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UPSC CAPF GK Questions 2026

Static general knowledge fills most of Paper-I in UPSC CAPF. Of the six areas the CAPF (ACs) 2026 notice lists for General Ability and Intelligence, four are static: General Science; Indian Polity and Economy; History of India; and Indian and World Geography. The notice's wording shows the depth expected. Polity covers the political system and the Constitution of India, social systems, public administration, security issues and human rights with their indicators. Economy covers economic development in India. History covers social, economic and political aspects, including the growth of nationalism and the freedom movement. Geography covers physical, social and economic aspects of India and the world. General Science asks about everyday scientific phenomena and new areas such as Information Technology, Biotechnology and Environmental Science. This page holds GK24's topic-wise GK notes for UPSC CAPF, in English and Hindi, written as short facts and tables so that a topic can be revised in one sitting: Indian Polity, Indian History, Geography, Indian Economy, General Science, Environment and Ecology, Computer, and Art and Culture. The same notes serve Paper-II, whose essay part suggests modern Indian history, the freedom struggle, geography, polity and economy as topics. Read one topic at a time, then solve its quiz and the CAPF previous-year questions on this site to check what you have retained. General Mental Ability, the sixth area, is reasoning and arithmetic, and needs separate practice.

UPSC CAPF GK Questions with Answers

Q2583.General ScienceAsked in: NDA · NDA-II 2025, GATMedium

Which one of the following statements for second law of motion is NOT correct?

  1. A.The net force on a body is proportional to that body's acceleration
  2. B.The net force on a body is in the same direction as the acceleration
  3. C.The time rate of change of momentum is equal to force
  4. D.The net force on a body is proportional to that body's momentum
Show answer
Correct answer: D. The net force on a body is proportional to that body's momentum

Force depends on how fast momentum changes, not on the momentum itself. Newton's second law states that the rate of change of momentum of a body is proportional to the net force on it and takes place in the direction of the force.

Q2584.General ScienceAsked in: NDA · NDA-I 2026, GATHard

For an ideal gas, a process is described by P = kT, where k is a constant. If the molar heat capacity for this process is C, then which one of the following is correct (where the symbols have their usual meanings)?

  1. A.C = Cp
  2. B.C = Cv
  3. C.C = (Cp + Cv)/2
  4. D.C is never constant
Show answer
Correct answer: B. C = Cv

If pressure is proportional to temperature for a fixed amount of ideal gas, the volume must stay constant, so the process is isochoric.

Q2585.General ScienceAsked in: NDA · NDA-II 2026, GATHard

Consider the following statements:

I. The weight of an object is the same everywhere on the surface of the Earth, but its inertial mass could be different.

II. The inertial mass and gravitational mass of an object are proportional and the proportionality constant is the same everywhere.

III. The inertial mass and weight of an object are the same at different places on Earth.

Which of the statements given above is/are correct?

  1. A.I only
  2. B.II only
  3. C.I and II
  4. D.II and III
Show answer
Correct answer: B. II only

Mass is the same everywhere, but weight changes with g, so only statement II holds. Inertial mass measures how much a body resists a change in motion (F = ma); gravitational mass measures how strongly gravity pulls it.

Q2588.General ScienceAsked in: NDA · NDA-I 2018, GATEasy

If an object moves with constant velocity then which one of the following statements is NOT correct?

  1. A.Its motion is along a straight line
  2. B.Its speed changes with time.
  3. C.Its acceleration is zero
  4. D.Its displacement increases linearly with time
Show answer
Correct answer: B. Its speed changes with time.

Constant velocity means both the speed and the direction stay the same, so the speed cannot change. Velocity is a vector: it has a magnitude, the speed, and a direction.

Q2591.Indian PolityAsked in: NDA · NDA-I 2020, GATEasy

According to Article 79 of the Constitution of India, which of the following is/are described as a part of Parliament of India?

1. The House of the People

2. The Council of States

3. The President of India

Select the correct answer using the code given below:

  1. A.1 only
  2. B.1 and 2 only
  3. C.2 and 3 only
  4. D.1, 2 and 3
Show answer
Correct answer: D. 1, 2 and 3

Article 79 says that there shall be a Parliament for the Union which shall consist of the President and two Houses.

Q2592.General ScienceAsked in: NDA · NDA-I 2021, GATEasy

Which of the following pairs of physical phenomenon and the discoverer is/are correctly matched?

1. James Chadwick : Photoelectric effect

2. Albert Einstein : Neutron

3. Marie Curie : Radium

Select the correct answer using the code given below:

  1. A.1, 2 and 3
  2. B.1 and 2 only
  3. C.2 and 3 only
  4. D.3 only
Show answer
Correct answer: D. 3 only

Marie Curie discovered radium; the first two pairs have their discoveries swapped. Marie Curie and Pierre Curie discovered the radioactive elements polonium and radium in 1898, and Marie Curie went on to win Nobel Prizes in both physics (1903) and chemistry (1911).

Q2594.General ScienceAsked in: NDA · NDA-I 2022, GATEasy

Evaporation from the surface of a given liquid takes place more rapidly when

  1. A.the temperature is high and the surface area of the liquid is large
  2. B.the temperature is low and the surface area of the liquid is large
  3. C.the temperature is low and the surface area of the liquid is small
  4. D.the temperature is high and the surface area of the liquid is small
Show answer
Correct answer: A. the temperature is high and the surface area of the liquid is large

Both changes let more molecules escape from the surface each second. Evaporation is a surface process: only molecules at the surface with enough energy break away into the air.

Q2597.General ScienceAsked in: NDA · NDA-I 2024, GATEasy

If the current through an electrical machine running on direct current is 15 A and the machine runs for 10 minutes, the charge that passes through the machine during this time is:

  1. A.1·50 C
  2. B.150 C
  3. C.900 C
  4. D.9000 C
Show answer
Correct answer: D. 9000 C

Charge equals current multiplied by time, and here that is 15 A × 600 s = 9000 C. Electric current is the rate of flow of charge, I = Q/t, so Q = I × t. The SI unit of charge, the coulomb, is the charge carried by one ampere…