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 area of a circle with a diameter of 10 units?
-
A.
25π square units
-
B.
50π square units
-
C.
100π square units
-
D.
75π square units
Solution
Area = π * (radius^2) = π * (5^2) = 25π square units.
Correct Answer:
A
— 25π square units
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Q. What is the area of a circle with a radius of 3 cm? (Use π ≈ 3.14)
-
A.
28.26 cm²
-
B.
9.42 cm²
-
C.
18.84 cm²
-
D.
12.56 cm²
Solution
Area = π * radius² = 3.14 * 3² = 3.14 * 9 = 28.26 cm².
Correct Answer:
A
— 28.26 cm²
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Q. What is the area of a circle with a radius of 7 cm? (Use π = 22/7) (2019)
-
A.
154 cm²
-
B.
44 cm²
-
C.
77 cm²
-
D.
88 cm²
Solution
Area = πr² = (22/7) × (7)² = (22/7) × 49 = 154 cm².
Correct Answer:
A
— 154 cm²
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Q. What is the area of a circle with a radius of 7 cm? (Use π ≈ 3.14)
-
A.
154 cm²
-
B.
100 cm²
-
C.
44 cm²
-
D.
78.5 cm²
Solution
Area = πr² = 3.14 × (7)² = 3.14 × 49 = 153.86 cm², approximately 154 cm².
Correct Answer:
A
— 154 cm²
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Q. What is the area of a rectangle with length 8 cm and width 3 cm? (2021)
-
A.
24 cm²
-
B.
30 cm²
-
C.
20 cm²
-
D.
18 cm²
Solution
Area = length × width = 8 cm × 3 cm = 24 cm².
Correct Answer:
A
— 24 cm²
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Q. What is the area of a triangle with a base of 10 units and a height of 5 units?
-
A.
25 square units
-
B.
50 square units
-
C.
15 square units
-
D.
30 square units
Solution
Area = 1/2 * base * height = 1/2 * 10 * 5 = 25 square units.
Correct Answer:
A
— 25 square units
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Q. What is the area of a triangle with a base of 12 cm and a height of 5 cm? (2022)
-
A.
30 cm²
-
B.
60 cm²
-
C.
24 cm²
-
D.
36 cm²
Solution
Area = 1/2 * base * height = 1/2 * 12 * 5 = 30 cm².
Correct Answer:
A
— 30 cm²
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Q. What is the area of a triangle with a base of 6 cm and a height of 4 cm?
-
A.
12 cm²
-
B.
24 cm²
-
C.
18 cm²
-
D.
30 cm²
Solution
Area = 1/2 × base × height = 1/2 × 6 cm × 4 cm = 12 cm².
Correct Answer:
A
— 12 cm²
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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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Q. What is the balanced equation for the combustion of propane (C3H8)? (2021)
-
A.
C3H8 + 5O2 → 3CO2 + 4H2O
-
B.
C3H8 + 4O2 → 3CO2 + 2H2O
-
C.
C3H8 + 3O2 → 3CO + 4H2O
-
D.
C3H8 + 2O2 → 3CO2 + 2H2O
Solution
The balanced equation for the combustion of propane is C3H8 + 5O2 → 3CO2 + 4H2O.
Correct Answer:
A
— C3H8 + 5O2 → 3CO2 + 4H2O
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Q. What is the caloric value of one gram of fat?
-
A.
4 calories
-
B.
7 calories
-
C.
9 calories
-
D.
12 calories
Solution
One gram of fat provides approximately 9 calories, making it the most energy-dense macronutrient.
Correct Answer:
C
— 9 calories
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Q. What is the capital city of Australia? (2021)
-
A.
Sydney
-
B.
Canberra
-
C.
Melbourne
-
D.
Brisbane
Solution
The capital city of Australia is Canberra.
Correct Answer:
B
— Canberra
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Q. What is the capital city of the Indian state of Maharashtra?
-
A.
Mumbai
-
B.
Pune
-
C.
Nagpur
-
D.
Nashik
Solution
Mumbai is the capital city of the Indian state of Maharashtra.
Correct Answer:
A
— Mumbai
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Q. What is the capital of India?
-
A.
Mumbai
-
B.
New Delhi
-
C.
Kolkata
-
D.
Chennai
Solution
The capital of India is New Delhi.
Correct Answer:
B
— New Delhi
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Q. What is the capital of the Indian state of Kerala?
-
A.
Kochi
-
B.
Thiruvananthapuram
-
C.
Kozhikode
-
D.
Kottayam
Solution
The capital of Kerala is Thiruvananthapuram.
Correct Answer:
B
— Thiruvananthapuram
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Q. What is the capital of the Indian state of Maharashtra?
-
A.
Mumbai
-
B.
Pune
-
C.
Nagpur
-
D.
Nashik
Solution
Mumbai is the capital of the Indian state of Maharashtra.
Correct Answer:
A
— Mumbai
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Q. What is the capital of the Indian state of Tamil Nadu?
-
A.
Chennai
-
B.
Coimbatore
-
C.
Madurai
-
D.
Tiruchirappalli
Solution
Chennai is the capital of the Indian state of Tamil Nadu.
Correct Answer:
A
— Chennai
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Q. What is the change in internal energy of a gas that absorbs 500 J of heat and does 200 J of work? (2022)
-
A.
300 J
-
B.
500 J
-
C.
700 J
-
D.
1000 J
Solution
Using the first law of thermodynamics: ΔU = Q - W = 500 J - 200 J = 300 J.
Correct Answer:
A
— 300 J
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