BSSC Field Assistant key terms
BSSC Field Assistant · Get comfortable with the vocabulary.
- Mouza
- Related: Khasra, Khatiyan, Amin
A revenue village recorded as a distinct unit in Bihar's land records. One mouza may contain several hamlets, and its boundaries are mapped during field survey work for land settlement.
- Khasra
- Related: Mouza, Khatiyan, Jamabandi
The plot-level record showing survey number, area, and land type of an individual parcel. Field assistants use khasra numbers to locate and verify plots on the ground.
- Khatiyan
- Related: Khasra, Jamabandi, Dakhil Kharij
The record of rights listing landowners, the plots they hold, and the nature of their interest in each plot. It is cross-checked against khasra entries during verification.
- Jamabandi
- Related: Khatiyan, Khasra, Lagan
The register of land holdings maintained at the circle or block level, showing cultivators, plot details, and rent or revenue assessed. It is a primary reference during field verification.
- Amin
- Related: Mouza, Chain Survey, Prism Compass
A revenue official trained in measuring land and preparing survey maps and field sketches. An amin's measurements form the technical basis of settlement records.
- Dakhil Kharij
- Related: Khatiyan, Jamabandi, Mouza
The process of recording the transfer of a land parcel from one owner to another in government registers. Field assistants may verify possession after such mutation is ordered.
- Chain Survey
- Related: Prism Compass, Offset, Amin
A method of measuring land by laying out a baseline and offset lines with a chain or tape. It is used for small areas and for checking plot boundaries in the field.
- Prism Compass
- Related: Chain Survey, Offset, Amin
A compact surveying instrument with a prism that lets a field worker sight an object and read its bearing simultaneously. It is used to set out right angles and measure traverse angles.
- Offset
- Related: Chain Survey, Prism Compass, Cadastral Map
The short perpendicular or oblique distance measured from a survey line to a boundary or feature. Recording offsets accurately is essential for drawing a correct field sketch.
- Cadastral Map
- Related: Khasra, Mouza, Offset
A large-scale map showing plot boundaries, survey numbers, and ownership parcels rather than natural features. It is the standard output of a land settlement survey.
- Contour Line
- Related: Cadastral Map, Bench Mark
A line on a map joining points of equal elevation above a reference level. Its spacing shows slope steepness, which matters in hilly terrain survey work.
- Bench Mark
- Related: Contour Line, Chain Survey
A fixed point of known elevation, often marked on a permanent structure, from which other levels are measured. Survey teams reference it before taking any level readings.
- Panchayat Samiti
- Related: Gram Panchayat, Zila Parishad, Mukhiya
The intermediate tier of rural local government in Bihar, operating at the block level between the gram panchayat and the zila parishad. It coordinates development schemes across its panchayats.
- Gram Panchayat
- Related: Panchayat Samiti, Mukhiya, Zila Parishad
The lowest elected tier of rural self-government, covering one or more villages. Its records and meetings are often the first point of contact for field-level verification work.
- Mukhiya
- Related: Gram Panchayat, Panchayat Samiti
The elected head of a gram panchayat in Bihar, responsible for convening meetings and overseeing local works. Field staff often coordinate with the mukhiya during village-level surveys.
- Zila Parishad
- Related: Panchayat Samiti, Gram Panchayat
The district-level tier of rural local government in Bihar, above the panchayat samiti. It plans and funds works that span multiple blocks within the district.
- Kosi River
- Related: Bagmati River, Gandak River, Flood Plain
A major river of north Bihar known for shifting its course and causing severe floods. Its unstable channel has earned it the nickname 'sorrow of Bihar'.
- Bagmati River
- Related: Kosi River, Gandak River, Flood Plain
A river rising in Nepal that flows through north Bihar, frequently flooding districts such as Sitamarhi and Darbhanga. Embankments along it are a recurring subject of public works.
- Gandak River
- Related: Kosi River, Bagmati River
A Himalayan river forming part of Bihar's western boundary with Uttar Pradesh before joining the Ganga. Its basin is important for irrigation and for understanding regional geography.
- Flood Plain
- Related: Kosi River, Bagmati River
Flat land beside a river that is periodically covered by water during high flow. Mapping flood plains helps in planning embankments and relief operations in Bihar.
- Bihar Diwas
- Related: Nalanda, Bodh Gaya
The state day observed on 22 March, marking the creation of Bihar as a separate province in 1912. It is a common current-affairs question for state-level examinations.
- Nalanda
- Related: Bodh Gaya, Bihar Diwas
An ancient centre of learning in present-day Bihar whose monastic university flourished for centuries. Its ruins are a UNESCO World Heritage Site and a frequent general-awareness topic.
- Bodh Gaya
- Related: Nalanda, Bihar Diwas
A town in Bihar where the Mahabodhi Temple marks the site of the Buddha's enlightenment. It attracts pilgrims worldwide and is a UNESCO World Heritage Site.
- Photosynthesis
- Related: Chlorophyll, Respiration
The process by which green plants use sunlight, water, and carbon dioxide to make glucose and release oxygen. Chlorophyll in chloroplasts captures the light energy that drives the reaction.
- Chlorophyll
- Related: Photosynthesis
The green pigment in plant cells that absorbs light energy for photosynthesis. It appears green because it reflects green wavelengths rather than absorbing them.
- Respiration
- Related: Photosynthesis
The breakdown of glucose in cells to release usable energy, producing carbon dioxide and water. Aerobic respiration needs oxygen, while anaerobic respiration does not.
- Ohm's Law
- Related: Resistivity, Series Circuit
The statement that current through a conductor is directly proportional to the potential difference across it, provided temperature stays constant. It is written as V equals I times R.
- Series Circuit
- Related: Ohm's Law, Resistivity
A circuit in which components are connected end to end so the same current flows through each. Total resistance equals the sum of individual resistances.
- Resistivity
- Related: Ohm's Law, Series Circuit
A material property measuring how strongly it opposes current flow, independent of the object's shape. It is expressed in ohm-metres and decreases in good conductors.
- Ratio and Proportion
- Related: Unitary Method, Percentage
The comparison of two quantities of the same kind, and the statement that two such comparisons are equal. Unitary-method and cross-multiplication problems rely on these ideas.
- Unitary Method
- Related: Ratio and Proportion, Percentage
A technique that first finds the value of one unit and then multiplies to get the value of the required number of units. It solves many work, speed, and cost problems quickly.
- Percentage
- Related: Ratio and Proportion, Unitary Method
A fraction expressed with denominator 100, used to compare quantities on a common scale. Profit, loss, and discount problems are usually solved by converting to percentages.
- Average
- Related: Percentage, Ratio and Proportion
The sum of a set of values divided by the number of values in the set. It is also called the arithmetic mean and is used in data-interpretation questions.
- Syllogism
- Related: Venn Diagram, Blood Relation
A form of reasoning in which conclusions are drawn from two or more given statements assumed true. Venn diagrams are the standard shortcut for solving such questions.
- Venn Diagram
- Related: Syllogism
A diagram using overlapping circles to show how sets relate, including shared and exclusive members. It quickly reveals whether a syllogistic conclusion must follow.
- Blood Relation
- Related: Syllogism, Seating Arrangement
A reasoning puzzle that describes family relationships in words and asks how two people are related. Drawing a small family tree avoids confusion in such questions.
- Seating Arrangement
- Related: Blood Relation, Syllogism
A puzzle requiring candidates to place people in a row or around a table using given positional clues. Working from the most definite clue first is the usual strategy.
- Sandhi
- Related: Samas, Upsarg
The joining of two adjacent sounds in Hindi, often changing their form at the meeting point. Recognising sandhi helps in correct spelling and in understanding compound words.
- Samas
- Related: Sandhi, Upsarg
A Hindi compound word formed by combining two or more words into a single unit. Knowing samas types aids vocabulary questions and precise translation.
- Upsarg
- Related: Samas, Sandhi
A prefix attached to a Hindi root word that modifies its meaning, such as anu or prati. Identifying prefixes helps in deducing the sense of unfamiliar words.
- Synonym
- Related: Antonym, Idiom
A word that has the same or nearly the same meaning as another word in the same language. Synonym questions test vocabulary breadth and precision of usage.
- Antonym
- Related: Synonym, Idiom
A word whose meaning is opposite to that of another word. Antonym questions check whether a candidate understands a word's exact sense, not just its general area.
- Idiom
- Related: Synonym, Antonym
A fixed expression whose meaning cannot be worked out from its individual words. Idioms are tested in fill-in-the-blank and sentence-improvement questions.