datavorous/entrance-exam-dataset huggingface dataset:
What does Raoult's work establish regarding the effect of solute particles on vapor pressure?

Options:
A The lowering of vapor pressure depends on the concentration of solute particles, but it also depends on their identity.
B The lowering of vapor pressure depends only on the identity of the solute particles.
C The lowering of vapor pressure depends on the concentration of solute particles, and it is independent of their identity.
D The lowering of vapor pressure depends only on the identity of the solvent.

The correct answer is:
The lowering of vapor pressure depends on the concentration of solute particles, and it is independent of their identity.

Solution:
Raoult's work established that the lowering of vapor pressure in a solution depends on the concentration of solute particles and is independent of their identity.

Topic: Chemistry, Solutions, NEET
What does 'α' represent in the equation Ka = c²α² / c(1-α)?

Options:
A The equilibrium constant.
B The concentration of X– ions.
C The extent up to which HX is ionized into ions.
D The initial concentration of H3O+ ions.

The correct answer is:
The extent up to which HX is ionized into ions.

Solution:
In the equation Ka = c²α² / c(1-α), 'α' represents the extent up to which HX is ionized into ions.

Topic: Chemistry, Ionic Equilibrium, NEET
What does '⍺' represent in the expression ⍺ = Λm/Λ°m?

Options:
A Molar concentration
B Degree of dissociation
C Conductivity
D Concentration

The correct answer is:
Degree of dissociation

Solution:
"⍺" represents the degree of dissociation in the expression ⍺ = Λm/Λ°m.

Topic: Chemistry, Electrochemistry, NEET
What does reproductive health refer to according to the World Health Organisation (WHO)?

Options:
A Physically and emotionally healthy reproductive organs with normal functions.
B Only physically healthy reproductive organs with normal functions.
C Only emotionally healthy reproductive organs with normal functions.
D Emotional and social aspects of reproduction.

The correct answer is:
Physically and emotionally healthy reproductive organs with normal functions.

Solution:
The term "reproductive health" according to the World Health Organisation (WHO) means a total well:being in all aspects of reproduction, including physical, emotional, behavioural, and social well:being.

Topic: Biology, Reproductive Health, NEET
What does ‘S’ refer to in a 70S and an 80S ribosome?

Options:
A Sedimentation coefficient
B Svedberg’s Unit
C Siemen’s constant
D Both a and b

The correct answer is:
Both a and b

Solution:
Svedberg’s Unit or sedimentation coefficient refers to S in a 70S and an 80S ribosome.

Topic: Biology, Cell - The Unit of Life, NEET
What does SiO2 dissolve into during the leaching of bauxite with NaOH?

Options:
A Sodium hydroxide
B Sodium aluminate
C Sodium silicate
D Sodium carbonate

The correct answer is:
Sodium silicate

Solution:
SiO2 dissolves into sodium silicate during the leaching of bauxite with NaOH.

Topic: Chemistry, General Principles and Processes of Isolation of Metals, NEET
What does sodium cyanide first react with when boiled with iron(II) sulfate in the test for nitrogen?

Options:
A Sodium hydroxide
B Iron(III) ions
C Iron(II) sulfate
D Sodium hexacyanidoferrate(II)

The correct answer is:
Iron(II) sulfate

Solution:
Sodium cyanide first reacts with iron(II) sulfate when boiled in the test for nitrogen.

Topic: Chemistry, General Organic Chemistry, NEET
What does sodium hydroxide react with in the atmosphere to form sodium carbonate (Na2CO3)?

Options:
A Oxygen
B Nitrogen
C Carbon dioxide (CO2)
D Hydrogen

The correct answer is:
Carbon dioxide (CO2)

Solution:
Sodium hydroxide reacts with carbon dioxide (CO2) in the atmosphere to form sodium carbonate (Na2CO3).

Topic: Chemistry, s Block Elements, NEET
What does "solute" refer to in a solution?

Options:
A The component with the largest quantity
B The component with the smallest quantity
C The solvent
D The mixture's physical state

The correct answer is:
The component with the smallest quantity

Solution:
In a solution, the solute refers to the component with the smallest quantity.

Topic: Chemistry, Solutions, NEET
What does stoichiometry deal with?

Options:
A Calculation of temperatures in chemical reactions
B Calculation of masses and volumes of reactants
C Calculation of the speed of chemical reactions
D Calculation of energy changes in chemical reactions

The correct answer is:
Calculation of masses and volumes of reactants

Solution:
Stoichiometry deals with the calculation of masses (sometimes volumes also) of the reactants and the products involved in a chemical reaction.

Topic: Chemistry, Some Basic Concepts of Chemistry, NEET
What does sulphur dioxide react with chlorine in the presence of charcoal to produce?

Options:
A Sulphur trioxide
B Sulphuryl chloride
C Sulphur hexafluoride
D Sulphur tetrafluoride

The correct answer is:
Sulphuryl chloride

Solution:
The passage mentions that sulphur dioxide reacts with chlorine in the presence of charcoal (acting as a catalyst) to give sulphuryl chloride, SO2Cl2.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What does systematics take into account?

Options:
A Ecological relationships
B Evolutionary relationships
C Uses of organisms
D Human interest in organisms

The correct answer is:
Evolutionary relationships

Solution:
Systematics takes into account evolutionary relationships between organisms.

Topic: Biology, The Living World, NEET
What does Table 5.3 provide information about?

Options:
A Melting points of transition metal complexes
B Solubility of complexes in water
C Relationship between absorbed wavelengths and observed color
D Transition metal complex stability

The correct answer is:
Relationship between absorbed wavelengths and observed color

Solution:
Table 5.3 provides information about the relationship between the wavelengths of light absorbed and the observed color in transition metal complexes.

Topic: Chemistry, Coordination Compounds, NEET
What does the A and B in the given figure represent?

Options:
A base pairs, sugar-phosphate backbone
B sugar-phosphate backbone, base pairs
C Adenine, thymine
D Guanine, cytosine

The correct answer is:
base pairs, sugar-phosphate backbone

Solution:
In the above figure, A represents base pairs and B represents sugar-phosphate backbone

Topic: Biology, Molecular Basis of Inheritance, NEET
What does the A and B represent in the given figure about the white winged moth and dark winged moth?

Options:
A a- in unpolluted area , b- in polluted area
B a- in polluted area, b- in unpolluted area
C a- in city area, b- in village area
D a- in village area, b- in city area

The correct answer is:
a- in unpolluted area , b- in polluted area

Solution:
In the above figure, a represents the white and dark winged moth in unpolluted area while b represents moth in polluted area

Topic: Biology, Evolution, NEET
What does the abbreviation 'Me' represent in organic chemistry nomenclature?

Options:
A Methylene group
B Methyl group
C Methane group
D Methoxy group

The correct answer is:
Methyl group

Solution:
'Me' is an abbreviation for the methyl group in organic chemistry nomenclature.

Topic: Chemistry, General Organic Chemistry, NEET
What does the activity of a catalyst depend upon?

Options:
A Surface area
B Strength of chemisorption
C Reactant concentration
D Temperature

The correct answer is:
Strength of chemisorption

Solution:
The paragraph states that the activity of a catalyst depends upon the strength of chemisorption to a large extent.

Topic: Chemistry, Surface Chemistry, NEET
What does the addition of sodium hydrogen sulphide form when it reacts with aldehydes and ketones?

Options:
A Alcohols
B Carboxylic acids
C Addition products
D Hydrogen gas

The correct answer is:
Addition products

Solution:
The addition of sodium hydrogen sulphite forms addition products when it reacts with aldehydes and ketones.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What does the adrenal cortex secrete?

Options:
A Adrenaline and norepinephrine
B Glucagon and insulin
C Glucocorticoids and mineralocorticoids
D Erythropoietin

The correct answer is:
Glucocorticoids and mineralocorticoids

Solution:
The adrenal cortex secretes glucocorticoids and mineralocorticoids. Glucocorticoids stimulate gluconeogenesis, lipolysis, proteolysis, erythropoiesis, cardiovascular system, blood pressure, and glomerular filtration rate and inhibit inflammatory reactions by suppressing the immune response. Mineralocorticoids regulate water and electrolyte contents of the body.

Topic: Biology, Chemical Coordination and Integration, NEET
What does the ammonia molecule do as a Lewis base?

Options:
A Accepts electrons from metal ions
B Donates its lone pair of electrons to form a linkage with metal ions
C Forms covalent bonds with other ammonia molecules
D Creates new ammonia molecules

The correct answer is:
Donates its lone pair of electrons to form a linkage with metal ions

Solution:
The paragraph explains that the ammonia molecule, as a Lewis base, donates its lone pair of electrons to form a linkage with metal ions.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What does the analysis of meteorite content reveal?

Options:
A Similar compounds to those observed on Earth
B Different compounds than those observed on Earth
C No compounds
D Gold and Silver

The correct answer is:
Similar compounds to those observed on Earth

Solution:
Analysis of meteorite content revealed similar compounds indicating that similar processes are occurring elsewhere in space.

Topic: Biology, Evolution, NEET
What does the anther in a flower represent?

Options:
A Ovary
B Style
C Male reproductive organ
D Female reproductive organ

The correct answer is:
Male reproductive organ

Solution:
The androecium in a flower represents the male reproductive organ, and the anther is part of the androecium.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET
What does the area of the interface depend on?

Options:
A Temperature
B Pressure
C Size of the particles of bulk phases
D Density of the bulk phases

The correct answer is:
Size of the particles of bulk phases

Solution:
The area of the interface depends on the size of the particles of bulk phases.

Topic: Chemistry, Surface Chemistry, NEET
What does the area under the curve in the kinetic energy distribution represent?

Options:
A The total kinetic energy of the system
B The temperature of the system
C The average kinetic energy of the molecules
D The total probability of finding a molecule with a specific kinetic energy

The correct answer is:
The total probability of finding a molecule with a specific kinetic energy

Solution:
The area under the curve in the kinetic energy distribution represents the total probability of finding a molecule with a specific kinetic energy.

Topic: Chemistry, Chemical Kinetics, NEET
What does the Arrhenius equation explain?

Options:
A The rate of a chemical reaction
B The mechanism of a chemical reaction
C The stoichiometry of a chemical reaction
D The equilibrium constant of a chemical reaction

The correct answer is:
The rate of a chemical reaction

Solution:
The Arrhenius equation explains the temperature dependence of the rate of a chemical reaction.

Topic: Chemistry, Chemical Kinetics, NEET
What does the arrow in the molecule's representation indicate about electron density?

Options:
A It represents the absence of electron density.
B It signifies the magnitude of electron density.
C It denotes the direction of electron density shift.
D It illustrates the shape of the molecule.

The correct answer is:
It denotes the direction of electron density shift.

Solution:
The arrow in the molecule's representation symbolizes the direction of the shift of electron density.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What does the arrow pointing from δ+ to δ– end of the polar bond represent?

Options:
A The direction of electron flow
B The direction of positive charge
C The direction of bond formation
D The direction of bond breaking

The correct answer is:
The direction of electron flow

Solution:
The arrow points from δ+ to δ– end of the polar bond to represent the shift of electron density.

Topic: Chemistry, General Organic Chemistry, NEET
What does the assumption of electron transfer in chemical reactions lead to?

Options:
A Ionization
B Redox reactions
C Covalent bonds
D Electronegativity

The correct answer is:
Redox reactions

Solution:
The passage suggests that the assumption of electron transfer leads to the simple description of redox (reduction-oxidation) reactions.

Topic: Chemistry, Redox Reactions, NEET
What does the atrial wall of the heart produce?

Options:
A Atrial natriuretic factor
B Estradiol
C Thyrocalcitonin
D Proteolysis

The correct answer is:
Atrial natriuretic factor

Solution:
The atrial wall of the heart produces atrial natriuretic factor, which decreases blood pressure.

Topic: Biology, Chemical Coordination and Integration, NEET
What does the average rate of a reaction depend on?

Options:
A The temperature of the reaction
B The volume of the reaction vessel
C The change in concentration of reactants or products
D The color of the reaction mixture

The correct answer is:
The change in concentration of reactants or products

Solution:
The average rate of a reaction depends upon the change in concentration of reactants or products.

Topic: Chemistry, Chemical Kinetics, NEET
What does the Big Bang theory attempt to explain?

Options:
A The origin of life
B The formation of galaxies
C The origin of the universe
D The expansion of the universe

The correct answer is:
The origin of the universe

Solution:
The Big Bang theory attempts to explain the origin of the universe.

Topic: Biology, Evolution, NEET
What does the bioreactor have in addition to the agitator system and oxygen delivery system?

Options:
A Foam control system
B Sampling ports
C Temperature control system
D All of the above

The correct answer is:
All of the above

Solution:
The bioreactor has an agitator system, an oxygen delivery system, a foam

Topic: Biology, Biotechnology - Principles and Processes, NEET
What does the bond angle provide some idea about in a molecule or complex ion?

Options:
A The distance between atoms.
B The distribution of orbitals around the central atom.
C The bond length.
D The molecular weight.

The correct answer is:
The distribution of orbitals around the central atom.

Solution:
The bond angle provides some idea about the distribution of orbitals around the central atom in a molecule or complex ion.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What does the Bond Order represent in the Lewis description of a covalent bond?

Options:
A The number of electrons involved in the bond
B The length of the bond
C The strength of the bond
D The temperature at which the bond forms

The correct answer is:
The strength of the bond

Solution:
In the Lewis description of a covalent bond, the Bond Order represents the strength of the bond, as it indicates the number of bonds between two atoms in a molecule.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What does the brightness or intensity of spectral lines depend on?

Options:
A The wavelength of the photons.
B The number of photons of the same wavelength or frequency absorbed or emitted.
C The size of the hydrogen atom's nucleus.
D The temperature of the surrounding environment.

The correct answer is:
The number of photons of the same wavelength or frequency absorbed or emitted.

Solution:
the brightness or intensity of spectral lines depends upon the number of photons of the same wavelength or frequency absorbed or emitted.

Topic: Chemistry, Structure of Atom, NEET
What does the Brownian movement prevent particles from doing?

Options:
A Aggregating
B Rotating
C Dissolving
D Evaporating

The correct answer is:
Aggregating

Solution:
The paragraph indicates that Brownian movement prevents particles from aggregating.

Topic: Chemistry, Surface Chemistry, NEET
What does the calculated magnetic moment of 5.92 Bohr magnetons (BM) indicate about the divalent ion?

Options:
A It has no unpaired electrons.
B It has 5 unpaired electrons.
C It has 10 unpaired electrons.
D It has 25 unpaired electrons.

The correct answer is:
It has 5 unpaired electrons.

Solution:
The calculated magnetic moment of 5.92 Bohr magnetons (BM) indicates that the divalent ion has 5 unpaired electrons.

Topic: Chemistry, d and f Block Elements, NEET
What does the cation do to the electronic charge of the anion in an ionic bond?

Options:
A The cation reduces the electronic charge of the anion.
B The cation increases the electronic charge of the anion.
C The cation has no effect on the electronic charge of the anion.
D The cation repels the electronic charge of the anion.

The correct answer is:
The cation increases the electronic charge of the anion.

Solution:
The cation polarizes the anion, pulling the electronic charge toward itself and increasing the electronic charge between the two.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What does the cerebellum have in order to provide additional space for neurons?

Options:
A Convoluted surface
B Corpora quadrigemina
C Respiratory centres
D Limbic lobe

The correct answer is:
Convoluted surface

Solution:
The cerebellum has a very convoluted surface in order to provide the additional space for many more neurons.

Topic: Biology, Neural Control and Coordination, NEET
What does the classification system focus on regarding drug action?

Options:
A The color of drugs
B The chemical composition of drugs
C The origin of drugs
D The impact of drugs on biochemical processes

The correct answer is:
The impact of drugs on biochemical processes

Solution:
The classification is based on the action of a drug on a particular biochemical process.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What does the CNS include?

Options:
A Brain and spinal cord
B Afferent nerve fibres
C Efferent nerve fibres
D Somatic and autonomic neural system

The correct answer is:
Brain and spinal cord

Solution:
The CNS includes the brain and spinal cord and is the site of information processing and control.

Topic: Biology, Neural Control and Coordination, NEET
What does the concentration of solute in a solution in dynamic equilibrium with undissolved solute represent?

Options:
A Solubility
B Saturation
C Insolubility
D Concentration

The correct answer is:
Solubility

Solution:
The paragraph mentions that the concentration of solute in a solution in dynamic equilibrium with undissolved solute is its solubility.

Topic: Chemistry, Solutions, NEET
What does the concept of oxidation number help to define?

Options:
A Molecular weight
B Electron configuration
C Oxidation and reduction
D Covalent bonds

The correct answer is:
Oxidation and reduction

Solution:
The passage states that the concept of oxidation number is applied to define oxidation and reduction.

Topic: Chemistry, Redox Reactions, NEET
What does the conductivity of a material in S m-1 represent?

Options:
A Its conductance when it is 1 m long and 1 m2 area of cross-section
B Its conductance when it is 1 cm long and 1 cm2 area of cross-section
C Its conductance when it is 1 m long and 1 cm2 area of cross-section
D Its conductance when it is 1 cm long and 1 m2 area of cross-section

The correct answer is:
Its conductance when it is 1 m long and 1 m2 area of cross-section

Solution:
The conductivity of a material in S m-1 represents its conductance when it is 1 m long and 1 m2 area of cross-section.

Topic: Chemistry, Electrochemistry, NEET
What does the conductivity of a solution depend on?

Options:
A Temperature
B Concentration of ions and their charge and size
C Type of conductivity cell used
D Frequency of the oscillator

The correct answer is:
Concentration of ions and their charge and size

Solution:
The conductivity of solutions of different electrolytes depends on the charge and size of the ions in which they dissociate and the concentration of ions, among other factors.

Topic: Chemistry, Electrochemistry, NEET
What does the conductivity of solutions of different electrolytes depend on, besides concentration and ion characteristics?

Options:
A Color of the solution
B Type of conductivity cell
C pH of the solution
D Frequency of the oscillator

The correct answer is:
pH of the solution

Solution:
The conductivity of solutions of different electrolytes depends on factors such as the concentration and ion characteristics, as well as the pH of the solution.

Topic: Chemistry, Electrochemistry, NEET
What does the covalent radius represent?

Options:
A The overall size of the atom including its valence shell in a nonbonded situation.
B The distance between two similar atoms in separate molecules in a solid.
C The distance between two dissimilar atoms in a covalent bond.
D The distance between the valence electrons of two bonded atoms.

The correct answer is:
The distance between two dissimilar atoms in a covalent bond.

Solution:
The covalent radius represents the distance between two dissimilar atoms in a covalent bond.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What does the 'D' notation in D(+)-glucose represent?

Options:
A Dextrorotatory nature
B Dehydration
C Diastereomer
D Density

The correct answer is:
Dextrorotatory nature

Solution:
'D' in D(+)-glucose represents the dextrorotatory nature of the molecule.

Topic: Chemistry, Biomolecules, NEET
What does the denticity of a ligand refer to?

Options:
A The number of ligating groups in a complex
B The charge on the ligand
C The size of the ligand
D The coordination number of the metal ion

The correct answer is:
The number of ligating groups in a complex

Solution:
The denticity of a ligand indicates the number of ligating groups it uses to bind to a central metal ion in a complex.

Topic: Chemistry, Coordination Compounds, NEET
What does the difference in ∆aH⊖ values for the O – H bonds in polyatomic molecules indicate?

Options:
A The difference in bond length
B The difference in bond strength
C The difference in temperature
D The difference in the number of atoms

The correct answer is:
The difference in bond strength

Solution:
The difference in ∆aH⊖ values for the O – H bonds in polyatomic molecules indicates a change in bond strength due to the changed chemical environment.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What does the difficulty in studying actinoid elements result from?

Options:
A Their high reactivity
B Their non-radioactive nature
C Their short half-lives
D The limited availability of latter members

The correct answer is:
The limited availability of latter members

Solution:
The latter members could be prepared only in nanogram quantities. These facts render their study more difficult.

Topic: Chemistry, d and f Block Elements, NEET
What does the dipole moment of a molecule depend on?

Options:
A The charge of the molecule only
B The distance between the centers of positive and negative charge only
C Both the charge of the molecule and the distance between charges
D The size of the molecule

The correct answer is:
Both the charge of the molecule and the distance between charges

Solution:
The dipole moment of a molecule depends on both the charge of the molecule and the distance between the centers of positive and negative charge.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What does the dipole moment of a polyatomic molecule depend on?

Options:
A Only the spatial arrangement of bonds
B Only the individual dipole moments of bonds
C The spatial arrangement of bonds and individual dipole moments of bonds
D The number of atoms in the molecule

The correct answer is:
The spatial arrangement of bonds and individual dipole moments of bonds

Solution:
The dipole moment of a polyatomic molecule depends on both the spatial arrangement of bonds and the individual dipole moments of bonds.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET