Chapter-Atmospheric Circulation and Weather System

Important MCQ-Based Questions for class 11 Geography chapter-Atmospheric Circulation and Weather System

This page consists of Important MCQ questions from the chapter-Atmospheric Circulation and Weather System uploaded as per the CBSE syllabus and consists of a detailed explanation. Questions are prepared from the entire chapter-Atmospheric Circulation and Weather System to give you effective revision. 

Find below MCQ-Based Questions for class 11 Geography chapter-Atmospheric Circulation and Weather System

Important MCQ-based questions Geography class 11 chapter-Atmospheric Circulation and Weather System Set-A

Geography - MCQ on Atmospheric Circulation and Weather System

Class XI

Q.1.Atmospheric pressure can be defined as:

a) The weight of the air

b) The weight of the air contained in a unit area from the mean sea level

c) The weight of the atmospheric gases

d) None

Answer:

(b) The weight of the air contained in a unit area from the mean sea level

Q.2. Air pressure measured with the help of a:

a) Thermometer

b) Hygrometer

c) Barometer

d) Isobars

Answer:

(c) Barometer

Q.3.Isobars is the lines of:

a) Equal temperature

b) Equal pressure

c) Equal height

d) Equal rain fall

Answer:

(c) Equal height

Q .4.Which one of the following is not allow pressure belt:

a) Equatorial belt

b) Sub- Tropical belt

c) Sub –Polar belt

d) All the above

Answer:

(b) Sub- Tropical belt

Exp. Sub-Tropical high pressure belt is situated after the equator high pressure is found here because of the descend of air.

Q.5.Which one of the following forces affects on the direction of winds?

a) Pressure gradient force

b) Frictional force

c) Corriolis force

d) None

Answer:

(c) Corriolis force

Exp. This force deflects the wind to the right direction in the northern hemisphere and to the left in the southern hemisphere.

Q.6.Frictional Force affects:

a) Direction of the wind

b) Speed of the wind

c) Pressure of the wind

d) All the above

Answer:

(b) Speed of the wind

Q.7.A wind circulation around a low pressure centre is:

a) A cyclone

b) An anticyclone

c) Chinook

d) Trade winds

Answer:

(a) A cyclone

Q.8. El - Nino means:

a) A b wind

b) Warm waters off the coast of the Peru

c) Waters of the Pacific

d) None

Answer:

(b) Warm waters off the coast of the Peru

Exp. The El-Nino event is closely associated with the pressure changes in the central Pacific and Australia.

Q.9.Monsoons is:

a) Local winds

b) Seasonal winds

c) Planetary winds

d) Periodic winds

Answer:

(b) Seasonal winds

Exp. Monsoons are seasonal winds which originate in the China Sea and from here they move towards the south –East Asia.

Q.10.Which one of the following is not a local wind:

a) Loo

b) Chinook

c) Mistral

d) Hurricanes

Answer:

(d) Hurricanes

Exp. Hurricanes are the Tropical cyclones which originate over the oceans.

Q.11.A bundle of air with horizontally uniform characteristics of temperature, humidity, pressure, etc. is called:

a) A cyclone

b) An Air mass

c) An anticyclone

d) Monsoons

Answer:

(b) An air mass

Q.12.Fronts refers to;

a) The Boundary zone between two countries

b) The boundary zone between the two air masses

c) The boundary zone between two cyclones

d) All the above

Answer:

(b) The boundary zone between the two air masses

Q.13.If an air mass is fully pfted above the land surface it is called:

a) Warm front

b) Cold front

c) Occulded front

d) Anticyclones

Answer:

(c) Occulded front

Q.14.The cyclone develops in the mid and high latitude are:

a) Tropical cyclones

b) Extra tropical cyclone

c) Fronts

d) None

Answer:

(b) Extra tropical cyclone

Q.15.Which one of the following is not a characteristic of Extra tropical cyclone:

a) A clear frontal system

b) The occur over land and sea

c) They move from east to west

d) The velocity of wind is not very high

Answer:

(c) They move from east to west

Exp. They move west to east.

Q.16.A tropical cyclone is that which originate:

a) Over warm tropical oceans

b) Over warm tropical deserts

c) Over land and water

d) None

Answer:

(a) Over warm tropical oceans

Q.17.Which one of the following is not a tropical cyclone

a) Hurricane

b) Typhoons

c) Willy-Willies

d) Monsoon

Answer:

(d) Monsoon

Q.18. Willy - Willies wind is the name given to the tropical cyclones in which of the following countries:

a) USA

b) Australia

c) Japan

d) China

Answer:

(b) Australia

Q.19. If the surface air pressure is 1,000 mb The air pressure at 1 km above the surface will be:

a) 700 mb

b) 900 mb

c) 1,100 mb

d) 1,300 mb

Answer:

(b) 900 mb

Q.20. The Inter Tropical Convergence Zone normally occurs:

a) Near the equator

b) Near the Tropic of Cancer

c) Near the Tropic of Capricorn

d) Near the Arctic Circle

Answer:

(a) Near the equator

Q.21. The direction of wind around a low pressure in northern hemisphere is:

a) Clockwise

b) Anti – clock wise

c) Perpendicular to isobars

d) Parallel to isobars

Answer:

(b) Anti – clock wise

Q.22. Which one of the following is the source region for the formation of air masses?

a) The Equatorial forest

b) The Siberian Plain

c) The Himalayas

d) The Deccan Plateau

Answer:

(b) The Siberian Plain

Q.23. The velocity of wind is related to:

a) Revolution of the earth

b) Rotation of the earth

c) Temperature

d) Pressure gradient

Answer:

(d) Pressure gradient

Q.24. Hurricanes or typhoons (tropical cyclones) develop and mature:

a) Over land bodies only

b) In a belt 35°-65° N and S latitudes

c) Anywhere in the tropical zone

d) Over water bodies only

Answer:

(d) Over water bodies only

Q.25. The fog that commonly occurs along the sea – coasts is of the.... type.

a) Radiation

b) Advection

c) Frontal

d) Convection

Answer:

(b) Advection

Important MCQ-based questions Geography class 11 chapter-Atmospheric Circulation and Weather System Set-B

Q.1 The vertical pressure gradient force is much ----- than that of the horizontal pressure gradient.

a. lesser

b. larger

c. equal to

d. ber

Answer:

(b)

Explanation. It is generally balanced by a nearly equal but opposite gravitational force.

Q.2 Horizontal distribution of pressure is studied by drawing:

a. isotherms

b. isobars

c. isoheights

d. None of the above

Answer:

(b)

Explanation. Isobars are pnes connecting places having equal pressure.

Q.3 Subtropical highs are the areas between:

a. 40⁰ N and 40⁰ S

b. 50⁰ N and 50⁰ S

c. 45⁰ N and 45⁰ S

d. 30⁰ N and 30⁰ S

Answer:

(d)

Explanation. These are high pressure areas.