Agronomy and Climate Part 1
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Question No. 1
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What percentage of the total mass of the atmosphere is within 40 km from the Earth?
A.
85%
B.
50%
C.
99%
D.
75%
Question No. 2
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Which layer of the atmosphere is the warmest and has a uniform temperature?
A.
Troposphere
B.
Mesosphere
C.
Thermosphere
D.
Stratosphere
Question No. 3
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What is the correct order of atmospheric layers from lowest to highest?
A.
Mesosphere → Troposphere → Stratosphere → Thermosphere
B.
Stratosphere → Troposphere → Mesosphere → Thermosphere
C.
Troposphere → Stratosphere → Mesosphere → Thermosphere
D.
Troposphere → Mesosphere → Stratosphere → Thermosphere
Question No. 4
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What is the approximate percentage of nitrogen in the atmosphere?
A.
20.95%
B.
0.93%
C.
78.08%
D.
0.03%
Question No. 5
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In which layer of the atmosphere does temperature decrease with altitude at a rate of approximately 6.5°C/km?
A.
Stratosphere
B.
Troposphere
C.
Mesosphere
D.
Thermosphere
Question No. 6
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Which atmospheric layer contains the ozone layer?
A.
Troposphere
B.
Stratosphere
C.
Mesosphere
D.
Thermosphere
Question No. 7
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What is the approximate percentage of oxygen in the atmosphere?
A.
0.03%
B.
78.08%
C.
20.95%
D.
0.93%
Question No. 8
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What is the function of the ionosphere in the thermosphere?
A.
Absorbs ultraviolet radiation
B.
Creates the greenhouse effect
C.
Reduces atmospheric pressure
D.
Facilitates long-distance radio communication
Question No. 9
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What is the unit used to measure Photosynthetically Active Radiation (PAR)?
A.
Joule
B.
Newton
C.
Einstein or Watt/m²
D.
Kelvin
Question No. 10
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What is the approximate value of the solar constant in SI units?
A.
10°C/km
B.
1353 W/m²
C.
400-700 nm
D.
0.4
Question No. 11
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Which of the following statements about the Troposphere is false?
A.
It contains 85% of the atmosphere’s mass
B.
All weather phenomena occur in it
C.
Temperature increases with altitude
D.
It extends up to 8-18 km
Question No. 12
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Which of the following statements about the Stratosphere is true?
A.
It contains the ozone layer
B.
It has the highest atmospheric pressure
C.
It is the coldest layer
D.
It supports cloud formation
Question No. 13
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What is the dry adiabatic lapse rate in the atmosphere?
A.
6.5°C/km
B.
2°C/km
C.
15°C/km
D.
10°C/km
Question No. 14
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What is the ratio between incoming and outgoing solar radiation called?
A.
Solar constant
B.
Lapse rate
C.
Albedo
D.
PAR
Question No. 15
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Which of the following best defines a cyclone?
A.
A phenomenon causing cold waves
B.
A layer in the thermosphere responsible for radio communication
C.
A circular low-pressure area with rapidly increasing pressure outward
D.
A high-pressure zone causing heavy rainfall
Question No. 16
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What is the phenomenon called when temperature increases with altitude instead of decreasing?
A.
Temperature inversion
B.
Albedo
C.
Photosynthesis
D.
Adiabatic lapse rate
Question No. 17
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In which range of wavelengths is Photosynthetically Active Radiation (PAR) found?
A.
400-700 nm
B.
700-1200 nm
C.
300-500 nm
D.
100-300 nm
Question No. 18
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What instrument measures the intensity of solar radiation in narrow wave bands?
A.
Quantum sensor
B.
Spectrometer
C.
Lux meter
D.
Thermometer
Question No. 19
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Which of the following statements about the Mesosphere is false?
A.
It extends up to 80 km
B.
It contains the ozone layer
C.
It burns up meteors
D.
It is colder than the Stratosphere
Question No. 20
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Which of the following statements about lapse rate is false?
A.
Normal lapse rate is 6.5°C/km
B.
Dry adiabatic lapse rate is 10°C/km
C.
It describes temperature change with altitude
D.
Temperature inversion causes rapid cooling
Question No. 21
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Which of the following statements about cyclones is true?
A.
They are high-pressure systems
B.
They always rotate counterclockwise
C.
They have the lowest pressure at the center
D.
They only occur over oceans
Question No. 22
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Which layer of the atmosphere is the coldest?
A.
Troposphere
B.
Stratosphere
C.
Thermosphere
D.
Mesosphere
Question No. 23
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What is the percentage of carbon dioxide in atmospheric air?
A.
20.95%
B.
78.08%
C.
0.93%
D.
0.03%
Question No. 24
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Which gas is most abundant in the Earth's atmosphere?
A.
Oxygen
B.
Nitrogen
C.
Carbon dioxide
D.
Argon
Question No. 25
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Which layer of the atmosphere is responsible for weather phenomena like rain, clouds, and fog?
A.
Thermosphere
B.
Stratosphere
C.
Troposphere
D.
Mesosphere
Question No. 26
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Which unit is used to measure solar radiation intensity?
A.
Kelvin
B.
Newton
C.
Lux
D.
Hertz
Question No. 27
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What is the function of ozone in the Stratosphere?
A.
Maintains constant temperature
B.
Absorbs ultraviolet radiation
C.
Absorbs carbon dioxide
D.
Enhances greenhouse gases
Question No. 28
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Which atmospheric layer extends from approximately 8 km to 50 km?
A.
Troposphere
B.
Stratosphere
C.
Mesosphere
D.
Thermosphere
Question No. 29
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In which layer of the atmosphere does temperature start increasing with altitude?
A.
Troposphere
B.
Mesosphere
C.
Stratosphere
D.
Exosphere
Question No. 30
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What is the normal lapse rate in the Troposphere?
A.
10°C/km
B.
3°C/km
C.
15°C/km
D.
6.5°C/km
Question No. 31
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How is the Stratosphere different from the Troposphere in terms of temperature variation?
A.
Temperature decreases in both
B.
Temperature increases in Stratosphere, decreases in Troposphere
C.
Temperature increases in both
D.
Temperature remains constant in both
Question No. 32
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What makes the Thermosphere different from the Mesosphere?
A.
It has higher pressure
B.
It has the coldest temperatures
C.
It absorbs UV radiation and has high temperatures
D.
It contains most of Earth's oxygen
Question No. 33
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Why does the Troposphere contain the most atmospheric mass compared to the Stratosphere?
A.
Higher temperature in the Troposphere
B.
Gravity pulls most gases downward
C.
More solar radiation reaches it
D.
More water vapor exists in the Troposphere
Question No. 34
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Which of the following statements about the Thermosphere is true?
A.
It contains the ionosphere
B.
It is the coldest atmospheric layer
C.
It has uniform temperature
D.
It extends only up to 50 km
Question No. 35
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Which of the following statements about atmospheric gases is false?
A.
Nitrogen is the most abundant gas
B.
Oxygen is the second most abundant gas
C.
Carbon dioxide is the most abundant gas
D.
Argon is present in small amounts
Question No. 36
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Which of the following statements about Albedo is true?
A.
It measures solar radiation absorbed by a surface
B.
It is the percentage of solar radiation reflected by a surface
C.
It is highest in dark-colored surfaces
D.
It has no impact on Earth's temperature
Question No. 37
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Which atmospheric layer is most similar in function to a greenhouse?
A.
Troposphere
B.
Stratosphere
C.
Mesosphere
D.
Thermosphere
Question No. 38
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How is Photosynthetically Active Radiation (PAR) different from the Solar Constant?
A.
PAR includes all wavelengths of sunlight
B.
Solar Constant measures only reflected sunlight
C.
PAR consists of specific wavelengths used in photosynthesis
D.
Both are identical
Question No. 39
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Which of the following statements about the Solar Constant is false?
A.
It is the total solar energy received per unit area
B.
It is measured as 1353 W/m²
C.
It represents the total energy emitted by the Sun
D.
It is measured outside Earth’s atmosphere
Question No. 40
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Which of the following statements about Photosynthetically Active Radiation (PAR) is true?
A.
It includes all wavelengths of solar radiation
B.
It refers to radiation used in photosynthesis
C.
It is measured in Lux
D.
It excludes visible light
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