Q. If the width of a river is 200 meters and the depth is 5 meters, what is the volume of water in one kilometer length of the river? (2021)
-
A.
100,000 m³
-
B.
1,000,000 m³
-
C.
500,000 m³
-
D.
200,000 m³
Solution
Volume = width × depth × length = 200 m × 5 m × 1000 m = 1,000,000 m³.
Correct Answer:
B
— 1,000,000 m³
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Q. If the wind is blowing from the north at 10 km/h, what is the wind direction?
-
A.
North
-
B.
South
-
C.
East
-
D.
West
Solution
The wind direction is named from where it originates, so it is blowing from the North.
Correct Answer:
A
— North
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Q. In meteorology, what does the term 'anemometer' refer to?
-
A.
A device to measure temperature
-
B.
A device to measure humidity
-
C.
A device to measure wind speed
-
D.
A device to measure atmospheric pressure
Solution
An anemometer is a device used to measure wind speed.
Correct Answer:
C
— A device to measure wind speed
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Q. In meteorology, what does the term 'isobar' refer to?
-
A.
Line of equal temperature
-
B.
Line of equal pressure
-
C.
Line of equal humidity
-
D.
Line of equal wind speed
Solution
An 'isobar' is a line on a weather map that connects points of equal atmospheric pressure.
Correct Answer:
B
— Line of equal pressure
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Q. In which type of river does the velocity of water increase as it flows downstream?
-
A.
Meandering river
-
B.
Straight river
-
C.
Braided river
-
D.
Alluvial river
Solution
In a meandering river, the velocity of water generally increases downstream due to the decrease in cross-sectional area and increase in gradient.
Correct Answer:
A
— Meandering river
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Q. The mantle of the Earth is mainly composed of which type of rock? (2019)
-
A.
Igneous
-
B.
Sedimentary
-
C.
Metamorphic
-
D.
Basaltic
Solution
The mantle is primarily composed of silicate minerals, which are classified as igneous rocks.
Correct Answer:
A
— Igneous
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Q. The Mohorovičić discontinuity separates which two layers of the Earth? (2023)
-
A.
Crust and Mantle
-
B.
Mantle and Outer Core
-
C.
Outer Core and Inner Core
-
D.
Crust and Outer Core
Solution
The Mohorovičić discontinuity, or Moho, separates the Earth's crust from the underlying mantle.
Correct Answer:
A
— Crust and Mantle
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Q. The soil of a riverbank is composed of 40% sand, 30% silt, and 30% clay. What is the percentage of silt in the soil? (2019)
-
A.
30%
-
B.
40%
-
C.
50%
-
D.
60%
Solution
The percentage of silt is given as 30%.
Correct Answer:
A
— 30%
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Q. The soil of a riverbank is composed of 60% sand, 30% silt, and 10% clay. What is the percentage of silt in the soil? (2019)
-
A.
30%
-
B.
40%
-
C.
50%
-
D.
60%
Solution
The percentage of silt in the soil is given as 30%.
Correct Answer:
A
— 30%
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Q. The Thar Desert is located in which Indian state? (2023)
-
A.
Rajasthan
-
B.
Gujarat
-
C.
Punjab
-
D.
Haryana
Solution
The Thar Desert is primarily located in Rajasthan.
Correct Answer:
A
— Rajasthan
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Q. What is the angular distance in degrees between two longitudes of 30°E and 90°E?
-
A.
60°
-
B.
90°
-
C.
120°
-
D.
150°
Solution
The angular distance is calculated as |90° - 30°| = 60°.
Correct Answer:
A
— 60°
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Q. What is the angular distance in degrees between two longitudes that are 1 hour apart in time? (2021)
-
A.
15 degrees
-
B.
30 degrees
-
C.
45 degrees
-
D.
60 degrees
Solution
The Earth rotates 360 degrees in 24 hours, so in 1 hour it rotates 360/24 = 15 degrees.
Correct Answer:
A
— 15 degrees
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Q. What is the angular distance in degrees between two longitudes that are 4 hours apart in time? (2021)
-
A.
60 degrees
-
B.
90 degrees
-
C.
120 degrees
-
D.
180 degrees
Solution
The Earth rotates 360 degrees in 24 hours, so in 1 hour it rotates 15 degrees. Therefore, in 4 hours, it rotates 4 * 15 = 60 degrees.
Correct Answer:
A
— 60 degrees
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Q. What is the angular distance in degrees between two meridians that are 1 hour apart in time? (2021)
-
A.
15 degrees
-
B.
30 degrees
-
C.
45 degrees
-
D.
60 degrees
Solution
The Earth rotates 360 degrees in 24 hours, so in 1 hour, it rotates 360/24 = 15 degrees.
Correct Answer:
A
— 15 degrees
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Q. What is the approximate area of India in square kilometers?
-
A.
3.28 million
-
B.
2.87 million
-
C.
4.12 million
-
D.
1.96 million
Solution
The approximate area of India is 3.28 million square kilometers.
Correct Answer:
A
— 3.28 million
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Q. What is the approximate circumference of the Earth at the equator?
-
A.
4000 km
-
B.
24000 km
-
C.
30000 km
-
D.
50000 km
Solution
The circumference of the Earth at the equator is approximately 24000 km.
Correct Answer:
B
— 24000 km
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Q. What is the approximate depth of the Earth's mantle?
-
A.
Up to 700 km
-
B.
Up to 2,900 km
-
C.
Up to 5,000 km
-
D.
Up to 6,371 km
Solution
The mantle extends from the base of the crust to about 2,900 km deep.
Correct Answer:
B
— Up to 2,900 km
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Q. What is the approximate depth of the Mohorovičić discontinuity (Moho)?
-
A.
5 km
-
B.
10 km
-
C.
30 km
-
D.
50 km
Solution
The Mohorovičić discontinuity (Moho) is located at an average depth of about 30 km beneath the Earth's surface.
Correct Answer:
C
— 30 km
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Q. What is the approximate distance in kilometers of one degree of longitude at the equator? (2019)
-
A.
60 km
-
B.
70 km
-
C.
111 km
-
D.
150 km
Solution
At the equator, one degree of longitude is approximately 111 kilometers.
Correct Answer:
C
— 111 km
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Q. What is the approximate distance in kilometers represented by 1 degree of latitude? (2021)
-
A.
111 km
-
B.
100 km
-
C.
90 km
-
D.
120 km
Solution
1 degree of latitude is approximately equal to 111 kilometers.
Correct Answer:
A
— 111 km
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Q. What is the approximate temperature at the boundary between the Earth's crust and mantle? (2020)
-
A.
200°C
-
B.
500°C
-
C.
1,000°C
-
D.
1,500°C
Solution
The temperature at the boundary between the Earth's crust and mantle is approximately 1,000°C.
Correct Answer:
C
— 1,000°C
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Q. What is the approximate temperature at the Earth's inner core? (2023)
-
A.
4000°C
-
B.
5000°C
-
C.
6000°C
-
D.
7000°C
Solution
The temperature at the Earth's inner core is estimated to be around 5000°C to 6000°C.
Correct Answer:
C
— 6000°C
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Q. What is the approximate temperature range of the Earth's mantle? (2020)
-
A.
200-400 °C
-
B.
500-900 °C
-
C.
1,000-3,000 °C
-
D.
3,000-5,000 °C
Solution
The temperature of the Earth's mantle ranges from about 1,000 °C to 3,000 °C as you go deeper.
Correct Answer:
C
— 1,000-3,000 °C
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Q. What is the approximate temperature range of the Earth's outer core? (2020)
-
A.
1,000 - 2,000 °C
-
B.
2,000 - 4,000 °C
-
C.
4,000 - 6,000 °C
-
D.
6,000 - 8,000 °C
Solution
The temperature of the Earth's outer core ranges from approximately 4,000 to 6,000 degrees Celsius.
Correct Answer:
C
— 4,000 - 6,000 °C
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Q. What is the approximate thickness of the Earth's crust? (2021)
-
A.
5-10 km
-
B.
30-50 km
-
C.
70-100 km
-
D.
100-150 km
Solution
The Earth's crust varies in thickness, averaging about 30-50 km under continents and about 5-10 km under oceans.
Correct Answer:
B
— 30-50 km
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Q. What is the average atmospheric pressure at sea level in hPa?
-
A.
1013.25 hPa
-
B.
1000 hPa
-
C.
1020 hPa
-
D.
980 hPa
Solution
The average atmospheric pressure at sea level is approximately 1013.25 hPa.
Correct Answer:
A
— 1013.25 hPa
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Q. What is the average atmospheric pressure at sea level in millibars? (2021)
-
A.
1013.25 mb
-
B.
1000 mb
-
C.
1020 mb
-
D.
980 mb
Solution
The average atmospheric pressure at sea level is defined as 1013.25 millibars.
Correct Answer:
A
— 1013.25 mb
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Q. What is the average density of the Earth? (2020)
-
A.
2.5 g/cm³
-
B.
5.5 g/cm³
-
C.
7.5 g/cm³
-
D.
9.5 g/cm³
Solution
The average density of the Earth is about 5.5 g/cm³, which is higher than the density of the crust.
Correct Answer:
B
— 5.5 g/cm³
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Q. What is the average temperature of a location if the maximum temperature recorded is 30°C and the minimum is 20°C? (2021)
-
A.
25°C
-
B.
20°C
-
C.
30°C
-
D.
15°C
Solution
Average temperature = (Maximum + Minimum) / 2 = (30 + 20) / 2 = 25°C.
Correct Answer:
A
— 25°C
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Q. What is the average temperature of the Earth in degrees Celsius?
-
A.
15°C
-
B.
20°C
-
C.
25°C
-
D.
30°C
Solution
The average temperature of the Earth is approximately 15°C.
Correct Answer:
A
— 15°C
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