datavorous/entrance-exam-dataset huggingface dataset:
What does the subscript "V" in qV denote?

Options:
A Heat supplied at constant pressure
B Heat supplied during free expansion
C Heat supplied at constant volume
D Heat supplied at constant temperature

The correct answer is:
Heat supplied at constant volume

Solution:
The subscript "V" in qV denotes that heat is supplied at constant volume during a process.

Topic: Chemistry, Thermodynamics (C), NEET
What does the surface of the catalyst have that provides the seat for chemical forces of attraction?

Options:
A Free radicals
B Free valencies
C Free electrons
D Free protons

The correct answer is:
Free valencies

Solution:
The surface of the catalyst has free valencies that provide the seat for chemical forces of attraction.

Topic: Chemistry, Surface Chemistry, NEET
What does the symbol ∆aH⊖ represent?

Options:
A Heat of formation
B Bond length
C Bond energy
D Heat of dissociation

The correct answer is:
Heat of dissociation

Solution:
The symbol ∆aH⊖ represents the heat of dissociation, as it describes the dissociation of HCl into H and Cl atoms.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What does the symbol "k1" represent in the Boyle’s law equation?

Options:
A Pressure of the gas
B Volume of the gas
C Proportionality constant
D Temperature of the gas

The correct answer is:
Proportionality constant

Solution:
"k1" is the proportionality constant in the equation.

Topic: Chemistry, States of Matter, NEET
What does the symbol ∆n represent in the expression for Kp?

Options:
A Number of moles of gaseous products
B Number of moles of gaseous reactants
C Total number of moles of reactants and products
D None of the above

The correct answer is:
Number of moles of gaseous products

Solution:
In the expression for Kp, ∆n represents the number of moles of gaseous products minus the number of moles of gaseous reactants.

Topic: Chemistry, Chemical Equilibrium, NEET
What does the symbol π represent?

Options:
A A shared pair of electrons
B A single bond
C A triple bond
D An attacking reagent

The correct answer is:
A shared pair of electrons

Solution:
The symbol π represents a shared pair of π-electrons.

Topic: Chemistry, General Organic Chemistry, NEET
What does the symbol ∆rH represent in a chemical reaction?

Options:
A The heat capacity of the reactants
B The change in temperature during the reaction
C The reaction enthalpy change
D The reaction rate

The correct answer is:
The reaction enthalpy change

Solution:
The symbol ∆rH represents the reaction enthalpy change, which is the enthalpy change accompanying a chemical reaction.

Topic: Chemistry, Thermodynamics (C), NEET
What does the symbol "u" represent in the equation for average speed?

Options:
A Total energy of gas molecules
B Individual speeds of gas molecules
C Speed of light
D Speed of sound

The correct answer is:
Individual speeds of gas molecules

Solution:
The symbol "u" represents the individual speeds of gas molecules in the equation for average speed.

Topic: Chemistry, States of Matter, NEET
What does the term "A" represent in the equation F ∝ ηA × du/dz?

Options:
A Velocity gradient
B Area of contact
C Proportionality constant
D Force

The correct answer is:
Area of contact

Solution:
In the equation F ∝ ηA × du/dz , the term "A" represents the area of contact.

Topic: Chemistry, States of Matter, NEET
What does the term "alkali metals" refer to?

Options:
A Metals used in the textile industry
B Recycled metals
C Metals with high density
D Metals used in the "green fuel" production

The correct answer is:
Metals with high density

Solution:
The term "alkali metals" does not refer to metals used in any industry but rather to metals with high density. It is not directly related to the context of "green fuel" or recycled metals.

Topic: Chemistry, Environmental Chemistry, NEET
What does the term "amorphous" mean in the context of amorphous solids?

Options:
A No form
B Geometrical shape
C Crystalline
D Irregular

The correct answer is:
No form

Solution:
The term "amorphous" in the context of amorphous solids comes from the Greek word "amorphos," meaning no form, as mentioned in the paragraph.

Topic: Chemistry, Solid State, NEET
What does the term apical dominance mean?

Options:
A Suppression of growth of apical bud by axillary buds in the presence of hormone auxins
B Suppression of growth of axillary buds by the presence of apical buds under the effect of hormone auxins.
C Suppression of growth of axillary buds by the presence of apical buds under the effect of hormone cytokinins.
D Suppression of growth of apical buds by the presence of axillary buds under the effect of hormone cytokinins.

The correct answer is:
Suppression of growth of axillary buds by the presence of apical buds under the effect of hormone auxins.

Solution:
In most higher plants, the growing apical bud inhibits the growth of the lateral (axillary) buds, a phenomenon called apical dominance. It happens under the effect of auxin hormone. Cytokinins help in overcoming apical dominance.

Topic: Biology, Plant - Growth and Development, NEET
What does the term "biodiversity" refer to?

Options:
A The number of species on Earth
B The diversity at all levels of biological organization
C The diversity of species in the tropics
D The diversity of vertebrate species

The correct answer is:
The diversity at all levels of biological organization

Solution:
Biodiversity refers to the sum total of diversity that exists at all levels of biological organization.

Topic: Biology, Biodiversity and its Conservation, NEET
What does the term "biogas" refer to in the context of producing electricity from garbage in India?

Options:
A Gas derived from biological sources
B Gas used for cooking
C Gas released during composting
D Gas used for transportation

The correct answer is:
Gas derived from biological sources

Solution:
In the context of producing electricity from garbage in India, "biogas" refers to gas derived from biological sources, specifically from the bacterial decomposition of organic waste.

Topic: Chemistry, Environmental Chemistry, NEET
What does the term C represent in Freundlich's equation for adsorption from the solution phase?

Options:
A Equilibrium pressure
B Equilibrium temperature
C Equilibrium concentration
D Equilibrium surface area

The correct answer is:
Equilibrium concentration

Solution:
In Freundlich's equation for adsorption from the solution phase, the term C represents equilibrium concentration when adsorption is complete.

Topic: Chemistry, Surface Chemistry, NEET
What does the term "chelate" refer to in the context of coordination compounds?

Options:
A A type of ligand
B The coordination number of the metal ion
C The shape of the complex
D The charge on the ligand

The correct answer is:
A type of ligand

Solution:
"Chelate" refers to a type of ligand that binds to a central metal ion using multiple donor atoms simultaneously.

Topic: Chemistry, Coordination Compounds, NEET
What does the term "coagulating value" refer to?

Options:
A The time required for coagulation
B The concentration of a sol
C The valence of the flocculating ion
D The minimum concentration of an electrolyte required for precipitation in two hours

The correct answer is:
The minimum concentration of an electrolyte required for precipitation in two hours

Solution:
The paragraph defines "coagulating value" as the minimum concentration of an electrolyte required to cause precipitation of a sol in two hours.

Topic: Chemistry, Surface Chemistry, NEET
What does the term "colligative properties" refer to in the context of solutions?

Options:
A Properties that depend on the nature of solute particles
B Properties that are unrelated to the number of solute particles
C Properties that depend on the number of solute particles regardless of their nature
D Properties that only depend on the total mass of the solution

The correct answer is:
Properties that depend on the number of solute particles regardless of their nature

Solution:
The paragraph defines colligative properties as properties that depend on the number of solute particles in a solution, regardless of their nature.

Topic: Chemistry, Solutions, NEET
What does the term "curved-arrow notation" represent in the context of organic reactions?

Options:
A A type of chemical equation
B A diagram of reactants and products
C A way to show the movement of an electron pair
D A notation for reaction rates

The correct answer is:
A way to show the movement of an electron pair

Solution:
A curved-arrow notation is used to show the movement of an electron pair from the nucleophile to the electrophile in organic reactions.

Topic: Chemistry, General Organic Chemistry, NEET
What does the term "decarboxylation" refer to in the context of carboxylic acids?

Options:
A Formation of carbon dioxide
B Formation of aldehydes
C Formation of hydrocarbons
D Formation of esters

The correct answer is:
Formation of carbon dioxide

Solution:
Decarboxylation refers to the elimination of a carbon dioxide molecule from a carboxylic acid, resulting in the formation of a different compound.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What does the term e-Ea /RT represent in the rate expression Rate = ZAB e-Ea /RT?

Options:
A The rate of reaction
B The activation energy
C The collision frequency
D The fraction of molecules with energies greater than Ea

The correct answer is:
The fraction of molecules with energies greater than Ea

Solution:
In the rate expression, e-Ea /RT represents the fraction of molecules with energies equal to or greater than the activation energy Ea.

Topic: Chemistry, Chemical Kinetics, NEET
What does the term "electroosmosis" refer to in the context of electrophoresis?

Options:
A Movement of colloidal particles towards electrodes
B Movement of dispersion medium in an electric field
C Precipitation of colloidal particles
D Discharge of colloidal particles

The correct answer is:
Movement of dispersion medium in an electric field

Solution:
The paragraph mentions that when electrophoresis movement of particles is prevented, the dispersion medium begins to move in an electric field, a phenomenon termed electroosmosis.

Topic: Chemistry, Surface Chemistry, NEET
What does the term "geometrical growth" refer to?

Options:
A Slow growth rate
B Linear growth rate
C Exponential growth rate
D Stationary phase

The correct answer is:
Exponential growth rate

Solution:
Geometrical growth refers to growth at an exponential rate, where both the daughter cells retain the ability to divide and continue to do so.

Topic: Biology, Plant - Growth and Development, NEET
What does the term "glycolysis" originate from?

Options:
A Greek words for splitting and sugar
B Latin words for joining and carbohydrate
C Greek words for joining and protein
D Latin words for splitting and fat

The correct answer is:
Greek words for splitting and sugar

Solution:
The term glycolysis originates from the Greek words "glycos" for sugar, and "lysis" for splitting.

Topic: Biology, Respiration in Plants, NEET
What does the term "internal energy" (U) in thermodynamics represent?

Options:
A The energy of the surroundings
B The sum of all forms of energy in the system
C The energy lost by the system
D The energy gained by the surroundings

The correct answer is:
The sum of all forms of energy in the system

Solution:
In thermodynamics, internal energy (U) represents the sum of all forms of energy within the system.

Topic: Chemistry, Thermodynamics (C), NEET
What does the term "ionization enthalpy" represent?

Options:
A The energy required to add an electron to a gaseous atom.
B The energy required to remove an electron from an isolated gaseous atom in its ground state.
C The energy required to change the state of an atom.
D The energy required to convert an atom into a molecule.

The correct answer is:
The energy required to remove an electron from an isolated gaseous atom in its ground state.

Solution:
Ionization enthalpy represents the energy required to remove an electron from an isolated gaseous atom in its ground state.

Topic: Chemistry, Classification of Elements and Periodicity in Properties, NEET
What does the term 'multimolecular colloids' refer to?

Options:
A Colloids formed by a single macromolecule
B Colloids with particles of various sizes
C Colloids with small particles
D Colloids with large particles

The correct answer is:
Colloids with particles of various sizes

Solution:
Multimolecular colloids refer to colloids where a large number of atoms or smaller molecules aggregate together, resulting in particles of various sizes.

Topic: Chemistry, Surface Chemistry, NEET
What does the term "non-volatile" mean in the context of solutes in a solution?

Options:
A The solute easily vaporizes.
B The solute is not affected by temperature changes.
C The solute has a high vapor pressure.
D The solute does not easily vaporize at the given temperature.

The correct answer is:
The solute does not easily vaporize at the given temperature.

Solution:
The solute does not easily vaporize at the given temperature.

Topic: Chemistry, Solutions, NEET
What does the term "osmotic pressure" refer to?

Options:
A Pressure applied externally
B Pressure exerted by colloidal particles
C Pressure applied to colloidal particles
D Pressure exerted by a solvent across a semi-permeable membrane

The correct answer is:
Pressure exerted by a solvent across a semi-permeable membrane

Solution:
Osmotic pressure refers to the pressure exerted by a solvent across a semi-permeable membrane.

Topic: Chemistry, Surface Chemistry, NEET
What does the term "paraffin" mean in Latin?

Options:
A Little aroma
B Little affinity
C Little weight
D Little color

The correct answer is:
Little affinity

Solution:
The paragraph explains that "paraffin" is derived from Latin and means "little affinity."

Topic: Chemistry, General Organic Chemistry, NEET
What does the term "redox" refer to?

Options:
A A type of chemical reaction
B The process of reduction
C The process of oxidation
D A type of metal

The correct answer is:
A type of chemical reaction

Solution:
"Redox reaction" is a type of chemical reaction.

Topic: Chemistry, Redox Reactions, NEET
What does the term "reducing agent" refer to?

Options:
A Acceptor of electrons
B Donor of electrons
C Loss of electrons by any species
D Gain of electrons by any species

The correct answer is:
Donor of electrons

Solution:
The passage defines a reducing agent as a species that donates electrons.

Topic: Chemistry, Redox Reactions, NEET
What does the term "reduction" encompass in chemistry?

Options:
A Addition of oxygen to a substance
B Removal of hydrogen from a substance
C Removal of electronegative elements
D Addition of electropositive elements

The correct answer is:
Removal of hydrogen from a substance

Solution:
According to the passage, "reduction" includes the removal of hydrogen or electropositive elements from a substance.

Topic: Chemistry, Redox Reactions, NEET
What does the term "requisite minimum" refer to in the context of colloidal solutions?

Options:
A Maximum allowable impurities
B Minimum allowable impurities
C Maximum allowable stability
D Minimum allowable coagulation

The correct answer is:
Minimum allowable impurities

Solution:
In the context of colloidal solutions, the term "requisite minimum" refers to the minimum allowable impurities.

Topic: Chemistry, Surface Chemistry, NEET
What does the term "retention of configuration" refer to?

Options:
A The change in the spatial arrangement of bonds
B The preservation of the spatial arrangement of bonds
C The transformation of asymmetric centers
D The chemical reaction of asymmetric compounds

The correct answer is:
The preservation of the spatial arrangement of bonds

Solution:
"Retention of configuration" is the preservation of the spatial arrangement of bonds to an asymmetric center.

Topic: Chemistry, Haloalkanes and Haloarenes, NEET
What does the term "reversible" mean in the context of chemical reactions?

Options:
A It refers to a reaction that can proceed in only one direction.
B It indicates a reaction that is very slow and may not reach completion.
C It implies that a reaction can proceed in either direction simultaneously, leading to a dynamic equilibrium.
D It suggests that a reaction is irreversible and cannot reach equilibrium.

The correct answer is:
It implies that a reaction can proceed in either direction simultaneously, leading to a dynamic equilibrium.

Solution:
In the context of chemical reactions, "reversible" means that a reaction can proceed in either direction simultaneously, resulting in a dynamic equilibrium.

Topic: Chemistry, Thermodynamics (C), NEET
What does the term "stoichiometric coefficient" refer to in a balanced chemical equation?

Options:
A The mass of each reactant
B The ratio of reactants to products
C The number of moles of each reactant and product
D The temperature at which the reaction occurs

The correct answer is:
The ratio of reactants to products

Solution:
In a balanced chemical equation, the stoichiometric coefficient represents the ratio of reactants to products in terms of the number of molecules or moles.

Topic: Chemistry, Chemical Kinetics, NEET
What does the term "surroundings" encompass in thermodynamics?

Options:
A The entire universe
B The system and everything within it
C Everything other than the system
D Only the macroscopic properties of a system

The correct answer is:
Everything other than the system

Solution:
In thermodynamics, the surroundings include everything other than the system.

Topic: Chemistry, Thermodynamics (C), NEET
What does the total energy of the system account for in the Schrödinger equation?

Options:
A Only the kinetic energies of electrons
B Only the attractive potential between electrons and nuclei
C Only the repulsive potential among electrons and nuclei individually
D Kinetic energies of all subatomic particles, attractive potential between electrons and nuclei, and repulsive potential among electrons and nuclei individually

The correct answer is:
Kinetic energies of all subatomic particles, attractive potential between electrons and nuclei, and repulsive potential among electrons and nuclei individually

Solution:
The total energy of the system in the Schrödinger equation takes into account the kinetic energies of all subatomic particles (electrons, nuclei), attractive potential between the electrons and nuclei, and repulsive potential among the electrons and nuclei individually.

Topic: Chemistry, Structure of Atom, NEET
What does the T-wave represent in an ECG?

Options:
A The depolarisation of the atria
B The repolarisation of the atria
C The depolarisation of the ventricles
D The repolarisation of the ventricles

The correct answer is:
The repolarisation of the ventricles

Solution:
The T-wave represents the return of the ventricles from excited to normal state (repolarisation).

Topic: Biology, Body Fluids and Circulation, NEET
What does the type of hybridisation indicate?

Options:
A The number of bonds in a molecule
B The energy of the hybrid orbitals
C The shape or geometry of the molecules
D The type of atoms involved in bonding

The correct answer is:
The shape or geometry of the molecules

Solution:
The type of hybridisation indicates the geometry of the molecules.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What does the ultramicroscope observe?

Options:
A The size and shape of colloidal particles
B The actual colloidal particles
C The path of light scattered by colloidal particles
D The refractive indices of colloidal particles

The correct answer is:
The path of light scattered by colloidal particles

Solution:
The ultramicroscope observes the path of light scattered by colloidal particles, not the actual colloidal particles, according to the paragraph.

Topic: Chemistry, Surface Chemistry, NEET
What does the uncertainty principle mathematically express?

Options:
A The behavior of electrons in a magnetic field
B The relationship between energy and time
C The relationship between position and momentum
D The quantization of energy levels in atoms

The correct answer is:
The relationship between position and momentum

Solution:
The uncertainty principle mathematically expresses the impossibility of determining the exact position and momentum (or velocity) of an electron simultaneously.

Topic: Chemistry, Structure of Atom, NEET
What does the urease enzyme catalyze in terms of urea?

Options:
A Conversion into glucose
B Decomposition into ammonia and carbon dioxide
C Conversion into fructose
D Hydrolysis into amino acids

The correct answer is:
Decomposition into ammonia and carbon dioxide

Solution:
The paragraph mentions that the enzyme urease catalyzes the decomposition of urea into ammonia and carbon dioxide.

Topic: Chemistry, Surface Chemistry, NEET
What does the urethra originate from?

Options:
A Testis
B Urinary bladder
C Vas deferens
D Seminal vesicles

The correct answer is:
Urinary bladder

Solution:
The urethra originates from the urinary bladder.

Topic: Biology, Human Reproduction, NEET
What does the use of curved arrows in organic reactions help illustrate?

Options:
A The color changes during the reaction
B The positions of reactants and products
C The flow of energy in the reaction
D How electrons are redistributed in the reaction

The correct answer is:
How electrons are redistributed in the reaction

Solution:
Curved-arrow notation helps illustrate how changes in bonding occur due to electronic redistribution during organic reactions.

Topic: Chemistry, General Organic Chemistry, NEET
What does the use of parentheses indicate in the naming of branched chain alkyl groups?

Options:
A The presence of double bonds in the alkyl group
B The absence of any branches in the alkyl group
C The branching of the alkyl group attached to the root alkane
D The use of common prefixes in the name of the alkyl group

The correct answer is:
The branching of the alkyl group attached to the root alkane

Solution:
The use of parentheses indicates the branching of the alkyl group attached to the root alkane in the naming of branched chain alkyl groups.

Topic: Chemistry, General Organic Chemistry, NEET
What does the value of 'A' in the equation Λm = Λ°m - A c1/2 depend on?

Options:
A Temperature and solvent type
B Electrolyte concentration
C Electrolyte charge
D Cross-sectional area of electrodes

The correct answer is:
Temperature and solvent type

Solution:
The value of constant 'A' in the equation Λm = Λ°m - A c1/2 depends on the type of solvent and temperature.

Topic: Chemistry, Electrochemistry, NEET
What does the value of 'a' in the van der Waals equation measure?

Options:
A The temperature of the gas
B The magnitude of intermolecular attractive forces within the gas
C The number of moles of the gas
D The volume of the gas

The correct answer is:
The magnitude of intermolecular attractive forces within the gas

Solution:
The value of 'a' in the van der Waals equation measures the magnitude of intermolecular attractive forces within the gas.

Topic: Chemistry, States of Matter, NEET
What does the value of "k1" vary with according to Boyle’s law?

Options:
A Volume of the gas
B Mass of the gas
C Temperature of the gas
D Pressure of the gas

The correct answer is:
Temperature of the gas

Solution:
The value of "k1" varies only with temperature.

Topic: Chemistry, States of Matter, NEET
What does the value of r represent in the exponential growth equation?

Options:
A Population density at time zero
B The base of natural logarithms
C Intrinsic rate of natural increase
D Increase or decrease in N during a unit time period

The correct answer is:
Intrinsic rate of natural increase

Solution:
The value of r in the exponential growth equation is referred to as the intrinsic rate of natural increase.

Topic: Biology, Organisms and Populations, NEET