General Knowledge
Q. Under which article can a citizen approach the Supreme Court for the enforcement of Fundamental Rights? (2022)
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A.
Article 32
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B.
Article 226
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C.
Article 19
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D.
Article 21
Solution
A citizen can approach the Supreme Court under Article 32 for the enforcement of Fundamental Rights.
Correct Answer: A — Article 32
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Q. Under which Article of the Indian Constitution is the Right to Constitutional Remedies provided?
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A.
Article 21
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B.
Article 32
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C.
Article 19
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D.
Article 14
Solution
The Right to Constitutional Remedies is provided under Article 32, allowing individuals to approach the Supreme Court for enforcement of their rights.
Correct Answer: B — Article 32
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Q. What is the angular distance in degrees between two longitudes of 30°E and 90°E?
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A.
60°
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B.
90°
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C.
120°
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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 meridians that are 1 hour apart in time? (2021)
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A.
15 degrees
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B.
30 degrees
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C.
45 degrees
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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?
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A.
3.28 million
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B.
2.87 million
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C.
4.12 million
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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?
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A.
4000 km
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B.
24000 km
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C.
30000 km
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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 temperature at the Earth's inner core? (2023)
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A.
4000°C
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B.
5000°C
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C.
6000°C
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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 thickness of the Earth's crust? (2021)
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A.
5-10 km
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B.
30-50 km
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C.
70-100 km
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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 radius of 3 cm? (Use π ≈ 3.14)
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A.
28.26 cm²
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B.
9.42 cm²
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C.
18.84 cm²
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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)
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A.
154 cm²
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B.
44 cm²
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C.
77 cm²
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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 triangle with a base of 10 units and a height of 5 units?
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A.
25 square units
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B.
50 square units
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C.
15 square units
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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)
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A.
30 cm²
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B.
60 cm²
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C.
24 cm²
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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?
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A.
12 cm²
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B.
24 cm²
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C.
18 cm²
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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 millibars? (2021)
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A.
1013.25 mb
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B.
1000 mb
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C.
1020 mb
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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)
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A.
2.5 g/cm³
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B.
5.5 g/cm³
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C.
7.5 g/cm³
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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 the Earth in degrees Celsius?
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A.
15°C
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B.
20°C
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C.
25°C
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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)
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A.
C3H8 + 5O2 → 3CO2 + 4H2O
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B.
C3H8 + 4O2 → 3CO2 + 2H2O
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C.
C3H8 + 3O2 → 3CO + 4H2O
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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 capital of India?
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A.
Mumbai
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B.
New Delhi
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C.
Kolkata
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D.
Chennai
Solution
The capital of India is New Delhi.
Correct Answer: B — New Delhi
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Q. What is the change in internal energy of a system if 500 J of work is done on it and 200 J of heat is lost? (2023)
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A.
300 J
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B.
500 J
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C.
700 J
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D.
900 J
Solution
Change in internal energy (ΔU) = Q - W = -200 J - 500 J = -300 J.
Correct Answer: A — 300 J
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Q. What is the chemical formula for sulfuric acid? (2023)
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A.
H2SO4
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B.
H2SO3
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C.
H2S
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D.
SO2
Solution
The chemical formula for sulfuric acid is H2SO4, which consists of two hydrogen atoms, one sulfur atom, and four oxygen atoms.
Correct Answer: A — H2SO4
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Q. What is the circumradius of a triangle with sides 3 cm, 4 cm, and 5 cm? (2021)
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A.
2 cm
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B.
3 cm
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C.
4 cm
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D.
5 cm
Solution
For a right triangle, the circumradius R = hypotenuse/2 = 5/2 = 2.5 cm.
Correct Answer: D — 5 cm
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Q. What is the conjugate base of sulfuric acid (H2SO4)?
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A.
HSO4-
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B.
SO4^2-
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C.
H3O+
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D.
None of the above
Solution
The conjugate base of sulfuric acid (H2SO4) is HSO4-.
Correct Answer: B — SO4^2-
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Q. What is the critical angle for light traveling from glass (n = 1.5) to air (n = 1)? (2019)
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A.
30 degrees
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B.
41.8 degrees
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C.
48.6 degrees
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D.
60 degrees
Solution
Using the formula sin(c) = n2/n1, we find sin(c) = 1/1.5, thus c = sin^(-1)(2/3) ≈ 41.8 degrees.
Correct Answer: B — 41.8 degrees
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Q. What is the current account deficit of India as a percentage of GDP in 2023? (2023)
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A.
1.2%
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B.
2.5%
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C.
3.1%
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D.
4.0%
Solution
India's current account deficit is estimated to be around 2.5% of GDP in 2023.
Correct Answer: B — 2.5%
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Q. What is the current exchange rate of 1 USD to INR as of 2023? (2023)
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A.
72 INR
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B.
75 INR
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C.
78 INR
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D.
80 INR
Solution
As of 2023, the exchange rate is approximately 78 INR for 1 USD.
Correct Answer: C — 78 INR
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Q. What is the current inflation rate in India as of 2023? (2023)
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A.
3.5%
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B.
5.0%
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C.
6.5%
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D.
7.2%
Solution
As of 2023, the inflation rate in India is reported to be around 6.5%.
Correct Answer: C — 6.5%
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Q. What is the current literacy rate in India as of 2023? (2023)
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A.
74%
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B.
76%
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C.
78%
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D.
80%
Solution
The literacy rate in India is reported to be around 78% as of 2023.
Correct Answer: C — 78%
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Q. What is the current unemployment rate in India as of 2023? (2023)
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A.
4.5%
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B.
5.8%
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C.
6.5%
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D.
7.2%
Solution
The unemployment rate in India is reported to be around 5.8% as of 2023.
Correct Answer: B — 5.8%
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Q. What is the decibel level of a sound that is 10 times more intense than the reference level of 0 dB?
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A.
10 dB
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B.
20 dB
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C.
30 dB
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D.
40 dB
Solution
A sound that is 10 times more intense than the reference level is 10 dB.
Correct Answer: A — 10 dB
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Q. What is the effect of adding a base to a solution of hydrochloric acid?
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A.
Increase in pH
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B.
Decrease in pH
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C.
No effect
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D.
Formation of salt only
Solution
Adding a base to hydrochloric acid will neutralize it, resulting in an increase in pH.
Correct Answer: A — Increase in pH
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