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Olympiad Test: Winds Storms & Cyclones

20 Questions MCQ Test NCERT Textbooks (Class 6 to Class 12) | Olympiad Test: Winds Storms & Cyclones

Description

Attempt Olympiad Test: Winds Storms & Cyclones | 20 questions in 20 minutes | Mock test for UPSC preparation | Free important questions MCQ to study NCERT Textbooks (Class 6 to Class 12) for UPSC Exam | Download free PDF with solutions

QUESTION: 1

First Stage Cyclone warning is issued

A.
48 hrs advance
B.
72 hrs advance
C.
36 hrs advance
D.
12 hrs advance

Solution:

The First Stage warning Pre Cyclone Watch, issued 72 hours in advance. It contains an early warning about the development of a cyclonic disturbance in the north Indian Ocean, its likely intensification into a tropical cyclone and the coastal belt likely to experience adverse weather.

QUESTION: 2

With increase in temperature, atmospheric pressure ___________.

A.
decreases
B.
increases
C.
remains constant
D.
can decrease or increase

Solution:

There exists a negative relation between pressure and temperature. When temperature increases pressure will fall and vice versa. That is why, pressure increases from equatorial region towards the polar region.

QUESTION: 3

Cyclone is followed by

A.
Darkness
B.
Brightness
C.
Flood
D.
Drought

Solution:

In coastal areas cyclone is followed by flood. The water bring about by the high velocity wind cause flood.

QUESTION: 4

Reduced air pressure cause

A.
Heavy rain
B.
Decreased wind speed
C.
Increased wind speed
D.
Bright sun light

Solution:

Reduced air pressure cause increased wind speed. The air surrounding the low pressure area moves toward the low pressure to cause increased wind speed.

QUESTION: 5

Warm air is ____________ than cold air.

A.
Neither lighter nor heavier
B.
Same
C.
Lighter
D.
Heavier

Solution:

Warm air is lighter than cold air. Lighter air moves upward to create low pressure area.

QUESTION: 6

Air expands on

A.
Cooling
B.
Freezing
C.
Condensing
D.
Heating

Solution:

Air expands on heating and condenses on cooling due to gaining kinetic energy.

QUESTION: 7

Rapid expansion of air due to lightening cause

A.
Flood
B.
Cyclone
C.
Thunder
D.
All of these

Solution:

Rapid expansion of air due to lightening cause thunder. Lightening occurs when two charged clouds come in contact of each other.

QUESTION: 8

Which of the following part of India is generally not affected by cyclone?

A.
Eastern costal region
B.
Southern region
C.
Eastern region
D.
Northern region

Solution:

QUESTION: 9

Wind air is generated due to

A.
Even heating of earth
B.
Cooling down of earth
C.
Uneven heating of earth
D.
Condensation of hot air

Solution:

Wind air is generated due to uneven heating of earth. More heated area develop low pressure and than other and air blows from high pressure to low pressure.

QUESTION: 10

High speed wind can be destructive due to

A.
Small amount of kinetic energy
B.
Large amount of potential energy
C.
Large amount of kinetic energy
D.
None of these

Solution:

High speed wind can be destructive due to large amount of kinetic energy associate with it to uproot trees and buildings.

QUESTION: 11

Sudden occurrence of light due to friction of clouds is called

A.
Storm
B.
Flood
C.
Cyclone
D.
Lightening

Solution:

Sudden occurrence of light due to friction of clouds is called lightening. It occurs due to interaction between two charged clouds.

QUESTION: 12

Wind speed results in storm, which can be

A.
Used to rotate wind mill
B.
Highly destructive
C.
Highly useful
D.
Used to produce electricity

Solution:

Wind speed results in storm which can be highly destructive. High speed wind can uproot the tree and destroy the buildings.

QUESTION: 13

During flood, contamination of water causes shortage of

A.
Shelter
B.
Food
C.
Bathing water
D.
Drinking water

Solution:

During flood, contamination of water causes shortage of drinking water as water bodies get contaminated with harmful substances.

QUESTION: 14

For escape of hot air room has

A.
Ventilators
B.
Windows
C.
High walls
D.
Doors

Solution:

Hot airs are lighter and move upwards, for escape of hot air from the room, ventilators are provided just beneath the roof in the walls.

QUESTION: 15

Building can be protected from lightening by using

A.
Lightening rod on the levels of building
B.
Lightening rod at the top of building
C.
Wooden logs at the top of building
D.
All of these

Solution:

Building can be protected from lightening by using lightening rod at the top of building to carry the charge of lightening to the ground.

QUESTION: 16

Violent storms accompanied by high wind speed is called

A.
Cloud burst
B.
Cyclone
C.
Storm
D.
Hurricane

Solution:

Violent storms accompanied by high wind speed is called cyclone. It brings heavy rain along with high velocity wind to cause destruction.

QUESTION: 17

The eye of storm is a

A.
Heavy rain area
B.
Calm area
C.
Highly active area
D.
High velocity storm area

Solution:

The eye of storm is a calm area around which wind blows very rapidly.

QUESTION: 18

Cold air is _______________ than warm air.

A.
Less moist
B.
Heavier
C.
Less denser
D.
Lighter

Solution:

Cold air is heavier than warm air and moves down ward. Hot air moves upward.

QUESTION: 19

Humidity in air is maximum in

A.
Monsoon
B.
Winter
C.
Summer
D.
Autumn

Solution:

Humidity in air is maximum in monsoon season, because lots of raining occurs during this period of time.

QUESTION: 20

Rows of trees grown along the coastal areas to reduce the impact of cyclones are known as

A.
Wind break
B.
Protection
C.
Shelter break
D.
Mangroves

Solution:

The rows of trees grown along the coastal areas to reduce the impact of cyclone are known as mangroves as it breaks the wind speed to reduce the pressure.