
Last Minute Revision of General Science for CAPF AC 2025 with complete Syllabus in brief
Here is Broad outline Syllabus of CAPF (Central Armed Police Forces) Assistant Commandant Exam, conducted by UPSC (03 August 2025)
CAPF (AC) – Paper I
General Ability and Intelligence
Time: 2 Hours
Max Marks: 250
Instructions:
- Questions are of Objective type (MCQ).
- Negative marking of 1/3rd for each wrong answer.
- Use of calculators is not permitted.
Section B: General Science for CAPF
Section C: Current Events
Section D: Indian Polity and Economy
Section E: History of India
Section F: Indian and World Geography
CAPF (AC) – Paper II
General Studies, Essay and Comprehension
Time: 3 Hours
Max Marks: 200
Instructions:
- Part A: Essay (80 Marks)
- Part B: Comprehension, précis writing, grammar (120 Marks)
- Answers must be written in the medium chosen by the candidate.
Part A – Essay (Write 2 essays, 40 marks each)
Write essays on any two of the following topics in about 800 words each:
Part B – Comprehension, Precis and Grammar
Comprehension Passage (25 Marks)
Read the passage carefully and answer the questions that follow.
Precis Writing (25 Marks)
Write a précis of the following passage in about one-third of its length.
Grammar and Vocabulary
- Fill in the blanks
- Synonyms / Antonyms
- Sentence correction
- Active / Passive Voice
- Direct / Indirect Speech
- One-word substitutions

Practice Set-1(General Science for CAPF)
Here is a broad outline of the likely pattern of questions asked in CAPF exams based on the Syllabus. These are just a suggested pattern with a series of practice questions section-wise. Today, there are 50 questions on General Science with answers to be provided in the next Practice set
General Science for CAPF– Model Questions (50 MCQs)
Physics (1–15)
- What is the unit of electric current?
A. Volt
B. Ampere
C. Ohm
D. Coulomb - Which of the following is not a vector quantity?
A. Force
B. Velocity
C. Work
D. Acceleration - Which law states that the current is directly proportional to the voltage?
A. Newton’s Law
B. Ohm’s Law
C. Ampere’s Law
D. Faraday’s Law - What is the speed of light in vacuum?
A. 3×1083 \times 10^8 m/s
B. 3×1063 \times 10^6 m/s
C. 1.5×1081.5 \times 10^8 m/s
D. 2×1082 \times 10^8 m/s - Which mirror is used in vehicles as rear-view mirror?
A. Concave
B. Convex
C. Plane
D. Cylindrical - Heat transfer by radiation does not require:
A. Solid
B. Liquid
C. Medium
D. Gas - Which color of light has the shortest wavelength?
A. Red
B. Green
C. Blue
D. Violet - The S.I. unit of power is:
A. Joule
B. Watt
C. Newton
D. Erg - Sound cannot travel through:
A. Solid
B. Water
C. Air
D. Vacuum - The resistance of a wire depends on:
A. Length
B. Area
C. Material
D. All of the above - Who discovered the law of gravitation?
A. Galileo
B. Newton
C. Einstein
D. Pascal - Which of the following is a non-renewable energy source?
A. Wind
B. Solar
C. Coal
D. Biomass - When light passes from air to water, it:
A. Speeds up
B. Slows down
C. Does not change speed
D. Is absorbed - Which instrument is used to measure atmospheric pressure?
A. Thermometer
B. Barometer
C. Hygrometer
D. Altimeter - Which physical quantity is measured in ‘hertz’?
A. Pressure
B. Frequency
C. Energy
D. Force
Chemistry (16–30)
- The atomic number of oxygen is:
A. 6
B. 7
C. 8
D. 9 - Which gas is used in fire extinguishers?
A. Oxygen
B. Carbon dioxide
C. Hydrogen
D. Methane - Common salt is:
A. Sodium sulfate
B. Sodium chloride
C. Potassium nitrate
D. Calcium carbonate - pH value less than 7 indicates:
A. Neutral
B. Basic
C. Acidic
D. Salty - Which acid is present in lemon?
A. Tartaric acid
B. Citric acid
C. Oxalic acid
D. Lactic acid - Which element is used in nuclear reactors as fuel?
A. Uranium
B. Hydrogen
C. Sodium
D. Helium - Rusting of iron is an example of:
A. Physical change
B. Endothermic reaction
C. Oxidation
D. Sublimation - Which of the following is an alloy?
A. Copper
B. Zinc
C. Steel
D. Silver - Bleaching powder is chemically known as:
A. Sodium hypochlorite
B. Calcium hypochlorite
C. Calcium oxychloride
D. Sodium chloride - Which of the following gases is the most abundant in Earth’s atmosphere?
A. Oxygen
B. Hydrogen
C. Carbon dioxide
D. Nitrogen - Water is a:
A. Element
B. Compound
C. Mixture
D. Solution - Which gas turns lime water milky?
A. O₂
B. CO₂
C. N₂
D. H₂ - Which non-metal is a good conductor of electricity?
A. Sulphur
B. Iodine
C. Carbon (Graphite)
D. Phosphorus - The chemical formula of baking soda is:
A. NaCl
B. NaHCO₃
C. CaCO₃
D. CH₃COOH - Which substance is used in pencils?
A. Charcoal
B. Graphite
C. Lead
D. Carbon black
Biology (31–45)
- The basic unit of life is:
A. Atom
B. Cell
C. Tissue
D. Organ - Blood is red due to:
A. Plasma
B. White blood cells
C. Hemoglobin
D. Platelets - Which organ purifies blood in the human body?
A. Lungs
B. Liver
C. Kidney
D. Heart - Photosynthesis requires:
A. Oxygen
B. Nitrogen
C. Carbon dioxide
D. Hydrogen - The disease ‘Malaria’ is transmitted by:
A. Housefly
B. Aedes mosquito
C. Anopheles mosquito
D. Culex mosquito - Which vitamin is essential for blood clotting?
A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin K - The human brain is part of which system?
A. Digestive
B. Circulatory
C. Nervous
D. Respiratory - Which gland is known as the “Master Gland”?
A. Thyroid
B. Pancreas
C. Pituitary
D. Adrenal - What is the largest organ in the human body?
A. Liver
B. Brain
C. Skin
D. Lung - Which part of the plant conducts photosynthesis?
A. Root
B. Stem
C. Leaf
D. Flower - Amoeba reproduces by:
A. Budding
B. Binary fission
C. Fragmentation
D. Spore formation - The normal human body temperature is:
A. 37°C
B. 98°C
C. 100°F
D. 20°C - Which of these is a hereditary disease?
A. Tuberculosis
B. Cancer
C. Hemophilia
D. Typhoid - What is the function of red blood cells?
A. Fight infections
B. Help in clotting
C. Transport oxygen
D. Digest food - DNA is located in which part of the cell?
A. Cytoplasm
B. Ribosome
C. Mitochondria
D. Nucleus
Environmental Science (46–50)
- Which layer of the atmosphere contains the ozone layer?
A. Troposphere
B. Mesosphere
C. Stratosphere
D. Thermosphere - Which gas is mainly responsible for the greenhouse effect?
A. O₂
B. CO₂
C. N₂
D. H₂ - Which day is celebrated as World Environment Day?
A. June 5
B. March 22
C. April 22
D. October 1 - Which of the following is a renewable resource?
A. Coal
B. Petroleum
C. Wind energy
D. Natural gas - Which of the following is a biodegradable substance?
A. Plastic
B. Glass
C. Vegetable peels
D. Aluminum foil
