The Atmosphere

The atmospheric layer that reflects radio waves is
Options:
1. ionosphere
2. ozonosphere
3. thermosphere
4. mesosphere
Option: A
The gas which is responsible for the greenhouse effect is
Options:
1. oxygen
2. nitrogen
3. carbon dioxide
4. argon
Option: C
The early atmosphere of the earth had high temperature
Options:
1. due to the higher concentration of oxygen
2. due to the higher concentration of nitrogen
3. due to the higher concentration of carbon dioxide
4. none of the above
Option: C
Carbon dioxide is responsible for the greenhouse effect because
Options:
1. it is transparent to long wave radiation and opaque to short wave radiation
2. it is transparent to short wave radiation and opaque to long wave radiation
3. it reflects short wave radiation
4. it reflects long wave radiation
Option: B
Which of followings is/are the characteristics of water vapours is/are correct:
1. More than 90 per cent of the total atmospheric vapour is found up to the height of 5 km
2. The content of water vapour decreases with increasing altitude in the atmosphere
3. Water vapour is also considered as a primary greenhouse gas
4. it is responsible for different types of condensation and precipitation
Options:
1. 1 and 3 are correct.
2. only 1 is correct.
3. 1, 2 and 4 are correct.
4. all are correct.
Option: D
If there is condensation of all the atmospheric vapour at a time, there would result ____________ a layer of water around the earth.
Options:
1. one-inch thick
2. two-inch thick
3. three-inch thick
4. four-inch thick
Option: A
50 per cent of the atmosphere in terms of concentration of major gases, mass, pressure and weather phenomena lies below the altitude of
Options:
1. 5.6 kms
2. 3.5 kms
3. 90 kms
4. 29 kms
Option: A
On the basis of the characteristics of temperature and air pressure S. Petterson divided the atmosphere into
Options:
1. Five Vertical Zone
2. Three Vertical Zone
3. Four Vertical Zone
4. Six Vertical Zone
Option: A
On the basis of thermal consideration R.G. Barry and R.J. Chorley have identified relatively___________ warm layers.
Options:
1. Four
2. Three
3. Five
4. Two
Option: B
Who named the lowermost layer of the atmosphere as troposphere
Options:
1. Kennelly
2. Napier Shaw
3. Teisserence de Bort
4. V.Berkneise
Option: C
Troposphere is also known as
Options:
1. Convective layer
2. Turbulent zone
3. Both a and b
4. None of the above
Option: C
The lower troposphere, which ranges in height from 1 km to 3 km from the surface of the earth is called
Options:
1. Turbulent zone
2. Friction layer
3. Convective layer
4. None of the above
Option: B
The rate of decrease of temperature with increasing height in the atmosphere is known as
Options:
1. absolute lapse rate
2. relative lapse rate
3. specific lapse rate
4. normal lapse rate
Option: D
The term tropopause was first used by
Options:
1. V.Berkneise
2. Napier Shaw
3. Kennelly
4. Teisserence de Bort
Option: B
Which of following factors affect Normal lapse rate
1. decrease in density of atmospheric gases
2. air pressure
3. particulate matter
Options:
1. 1 and 3 are correct.
2. only 1 is correct.
3. 1, 2 and 3 are correct.
4. 2 and 3 are correct
Option: C
Which of followings characteristics of tropopause is/are correct:
1. it is zonal rather than linear in character.
2. it is a boundary zone consisting of a series of layers.
3. it has an average thickness of 1.5 km
4. the decrease of temperature stops at this point
Options:
1. 2 and 3 are correct
2. 3 and 4 are correct
3. 1, 2 and 3 are correct
4. all are correct
Option: D
Which of followings characteristics of tropopause is/are correct:
1. the turbulent mixing stops at tropopause
2. it represents the upper limit of concentration of most of atmospheric water vapour etc
3. There is a spatial and temporal variation in the height of tropopause
4. the decrease of temperature stops at this point
Options:
1. 2 and 3 are correct.
2. 3 and 4 are correct.
3. 1, 2 and 3 are correct.
4. all are correct.
Option: D
The word tropopause means
Options:
1. region of mixing
2. where the mixing stops
3. turbulent zone
4. both b and a
Option: B
The air pressure at tropopause over the equator is
Options:
1. 100 mb
2. 200 mb
3. 250 mb
4. 150 mb
Option: A
The air pressure at tropopause over the pole is
Options:
1. 100 mb
2. 200 mb
3. 250 mb
4. 150 mb
Option: C

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The Atmosphere

The atmospheric layer that reflects radio waves is

Options:

The gas which is responsible for the greenhouse effect is

Options:

The early atmosphere of the earth had high temperature

Options:

Carbon dioxide is responsible for the greenhouse effect because

Options:

Which of followings is/are the characteristics of water vapours is/are correct:

Options:

If there is condensation of all the atmospheric vapour at a time, there would result ____________ a layer of water around the earth.

Options:

50 per cent of the atmosphere in terms of concentration of major gases, mass, pressure and weather phenomena lies below the altitude of

Options:

On the basis of the characteristics of temperature and air pressure S. Petterson divided the atmosphere into

Options:

On the basis of thermal consideration R.G. Barry and R.J. Chorley have identified relatively___________ warm layers.

Options:

Who named the lowermost layer of the atmosphere as troposphere

Options:

Troposphere is also known as

Options:

The lower troposphere, which ranges in height from 1 km to 3 km from the surface of the earth is called

Options:

The rate of decrease of temperature with increasing height in the atmosphere is known as

Options:

The term tropopause was first used by

Options:

Which of following factors affect Normal lapse rate

Options:

Which of followings characteristics of tropopause is/are correct:

Options:

Which of followings characteristics of tropopause is/are correct:

Options:

The word tropopause means

Options:

The air pressure at tropopause over the equator is

Options:

The air pressure at tropopause over the pole is

Options: