Please refer to Chapter 8 Composition and Structure of Atmosphere MCQs Class 11 Geography with answers below. These multiple-choice questions have been prepared based on the latest NCERT book for Class 11 Geography. Students should refer to MCQ Questions for Class 11 Geography with Answers to score more marks in Grade 12 Geography exams. Students should read the chapter Composition and Structure of Atmosphere and then attempt the following objective questions.

MCQ Questions Class 11 Geography Chapter 8 Composition and Structure of Atmosphere

Composition and Structure of Atmosphere MCQ Class 11 Geography provided below covers all important topics given in this chapter. These MCQs will help you to properly prepare for exams.

Question. Which gas is found as a trace in the atmosphere?
a. oxygen
b. nitrogen
c. carbon dioxide
d. xenon

Question. Ionosphere is located between
a. 80 and 400 km.
b. 80 and 500 km.
c. 40 and 400 km.
d. 40 and 200 km.

Question. What is the % of nitrogen in the atmosphere?
a. 20.95%
b. 78.08%
c. 20%
d. 80%

Question. Name the gas which is useful for plants
a. oxygen
b. carbon dioxide
c. argon
d. hydrogen

Question. Which layer of atmosphere has electronically charged particles?
a. Mesosphere
b. Ionosphere
c. Troposphere
d. Stratosphere

Question. Agents of fog formation do not include
a. High relative humidity
b. Diurnal temperatures of short ranges
c. Winter season
d. Rapid radiation

Question. Why the Earth is having its own atmosphere?
a. Winds
b. Clouds
c. Gravity
d. Rotation of the Earth

Question. The equipment to measure atmospheric humidity is
a. Anemometer
b. Psychrometer
c. Hydrometer
d. Lysimeter

Question. Excess carbon dioxide in the atmosphere due to pollution will cause
a. Earth’s temperature to rise
b. Earth’s temperature to fall
c. Decrease in weather phenomenon
d. Ozone layer to become thicker

Question. Chief elements of the atmosphere are
a. wind
b. temperature
c. pressure
d. all of them

Question. Which gas is present in large amount in the atmosphere?
a. oxygen
b. hydrogen
c. nitrogen
d. carbon dioxide

Question. Atmospheric elements are controlled by
a. latitude
b. altitude
c. land
d. all of them

Question. The zone separating troposphere from stratosphere is known as
a. tropopause
b. stratopause
c. mesopause
d. none of these

Question. Oxygen gas is in negligible quantity at the height of atmosphere:
a. 90 km
b. 120 km
c. 100 km
d. 150 km

Question. Which gas acts as a filter and protects us from the ultra violet rays?
a. oxygen
b. nitrogen
c. ozone
d. carbon dioxide

Question. Which one is the variable gas in the atmosphere?
a. carbon dioxide
b. water vapour
c. dust particles
d. smoke

Question. The increase in the volume of carbon dioxide for the past few decades is mainly due to
a. deforestation
b. climate change
c. atmospheric composition
d. burning of fossil fuels

Question. The mesosphere lies above the
a. troposphere
b. stratosphere
c. ionosphere
d. exosphere

Question. It is an element of atmosphere
a. Tides
b. Pressure
c. Water currents
d. Waves

Question. The equipment to measure atmospheric humidity is
a. Anemometer
b. Psychrometer
c. Hydrometer
d. Lysimeter

Question. The upper limit of mesosphere is known as
a. tropopause
b. mesopause
c. stratopause
d. exopause

Question. Atmospheric elements are controlled by
a. latitude
b. altitude
c. land
d. all of them

Question. Which gas is essential for breathing?
a. nitrogen
b. oxygen
c. carbon dioxide
d. none of these

Question. Atmospheric elements are controlled by
a. latitude
b. altitude
c. land
d. all of them