TEST SERIES- 7 (II)

97% of the atmosphere lies with in ........... of the surface of the earth.

• 50 km

• 29 km

• 5 km

• 15 km

The ozone layer lies in the

• Troposphere

• Stratosphere

• Photosphere

• Tropopause

The most important factors that affect climate around the world are

• distance from the sea

• direction of prevailing winds

• proximity to the equator

• All of the above

The lower layer of the atmosphere is known as

• Mesosphere

• Mesosphere

• Ionosphere

• Troposphere

Atmosphere gets heated up

• In the early morning

• At mid day

• After mid day

• In the late evening

Which type of layer extends from an average altitude of 11 to 50 km above the Earth’s surface

• Stratosphere

• Troposphere

• Mesosphere

• Ionosphere

Rotation of the earth causes deflection of wind by

• Coriolis force

• Dynamic force

• Gradient force

• Gravity force

The composition of the atmosphere

• vries from place-to-place

• remains relatively constant in the lower layers

• varies with seasons

• varies with latitude

Which is the chief characteristics of wet and dry tropics?

• Constant heating

• Constant cooling

• Constant humidity

• Constant precipitation

The atmospheric layer which reflects radio waves is called

• Exosphere

• Stratosphere

• Ionosphere

• Thermosphere