NIPER JEE 2026 - Model Paper 6

Vocabulary flashcards based on the NIPER JEE 2026 Model Paper 6 covering pharmaceutics, organic chemistry, pharmacology, and general knowledge.

Sartorial

Relating to tailoring or elegant clothing.

Homespun

The antonym of sartorial; meaning plain, simple, or unsophisticated.

Primary amine (IR spectroscopy)

Shows two N-H stretching bands (asymmetric and symmetric) as a doublet in the $3300-3500\,cm^{-1}$ region.

p-Nitroacetophenone

The key starting material for the synthesis of Chloramphenicol.

Hooke's law

Basis for IR spectrometry, described by the formula $F = -kx$, which characterizes molecular bond vibrations.

Henry-Moseley relationship

A relationship related to X-ray diffraction that relates X-ray frequency to atomic number via the equation $\sqrt{v} = a(Z-b)$.

Chiral mobile or stationary phase (HPLC)

Allows for the separation of enantiomers by creating diastereomeric interactions.

Stokes tornado mill

A variant of the hammer mill used for size reduction.

Cyclone separator

A simple, low-maintenance device for particle separation that has no moving components.

Elutriation

The method of separating powders on the basis of their density and size using an upward fluid stream.

Depth filtration

Filtration involving trapping particles inside the medium matrix by adsorption or entrapment, even if smaller than the pore size.

Membrane filter

Filter sheets made of cellulose derivatives such as cellulose acetate or cellulose nitrate.

Meta Filter

A filter medium composed of semi-circular metal rings that act as channels.

Candle filters

Filters made of unglazed porcelain (e.g., Berkefeld filter) or diatomaceous earth.

Percolation

A process in which crude material is packed into a column and solvent is allowed to pass through continuously.

Conical disc centrifuge

Also known as a nozzle centrifuge, used for the collection of starch granules.

Tinned copper kettle

Used for the evaporation of acidic material as it resists acid corrosion.

Mier's theory condition

Requires that both the solute and the solvent must be pure.

Positive correlation

A correlation where two variables move in the same direction (both increase or both decrease).

Kruskal-Wallis Test

A non-parametric one-way ANOVA that assumes groups have similar distribution shapes.

NaCl-water eutectic temperature

Approximately $-21.1\,^{\circ}C$ ($\approx -22\,^{\circ}C$), used in cryoscopy.

Acetone spreading coefficient

Approximately $42.4\,dynes/cm$ on a water surface.

Chloroform viscosity

Approximately $0.563\,cP$ at $20\,^{\circ}C$, used as a reference for viscometry.

Hausner ratio

The ratio of tapped density to bulk density reflecting interparticle friction; a value $>1.25$ indicates poor flow.

Cottrell's method

Used for the measurement of elevation of boiling-point (ebullioscopy) to determine molecular weight.

Extensive property

A property that depends on the amount of substance, such as Volume.

Hatch-Choate equations

Used to compute statistical diameters from log-normal number and weight distributions.

Ke (Elimination rate) influence

When $K_a$ is constant and $K_e$ is larger, $C_{max}$ is lesser and $t_{max}$ is short.

Michaelis-Menten Equation ($K_m \ll C$)

Occurs when the enzyme is saturated, leading to zero-order kinetics where the rate is a constant $V_{max}$.

Acetylation (Genetic Polymorphism)

A phase II metabolism reaction associated with genetic variations in NAT2 leading to slow or fast acetylators.

Sodium metaphosphate

A $(NaPO_3)_n$ polishing or abrasive agent used in dentifrices (toothpaste).

Radioisotope P-32

A beta emitter used for the treatment of Polycythaemia vera by suppressing excess red blood cell production.

Silver nitrate

A precipitating germicide that acts by precipitating bacterial proteins.

Alpha-particle

Radiation with the lowest tissue penetration power but highest ionizing power.

Carbon-14

Radioisotope used for radioactive dating of organic materials up to approximately $50,000$ years old.

Blue cylinder

The color used for metal cylinders filled with nitrous oxide for hospital use.

Lead ($Pb$)

Standard radiation shield material for X-rays and gamma rays due to high atomic number and density.

Alum

Potassium aluminium sulphate, used as an adjuvant to precipitate tetanus toxoids in vaccines.

Barium meal

Barium sulphate; an insoluble, non-toxic radiocontrast agent for GI tract imaging.

Anhydrous citric acid

An ingredient of Acid Citrate Dextrose (ACD) solution used as an anticoagulant for whole blood storage.

Cyclophosphamide

The first-line drug for Burkitt's lymphoma, cornerstone of the CODOX-M/IVAC regimen.

Enteric nervous system plexuses

Includes Auerbach's (myenteric) and Meissner's (submucosal) plexuses.

Pyrazinamide

Bactericidal to all three pools (extracellular, intracellular, and necrotic caseum) of tubercle bacilli.

COX-2 inhibitors interaction

Antagonize antihypertensive drugs and raise BP by causing sodium retention and vasoconstriction.

Aminosidine

An orphan drug (paromomycin) used for visceral leishmaniasis (kala-azar).

Digoxin

The preferred digitalis cardiac glycoside due to shorter half-life and less cumulative effect compared to digitoxin.

Ashwagandha alkaloids

Includes Anaferine and Anahygrine found in Withania somnifera.

Dunkel Draft

A 1991 text by Arthur Dunkel associated with the GATT Uruguay Round of trade negotiations.

GLUT 4

A vesicle translocated by insulin to the plasma membrane to stimulate glucose transport in muscle and adipose tissue.

Emulsion aerosol propellant

Contains $4-10\%$ propellant, which is lower than foam or solution systems.

Millipore test

A membrane challenge test used to evaluate leakage and integrity of bacterial filters.

Dilip Shanghvi

Founder of Sun Pharmaceutical Industries in 1983.

Goods and Services Tax (GST)

Implemented in India on 1 July 2017, replacing multiple indirect taxes.

R.C. Juneja

Co-founder of Mankind Pharma in 1986.

Kiran Mazumdar-Shaw

Founder of Biocon in 1978 in Bangalore.

Demonetization (India)

Announced on 8 November 2016 for existing 500 and 1000 rupee notes.

Uranus

Known as the 'Green Planet' due to atmospheric methane gas absorbing red light.

Garo Hills

A hill range located in the Indian state of Meghalaya, home to the Garo tribe.

Canberra

The capital city of Australia, established in 1913.

Sudan

The country with the most natural pyramids in the world (approximately 200-255).

Statue of Liberty

A gift from France to the USA in 1886 symbolizing friendship and democracy.

C.N.R. Rao

First recipient of India's highest scientific award, the Vigyan Ratna Award.

Asia Pacific Cities Summit (APCS) 2025

A summit recently held in Dubai, UAE.

Tryptophan

An amino acid that strongly fluoresces due to its indole ring (excitation $280\,nm$, emission $340\,nm$).

S-(+) enantiomer

The active form associated with the anti-inflammatory activity of arylalkanoic acids (profens).

Methadone

IUPAC name: 6-(dimethylamino)-4,4-diphenylheptan-3-one; used for opioid addiction.

Pentazocine

A 2-Hydroxy-5,9-dimethyl-6,7-benzomorphane derivative; a mixed opioid agonist-antagonist.

p-Anisidine

The starting material for the synthesis of Indomethacin.

Sulphasalasine

A sulphonamide drug containing a pyridine ring linked to 5-aminosalicylic acid.

Levallorphan

A morphinan skeleton drug whose synthesis involves Diels-Alder condensation.

Tranylcypromine synthesis

Employs the Curtius rearrangement (acyl azide to isocyanate).

IR radiation effect

Low energy quanta that cause molecules to vibrate in different energy levels.

Eugenol and Isoeugenol

Phenolic compounds that act as weak acids ($pKa \approx 10$).