to

(1) Conduction

(2) Convection

(3) Radiation

(4) Scattering

Ozone-hole in the atmosphere is largely caused by the presence of

(1) Oxygen

(2) Hydrogen

(3) Chloro-fluoro-carbon

(4) Radio-active waste

The term Roaring Forties is related to the

(1) Trade winds

(2) Planetary winds

(3) Westerlies

(4) Polar winds

The line on a map connecting points of equal temperature at a given time is

(1) Isohyet

(2) Isobar

(3) Isthumus

(4) Isotherm

Where do most of the weather phenomena take place?

(1) Ionosphere

(2)Troposphere

(3) Stratosphere

(4)Tropopause

Very strong and cold icy winds that blow in the Polar regions are called

(1) Typhoons

(2) Tornadoes

(3) Blizzards

(4) Polar winds

Condensation is the reverse of

(1) Vaporization

(2) Smog

(3) Cirrus cloud

(4) Fog

Daily weather changes in the atmosphere are associated with

(1) Troposphere

(2) Mesosphere

(3) Ionosphere

(4) Stratosphere

A tropical storm in the Chinese Sea is known as–

(1) Wave

(2) Tornado

(3) Typhoon

(4) Cyclone

Convectional Rainfall occurs in:

(1) Equatorial region

(2) Temperate region

(3) Tropical region

(4) Polar region