NPSC Police Constable Exam study materials
NPSC Police Constable Exam study resources

NPSC Police Constable Exam key terms

NPSC Police Constable Exam · Get comfortable with the vocabulary.

Noun

A word that names a person, place, thing, or idea, such as 'constable', 'Kohima', or 'courage'. It can act as the subject or object of a sentence.

Related: Pronoun, Subject-verb agreement
Verb

A word that expresses an action or a state of being, such as 'run', 'arrest', or 'is'. Every complete sentence needs at least one finite verb.

Related: Tense, Subject-verb agreement
Adjective

A word that describes or limits a noun, such as 'brave' in 'a brave officer' or 'three' in 'three rounds'. It usually comes before the noun or after a linking verb.

Related: Adverb, Noun
Adverb

A word that modifies a verb, adjective, or another adverb, often telling how, when, or where. Examples include 'quickly', 'very', and 'yesterday'.

Related: Adjective, Preposition
Preposition

A short word placed before a noun or pronoun to show position, direction, or time, such as 'in', 'under', 'across', or 'during'. It begins a phrase.

Related: Adverb, Article
Article

The words 'a', 'an', and 'the' used before nouns. 'A' and 'an' are indefinite; 'the' is definite and points to a specific person or thing already known.

Related: Preposition, Noun
Tense

The form of a verb that shows when an action happens: past, present, or future. Each tense also has simple, continuous, perfect, and perfect continuous forms.

Related: Verb, Subject-verb agreement
Subject-verb agreement

The rule that a verb must match its subject in number and person. A singular subject takes a singular verb, and a plural subject takes a plural verb.

Related: Noun, Tense
Active and passive voice

Voice shows whether the subject performs or receives the action. In active voice the subject acts ('The police caught him'); in passive voice the object becomes the subject ('He was caught').

Related: Verb, Tense
Direct and indirect speech

Direct speech quotes a speaker's exact words inside quotation marks. Indirect speech reports the meaning without quotes, usually changing pronouns, tenses, and time words.

Related: Tense, Pronoun
Pronoun

A word used in place of a noun to avoid repetition, such as 'he', 'they', 'who', or 'myself'. The noun it replaces is called its antecedent.

Related: Noun, Direct and indirect speech
Synonym

A word with the same or nearly the same meaning as another word in the same context, such as 'brave' and 'courageous'. Questions often ask you to pick the closest match.

Related: Antonym, Idiom
Antonym

A word with the opposite meaning to another word, such as 'guilty' and 'innocent'. Antonym questions test whether you understand a word's exact sense.

Related: Synonym, Idiom
Idiom

A fixed group of words whose meaning cannot be worked out from the individual words, such as 'to turn a deaf ear' meaning to ignore. Idioms must be learnt as whole units.

Related: Phrasal verb, Synonym
Phrasal verb

A verb combined with a preposition or adverb that creates a new meaning, such as 'give up' or 'look into'. The particle cannot usually be separated from the verb's meaning.

Related: Idiom, Preposition
One-word substitution

A single word that replaces a whole phrase, such as 'philanthropist' for 'a person who helps others'. These questions test precise vocabulary rather than general meaning.

Related: Synonym, Idiom
Spelling and spotting errors

Questions that ask you to find a wrongly spelt word or an incorrect part of a sentence. Common traps include doubled consonants, silent letters, and confused pairs like 'principal' and 'principle'.

Related: Subject-verb agreement, Article
Constitution of India

The supreme law of India, adopted on 26 November 1949 and enforced on 26 January 1950. It sets out fundamental rights, duties, and the structure of government.

Related: Fundamental Rights, Directive Principles of State Policy
Fundamental Rights

Basic rights guaranteed to citizens in Part III of the Constitution, including equality, freedom of speech, and protection of life. They can be enforced in court through writs.

Related: Constitution of India, Directive Principles of State Policy
Directive Principles of State Policy

Guidelines in Part IV of the Constitution that direct governments to promote welfare, such as fair wages and public health. They are not enforceable in court but guide law-making.

Related: Fundamental Rights, Constitution of India
Panchayati Raj

The system of local self-government at village, block, and district levels, given constitutional status by the 73rd Amendment in 1992. It reserves seats for women and Scheduled Castes and Tribes.

Related: Constitution of India, Nagaland Statehood
Nagaland Statehood

Nagaland became the 16th state of India on 1 December 1963 under the State of Nagaland Act, 1962. Before that it was administered as part of Assam and later as a separate Union territory area.

Related: Article 371A, Naga Hills District
Article 371A

A special constitutional provision for Nagaland that protects Naga customary law, land, and resources. It bars Parliament from legislating on these matters without the state assembly's consent.

Related: Nagaland Statehood, Naga Customary Law
Naga Customary Law

The traditional unwritten rules of Naga villages and tribes governing land, marriage, inheritance, and social conduct. Courts recognise these customs, and Article 371A shields them from ordinary legislation.

Related: Article 371A, Village Council
Village Council

The traditional governing body of a Naga village, headed by a chairman or gaon bura, handling local disputes and community matters. It works alongside modern elected bodies in rural administration.

Related: Naga Customary Law, Panchayati Raj
Hornbill Festival

An annual cultural festival held in the first week of December at Kisama near Kohima. It showcases Naga music, dance, crafts, and food, and is named after the hornbill bird.

Related: Kisama, Nagaland Statehood
Kisama

A heritage village near Kohima that hosts the Hornbill Festival each December. It displays traditional Naga morungs (bachelor dormitories) and is a centre for tribal cultural display.

Related: Hornbill Festival, Kohima
Kohima

The capital city of Nagaland, situated in the southern part of the state. It was the site of a major 1944 battle in the Second World War and today holds the state government and high court.

Related: Kisama, Nagaland Statehood
Naga tribes

The indigenous communities of Nagaland, including the Angami, Ao, Konyak, Sema, Lotha, and others. Each tribe has its own language, dress, and customs, and over a dozen are officially recognised.

Related: Naga Customary Law, Hornbill Festival
Naga Hills District

A colonial-era administrative district covering the Naga-inhabited hills, later divided into several units. Its creation in the nineteenth century began the region's integration into British India.

Related: Nagaland Statehood, Article 371A
Percentage

A number expressed as a part of one hundred, written with the % sign. To find a percentage of a quantity, multiply the quantity by the percentage and divide by 100.

Related: Ratio and proportion, Average
Ratio and proportion

A ratio compares two quantities of the same kind, such as 3:5. A proportion states that two ratios are equal, allowing you to find an unknown value by cross-multiplication.

Related: Percentage, Average
Average

The sum of a set of values divided by the number of values. Also called the arithmetic mean, it is used to summarise data and to solve problems about totals and missing numbers.

Related: Percentage, Ratio and proportion
Simple and compound interest

Simple interest is calculated only on the original principal. Compound interest is calculated on the principal plus previously earned interest, so it grows faster over time.

Related: Percentage, Profit and loss
Profit and loss

Profit is the selling price minus the cost price; loss is the reverse. Both are usually expressed as a percentage of the cost price unless the question states otherwise.

Related: Percentage, Simple and compound interest
Time, speed, and distance

The relationship that distance equals speed multiplied by time. Problems often involve trains, boats, or two moving objects, and units must be converted consistently, such as km/h to m/s.

Related: Ratio and proportion, Average
Analogy

A reasoning question that asks you to find the same relationship between two pairs of items, such as 'doctor is to hospital as teacher is to school'. Identify the link first, then apply it.

Related: Odd one out, Series completion
Series completion

A question giving a sequence of numbers, letters, or figures with a pattern, asking for the next term. Check differences, multiples, squares, or alternating rules before answering.

Related: Analogy, Coding and decoding
Coding and decoding

A question where words or numbers are written in a secret pattern, and you must decode the rule to read or produce another word. Letter shifts and reverse alphabets are common tricks.

Related: Series completion, Odd one out
Odd one out

A question listing several items where all but one share a common property. You must identify the item that does not fit the shared category or pattern.

Related: Analogy, Coding and decoding
Direction and distance

A reasoning problem where a person moves in given directions and you must find the final position or distance. Drawing a rough diagram with north at the top prevents most errors.

Related: Analogy, Series completion
Blood relations

A reasoning question that describes family links in words and asks how two people are related. Sketching a family tree with clear symbols makes the relationship easier to trace.

Related: Analogy, Direction and distance
Physical Standard Test (PST)

A qualifying check of height, chest, and weight before the physical efficiency test. Candidates must meet the minimum measurements set for their category, and shortfall usually means disqualification.

Related: Physical Efficiency Test (PET), Chest measurement
Physical Efficiency Test (PET)

A set of timed physical events such as running, long jump, and shot put that candidates must pass. It tests endurance, speed, and strength, and is usually held after the written exam.

Related: Physical Standard Test (PST), Long jump
Chest measurement

A PST measurement taken around the chest, recorded both at rest and after full expansion. The difference between the two readings, called expansion, must meet the minimum required.

Related: Physical Standard Test (PST), Height and weight standards
Height and weight standards

The minimum height and corresponding weight fixed for each category of candidate in the PST. Relaxations are often allowed for hill-area and tribal candidates, so check the current notification.

Related: Chest measurement, Physical Standard Test (PST)
Long jump

A PET event where the candidate runs up and jumps from a take-off board into a sand pit. Distance is measured from the board to the nearest landing mark, and fouls are not counted.

Related: Shot put, Physical Efficiency Test (PET)
Shot put

A PET event where the candidate pushes a heavy metal ball from the shoulder as far as possible. The throw must stay within the sector, and stepping out of the circle is a foul.

Related: Long jump, Physical Efficiency Test (PET)