MCQs for Geography Class 11 with Answers Chapter 8 Composition and Structure of Atmosphere
Students of class 11 Geography should refer to MCQ Questions Class 11 Geography Composition and Structure of Atmosphere with answers provided here which is an important chapter in Class 11 Geography NCERT textbook. These MCQ for Class 11Geography with Answers have been prepared based on the latest CBSE and NCERT syllabus and examination guidelines for Class 11 Geography. The following MCQs can help you to practice and get better marks in the upcoming class 11 Geography examination
Chapter 8 Composition and Structure of Atmosphere MCQ with Answers Class 11 Geography
MCQ Questions Class 11 Geography Composition and Structure of Atmosphere provided below have been prepared by expert teachers of grade 11. These objective questions with solutions are expected to come in the upcoming Standard 11 examinations. Learn the below provided MCQ questions to get better marks in examinations.
Question. What percentage of oxygen is found in the air?
a. 20.95
b. 21.95
c. 78.08
d. 80.08
Answer
A
Question. The uppermost layer of the atmosphere is
a. Mesosphere
b. Exosphere
c. Ionosphere
d. Stratosphere
Answer
B
Question. Sea salt, pollen, ash, smoke soot, fine soil hese are associated with:
a. Gases
b. Dust particles
c. Water vapour
d. Meteors
Answer
B
Question. Which of the following gases absorbs ultraviolet rays?
a. Carbon Dioxide
b. Neon
c. Ozone
d. Nitrogen
Answer
C
Question. Name the gas which is useful for plants
a. oxygen
b. carbon dioxide
c. argon
d. hydrogen
Answer
B
Question. Why the Earth is having its own atmosphere?
a. Winds
b. Clouds
c. Gravity
d. Rotation of the Earth
Answer
C
Question. The mesosphere lies above the
a. troposphere
b. stratosphere
c. ionosphere
d. exosphere
Answer
B
Question. What envelopes the earth all round?
a. Hydrosphere
b. Lithosphere
c. Atmosphere
d. Biosphere
Answer
C
Question. Name the gas which is useful for plants
a. oxygen
b. carbon dioxide
c. argon
d. hydrogen
Answer
B
Question. What percentage of carbon dioxide is found in air?
a. 0.036%
b. 0.93%
c. 0.002%
d. 0.3%
Answer
A
Question. Radio waves are transmitted from which layer?
a. mesosphere
b. exosphere
c. ionosphere
d. none of These
Answer
C
Question. Atmospheric layer important for human beings is:
a. Stratosphere
b. Mesosphere
c. Troposphere
d. Ionosphere
Answer
C
Question. 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.
Answer
D
Question. Which gas is opaque to the outgoing terrestrial radiation?
a. Dust Particles
b. Ozone
c. Carbon dioxide
d. Water Vapour
Answer
C
Question. Upto what height does the stratosphere extend?
a. 60 km.
b. 80 km.
c. 50 km.
d. 120 km.
Answer
C
Question. Which zone separate the tropsophere from stratosphere?
a. Mesospause.
b. Tropopause
c. Ionospause.
d. Stratopause.
Answer
B
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.
Answer
A
Question. It is an element of atmosphere
a. Tides.
b. Pressure.
c. Water currents.
d. Waves.
Answer
B
Question. The radiations that heat earth’s atmosphere, comes from the
a. Sun
b. Earth
c. Ionosphere
d. Sun and Earth
Answer
B
Question. What is the percentage of air in the atmosphere?
a. 32
b. 99
c. 0.1
d. 21
Answer
B
Question. Agents of fog formation do not include
a. High relative humidity
b. Diurnal temperatures of short ranges
c. Winter season
d. Rapid radiation
Answer
C
Question. Which sphere lies above the stratosphere?
a. Mesosphere.
b. Exosphere.
c. Ionosphere.
d. None of the abov.
Answer
A
Question. Agents of fog formation do not include
a. High relative humidity
b. Diurnal temperatures of short ranges
c. Winter season
d. Rapid radiation
Answer
C
Question. Atmosphere contains
a. oxygen
b. nitrogen
c. dust particles
d. all of them
Answer
D