datavorous/entrance-exam-dataset huggingface dataset:
What is the range of electrical conductivities for conductors?

Options:
A 10⁻²⁰ to 10⁻¹⁰ ohm⁻¹m⁻¹
B 10⁴ to 10⁷ ohm⁻¹m⁻¹
C 10⁻⁶ to 10⁴ ohm⁻¹m⁻¹
D 10⁻²⁰ to 10⁷ ohm⁻¹m⁻¹

The correct answer is:
10⁴ to 10⁷ ohm⁻¹m⁻¹

Solution:
Conductors have electrical conductivities ranging between 10⁴ to 10⁷ ohm⁻¹m⁻¹.

Topic: Chemistry, Solid State, NEET
What is the range of elements for which the highest oxidation number in oxides coincides with the group number?

Options:
A Sc to Fe
B Fe to Mn
C V to Ti
D Ti to Sc

The correct answer is:
Sc to Fe

Solution:
The highest oxidation number in oxides coincides with the group number and is attained in Sc2O3 to Mn2O7.

Topic: Chemistry, d and f Block Elements, NEET
What is the range of half-life values for the latter actinoid elements?

Options:
A A day to 3 minutes
B A year to a month
C A decade to a week
D A century to a day

The correct answer is:
A day to 3 minutes

Solution:
The latter actinoids have half-life values ranging from a day to 3 minutes for lawrencium (Z = 103).

Topic: Chemistry, d and f Block Elements, NEET
What is the range of the first ionization enthalpies of the lanthanoids?

Options:
A Around 200 kJ mol–1
B Around 400 kJ mol–1
C Around 600 kJ mol–1
D Around 800 kJ mol–1

The correct answer is:
Around 600 kJ mol–1

Solution:
TThe first ionisation enthalpies of the lanthanoids are around 600 kJ mol–1.

Topic: Chemistry, d and f Block Elements, NEET
What is the range of the outermost electronic configuration in each period of the p-Block Elements?

Options:
A ns2np2 to ns2np5
B ns2np1 to ns2np6
C ns1np2 to ns2np7
D ns2np3 to ns2np6

The correct answer is:
ns2np1 to ns2np6

Solution:
The outermost electronic configuration varies from ns2np1 to ns2np6 in each period of the p-Block Elements.

Topic: Chemistry, Classification of Elements and Periodicity in Properties, NEET
What is the range of Z values according to the species:area relationship analysis?

Options:
A 0.1 to 0.2
B 0.6 to 1.2
C 1.15
D 0.0 to 1.0

The correct answer is:
0.1 to 0.2

Solution:
The value of Z, the slope of the regression line, lies in the range of 0.1 to 0.2 for different taxonomic groups and regions, regardless of whether it's the plants in Britain, birds in California, or molluscs in New York state. The species:area relationships among very large areas, such as entire continents, have a much steeper slope, with Z values in the range of 0.6 to 1.2.

Topic: Biology, Biodiversity and its Conservation, NEET
What is the rate at which the internal energy is increasing when an electric heater supplies heat to a system at a rate of 100W, and the system performs work at a rate of 75 joules per second?

Options:
A 25 joules per second
B 75 joules per second
C 100 joules per second
D 175 joules per second

The correct answer is:
25 joules per second

Solution:
Correct Option is : (A)
25 joules per second

Topic: Chemistry, Thermodynamics, NEET
What is the rate equation for the given hydrogenation reaction of ethene?

Options:
A Rate = k [C2H4]
B Rate = k [H2]
C Rate = k [C2H6]
D Rate = k [C2H4][H2]

The correct answer is:
Rate = k [C2H4]

Solution:
The rate equation for the hydrogenation reaction of ethene is Rate = k [C2H4].

Topic: Chemistry, Chemical Kinetics, NEET
What is the rate equation for the reaction 2A + B → C if the order of the reaction is zero?

Options:
A Rate = k [A]0[B]0
B Rate = k [A]1[B]0
C Rate = k [A]0[B]1
D Rate = k [A]1[B]1

The correct answer is:
Rate = k [A]0[B]0

Solution:
Correct Option is : (A)
Rate = k [A]0[B]0

Topic: Chemistry, Chemical Kinetics, NEET
What is the rate law expression for the reaction for the decomposition of gaseous ammonia?

Options:
A Rate = k [NH3]
B Rate = k [NH3]0
C Rate = k [NH3]2
D Rate = k [NH4+]

The correct answer is:
Rate = k [NH3]0

Solution:
The rate law expression for the reaction is provided in the paragraph as Rate = k [NH3]0, indicating that the reaction is zero order with respect to the concentration of NH3.

Topic: Chemistry, Chemical Kinetics, NEET
What is the rate law of a reaction based on?

Options:
A The rate constant and stoichiometric coefficients
B The concentration vs. time plot
C The concentration at a specific time point
D The rate of reactant consumption

The correct answer is:
The rate constant and stoichiometric coefficients

Solution:
The rate law of a reaction is based on the rate constant and stoichiometric coefficients.

Topic: Chemistry, Chemical Kinetics, NEET
What is the rate law of the following reaction : 2NO (g) + O2(g) → 2NO2(g) ?

Options:
A Rate= k [NO]1[O2]1
B Rate= k [NO]1[O2]2
C Rate= k [NO]2[O2]1
D Rate= k [NO]3[O2]0

The correct answer is:
Rate= k [NO]2[O2]1

Solution:
Correct Option is : (C)
Rate= k [NO]2[O2]1

Topic: Chemistry, Chemical Kinetics, NEET
What is the rate of appearance of new forms linked to in evolution?

Options:
A The life cycle
B The life span
C The ability to utilise a feed component
D None of the above

The correct answer is:
The life span

Solution:
The rate of appearance of new forms in evolution is linked to the life span of the organism. For example, microbes with short life spans can multiply and become millions of individuals within hours, while it would take millions of years for the same thing to happen in a fish or fowl, due to their longer life spans.

Topic: Biology, Evolution, NEET
What is the rate of appearance of new forms linked to?

Options:
A The rate of mutation
B The life cycle or the life span
C The environment
D The population size

The correct answer is:
The life cycle or the life span

Solution:
The rate of appearance of new forms is linked to the life cycle or the life span.

Topic: Biology, Evolution, NEET
What is the rate of fuel consumption (in grams per minute) for a geyser operating on a gas burner with a heat of combustion of 4.0 × ${{10}^{4}}$ J/g if it heats water flowing at the rate of 3.0 litres per minute from 27 °C to 77 °C?

Options:
A 16.75 g/min
B 15.75g/min
C 17g/min
D 15 g/min

The correct answer is:
15.75g/min

Solution:
Correct Option is : (B)
15.75g/min

Topic: Chemistry, Thermodynamics, NEET
What is the rate-determining step in the mechanism of alcohol dehydration?

Options:
A Formation of protonated alcohol
B Formation of carbocation
C Formation of alkene
D Formation of water

The correct answer is:
Formation of carbocation

Solution:
The rate-determining step in the mechanism of alcohol dehydration is the formation of a carbocation.

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
What is the ratio between the distance traveled by the oscillator in one time period and amplitude?

Options:
A One
B Two
C Three
D Four

The correct answer is:
Four

Solution:
Correct Option is : (D)
Four

Topic: Chemistry, Oscillations, NEET
What is the ratio between the ionization enthalpy of H atom ( energy required to remove the electron from n =1 orbit) and the energy is required to ionise a H atom if the electron occupies n = 5 orbit?

Options:
A 15
B 30
C 25
D 10

The correct answer is:
25

Solution:
Correct Option is : (C)
25

Topic: Chemistry, Structure of Atom, NEET
What is the ratio between the most probable speed, average speed, and root mean square speed?

Options:
A 1:1:1
B 1:1.128:1.224
C 1.224:1:1.128
D 1:1.224:1.128

The correct answer is:
1:1.128:1.224

Solution:
The ratio between the three speeds is 1:1.128:1.224, with the most probable speed being 1, the average speed being 1.128 times that, and the root mean square speed being 1.224 times that.

Topic: Chemistry, States of Matter, NEET
What is the ratio of phenotypes observed in a dihybrid cross according to Mendel's experiments?

Options:
A 3:1
B 9:3:3:1
C 1:2:1
D 2:1

The correct answer is:
9:3:3:1

Solution:
According to Mendel's experiments, the ratio of phenotypes observed in a dihybrid cross was 9:3:3:1, which means that 9 plants had both dominant traits, 3 plants had one dominant and one recessive trait, 3 plants had the other dominant and recessive traits, and 1 plant had both recessive traits.

Topic: Biology, Principles of Inheritance and Variation, NEET
What is the ratio of the current sensitivity for two moving coil meters, M1 and M2, with the following specifications: M1: R1 = 10 Ω, N1 = 30, A1 = 3.6 × 10–3m², B1 = 0.25 T M2: R2 = 14 Ω, N2 = 42, A2 = 1.8 × 10–3m², B2 = 0.50 T (The spring constants are identical for the two meters).

Options:
A 0.8
B 1.0
C 1.2
D 1.4

The correct answer is:
1.4

Solution:
Correct Option is : (D)
1.4

Topic: Chemistry, Magnetic Effects of Current, NEET
What is the ratio of the diameter of the copper wires to the diameter of the iron wire, if all three wires, each 2.0 m long, are to have the same tension?

Options:
A 1:1
B 1:1.25
C 1:2
D 2:3

The correct answer is:
1:1.25

Solution:
Correct Option is : (B)
1:1.25

Topic: Chemistry, Mechanical Properties of Solids, NEET
What is the ratio of the electrostatic potential at the corner and the centre point of a charged conducting cube? (The potential is considered 0 at infinity)

Options:
A 2:1
B 4:1
C 1:2
D 1:1

The correct answer is:
1:1

Solution:
We know from the application of Gauss's law that a conductor is always equipotential. Therefore potential at centre and potential at one corner is the same.
â´ The ratio of potential is 1:1.

Topic: Physics, Electrostatics, NEET
What is the ratio of the mass density of neon to oxygen in the vessel containing two nonreactive gases, neon (monatomic) and oxygen (diatomic), if the ratio of their partial pressures is 3:2? Atomic mass of Ne = 20.2 u, molecular mass of O2 = 32.0 u

Options:
A 0.722
B 1.423
C 0.947
D 0.234

The correct answer is:
0.947

Solution:
Correct Option is : (C)
0.947

Topic: Chemistry, Kinetic Theory of Gases, NEET
What is the ratio of the maximum acceleration to the maximum velocity of a simple harmonic oscillator?

Options:
A ω
B -ω
C 1/ω
D -1/ω

The correct answer is:
ω

Solution:
Correct Option is : (A)
ω

Topic: Chemistry, Oscillations, NEET
What is the ratio of the number of molecules of neon to the number of molecules of oxygen in the vessel containing these two gases in a 3:2 partial pressure ratio? Atomic mass of Ne = 20.2 u, molecular mass of O2 = 32.0 u.

Options:
A 2:3
B 3:2
C 4:3
D 3:4

The correct answer is:
3:2

Solution:
Correct Option is : (B)
3:2

Topic: Chemistry, Kinetic Theory of Gases, NEET
What is the ratio of the Young's modulus of steel to that of copper when a steel wire of length 4.7 m and cross-sectional area 3.0 × 10^-5 m² stretches by the same amount as a copper wire of length 3.5 m and cross-sectional area of 4.0 × 10^-5 m² under a given load?

Options:
A 0.875
B 1.143
C 1.333
D 1.79

The correct answer is:
1.79

Solution:
Correct Option is : (D)
1.79

Topic: Chemistry, Mechanical Properties of Solids, NEET
What is the ratio of TT, Tt and tt genotypes in the F₁ generation?

Options:
A 1:1:1
B 1:2:1
C 1:1:2
D 1:3:1

The correct answer is:
1:2:1

Solution:
1/4th of random fertilizations lead to TT, 1/2 lead to Tt, and 1/4th to tt, resulting in a genotypic ratio of 1:2:1 in the F₁ generation.

Topic: Biology, Principles of Inheritance and Variation, NEET
What is the ratio (or fraction) of the molecular volume to the total volume occupied by water vapor at 100°C and 1 atm pressure, given that the density of water is 1000 kg/m³ and the density of water vapor under the specified conditions is 0.6 kg/m³?

Options:
A 0.6
B 0.0015
C 0.0006
D 1.5

The correct answer is:
0.0006

Solution:
Correct Option is : (C)
0.0006

Topic: Chemistry, Kinetic Theory of Gases, NEET
What is the raw material for creating Polyblend?

Options:
A Bitumen
B Plastic film waste
C Road waste
D None of the above

The correct answer is:
Plastic film waste

Solution:
The raw material for creating Polyblend is any plastic film waste.

Topic: Biology, Environmental Issues, NEET
What is the reaction between CH3Cl and hydroxide ion called?

Options:
A Nucleophilic substitution
B Nucleophilic addition
C Electrophilic substitution
D Electrophilic addition

The correct answer is:
Nucleophilic substitution

Solution:
The reaction between CH3Cl and hydroxide ion, which results in the substitution of the chloride ion with hydroxide ion, as a nucleophilic substitution reaction.

Topic: Chemistry, Haloalkanes and Haloarenes, NEET
What is the reaction centre in Photosystem I?

Options:
A Chlorophyll a
B Chlorophyll b
C Xanthophylls
D Carotenoids

The correct answer is:
Chlorophyll a

Solution:
In Photosystem I, the reaction centre is chlorophyll a, which has an absorption peak at 700 nm and is called P700.

Topic: Biology, Photosynthesis in Higher Plants, NEET
What is the reaction centre in Photosystem II?

Options:
A Chlorophyll a
B Chlorophyll b
C Xanthophylls
D Carotenoids

The correct answer is:
Chlorophyll a

Solution:
In Photosystem II, the reaction centre is chlorophyll a, which has absorption maxima at 680 nm and is called P680.

Topic: Biology, Photosynthesis in Higher Plants, NEET
What is the reaction in which alkenes react with water in the presence of an acid catalyst to form alcohols known as?

Options:
A Dehydration
B Hydrogenation
C Hydration
D Oxidation

The correct answer is:
Hydration

Solution:
The passage describes the reaction of alkenes with water in the presence of an acid catalyst as "hydration."

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
What is the reactivity of Grignard reagents?

Options:
A Low reactivity
B Moderate reactivity
C High reactivity
D No reactivity

The correct answer is:
High reactivity

Solution:
Grignard reagents are highly reactive.

Topic: Chemistry, Haloalkanes and Haloarenes, NEET
What is the reading of the scale when a block of mass M and density ρ is submerged in a vessel filled with water and suspended by a massless spring of spring constant k?

Options:
A Zero
B Mkg
C ρwkg
D ρwVg

The correct answer is:
ρwVg

Solution:
Correct Option is : (D)
ρwVg

Topic: Chemistry, Mechanical Properties of Fluids, NEET
What is the reagent used in the carbylamine test for primary amines?

Options:
A Chloroform and ethanolic sodium hydroxide
B Chloroform and ethanolic potassium hydroxide
C Benzene and concentrated sulfuric acid
D Ethanol and hydrochloric acid

The correct answer is:
Chloroform and ethanolic potassium hydroxide

Solution:
Chloroform and ethanolic potassium hydroxide are used as reagents in the carbylamine test.

Topic: Chemistry, Amines, NEET
What is the reagent used to reduce nitriles to corresponding imines in the Stephen reaction?

Options:
A Stannous chloride
B Hydrochloric acid
C Diisobutylaluminium hydride (DIBAL-H)
D Aldehyde

The correct answer is:
Stannous chloride

Solution:
Nitriles are reduced to imines with stannous chloride in the Stephen reaction.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What is the reality of bonds and compounds?

Options:
A Bonds are always purely ionic in reality.
B Bonds are always purely covalent in reality.
C No bond or compound is completely ionic or covalent.
D Bonds in compounds are either completely ionic or completely covalent.

The correct answer is:
No bond or compound is completely ionic or covalent.

Solution:
In reality, no bond or compound is completely ionic or covalent.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What is the rearranged form of the ideal gas equation in terms of density and molar mass?

Options:
A pV = nRT
B n/V = RT/p
C M = dRT/p
D V/n = RT/p

The correct answer is:
M = dRT/p

Solution:
The rearranged form of the ideal gas equation is M = dRT/p.

Topic: Chemistry, States of Matter, NEET
What is the reason behind such an order of boiling point shown by isomeric alkyl amines?

Options:
A Strength of Hydrogen bonding
B Molecular weight
C Branching
D None of these

The correct answer is:
Strength of Hydrogen bonding

Solution:
Correct Option is : 1
Strength of Hydrogen bonding

Topic: Chemistry, Amines, NEET
What is the reason behind the cattle egrets following grazing cattle?

Options:
A To harm the cattle
B To benefit from the cattle
C To compete with the cattle
D To have a neutral interaction with the cattle

The correct answer is:
To benefit from the cattle

Solution:
The cattle egrets follow grazing cattle because they benefit from the cattle by foraging close to where the cattle are grazing and stirring up insects from the vegetation.

Topic: Biology, Organisms and Populations, NEET
What is the reason behind the decrease in the reactance provided by a capacitor to an alternating current with increasing frequency?

Options:
A The internal resistance of the capacitor decreases at higher frequencies.
B Capacitance increases with the increase in frequency.
C The faster voltage changes across the capacitor plates increase the current flow.
D The capacitor allows direct current to flow more easily with increasing frequency.

The correct answer is:
The faster voltage changes across the capacitor plates increase the current flow.

Solution:
Correct Option is : (C)
The faster voltage changes across the capacitor plates increase the current flow.

Topic: Chemistry, Alternating Current, NEET
What is the reason behind the disturbing of incoming and reflected signals when a low flying aircraft passes overhead, which results in slight shaking of the picture on our TV screen?

Options:
A interference
B diffraction
C polarisation of direct signal
D both (b) and (c)

The correct answer is:
interference

Solution:
A low flying aircraft reflects the T.V signal.
The sight shaking on the TV screen may be due to
interference between the direct signal and the reflected
signal.

Topic: Physics, Wave Optics, NEET
What is the reason behind the fluidity of liquids and gases?

Options:
A Fixed positions of molecules
B Oscillation of molecules
C Free movement of molecules
D Rigidity of molecules

The correct answer is:
Free movement of molecules

Solution:
The fluidity in liquids and gases is due to the fact that the molecules are free to move about, as stated in the paragraph.

Topic: Chemistry, Solid State, NEET
What is the reason behind the high melting points of transition metals?

Options:
A Greater involvement of ns electrons
B Greater involvement of (n-1)d electrons
C Strong interatomic repulsion
D Low number of valence electrons

The correct answer is:
Greater involvement of (n-1)d electrons

Solution:
The the high melting points of transition metals are attributed to the involvement of a greater number of electrons from (n-1)d in addition to the ns electrons in the interatomic metallic bonding.

Topic: Chemistry, d and f Block Elements, NEET
What is the reason behind the increase in pressure inside the box when water is introduced?

Options:
A Decrease in temperature
B Addition of water molecules to the gaseous phase
C Removal of water molecules from the gaseous phase
D Increase in volume

The correct answer is:
Addition of water molecules to the gaseous phase

Solution:
As water evaporates, the pressure inside the box increases due to the addition of water molecules into the gaseous phase.

Topic: Chemistry, Chemical Equilibrium, NEET
What is the reason behind the stability of the +4 oxidation state and the decreasing stability of the +6 oxidation state down the group?

Options:
A Increasing atomic size
B The inert pair effect
C Electronegativity
D Metallic bonding

The correct answer is:
The inert pair effect

Solution:
The paragraph mentions that the stability of the +4 oxidation state increases due to the inert pair effect, but the stability of the +6 oxidation state decreases down the group.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What is the reason behind the trend of increasing values of second ionization enthalpy as the effective nuclear charge increases?

Options:
A Decrease in the number of d electrons
B Increase in the number of s electrons
C Loss of exchange energy
D Increase in the number of p electrons

The correct answer is:
Loss of exchange energy

Solution:
The trend of increasing values of second ionization enthalpy as the effective nuclear charge increases is due to the loss of exchange energy.

Topic: Chemistry, d and f Block Elements, NEET
What is the reason behind the trend of less negative Eo values for M2+/M?

Options:
A Increase in the sum of the first and second ionization energies
B Decrease in the sum of the first and second ionization energies
C Increase in atomic size
D Decrease in atomic size

The correct answer is:
Increase in the sum of the first and second ionization energies

Solution:
The trend of less negative Eo values for M2+/M is related to the increase in the sum of the first and second ionization enthalpies.

Topic: Chemistry, d and f Block Elements, NEET
What is the reason for a liquid rising or falling in a thin capillary as soon as the capillary touches the surface of the liquid?

Options:
A Capillary action
B Surface tension
C High density
D Lack of adhesion

The correct answer is:
Surface tension

Solution:
The rising or falling of a liquid in a thin capillary when it touches the surface of the liquid is due to surface tension.

Topic: Chemistry, States of Matter, NEET
What is the reason for bollworms not attracting to cotton varieties?

Options:
A Nectar-rich flowers
B Hairy leaves
C Solid stems
D Smooth leaves and nectar-less flowers

The correct answer is:
Smooth leaves and nectar-less flowers

Solution:
Smooth leaved and nectar-less cotton varieties do not attract bollworms.

Topic: Biology, Strategies for Enhancement in Food Production, NEET
What is the reason for carefully matching the blood of a donor with the blood of a recipient before blood transfusion?

Options:
A To avoid blood clumping
B To increase the amount of blood transfused
C To increase the speed of blood transfusion
D To ensure that the blood transfused is of the same type as the recipient

The correct answer is:
To avoid blood clumping

Solution:
During blood transfusion, the blood of a donor has to be carefully matched with the blood of a recipient before any blood transfusion to avoid severe problems of clumping (destruction of RBC).

Topic: Biology, Body Fluids and Circulation, NEET
What is the reason for Cu's inability to liberate H2 from acids?

Options:
A Its positive Eo value
B Its negative Eo value
C Its high ionization enthalpy
D Its low ionization enthalpy

The correct answer is:
Its positive Eo value

Solution:
The positive Eo value of Cu accounts for its inability to liberate H2 from acids.

Topic: Chemistry, d and f Block Elements, NEET
What is the reason for electrons acquiring a steady average drift speed in an electric field inside a conductor despite experiencing a force that should cause acceleration?

Options:
A Electrons are not affected by the electric field.
B Electrons reach a maximum speed and stop accelerating.
C Electrons collide with other particles, balancing the force.
D Electrons move at a constant speed in the absence of a force.

The correct answer is:
Electrons collide with other particles, balancing the force.

Solution:
Correct Option is : (C)
Electrons collide with other particles, balancing the force.

Topic: Chemistry, Current Electricity, NEET
What is the reason for increased sensitivity to allergens in children living in metro cities of India?

Options:
A Due to exposure to harmful pollutants
B Due to genetic predisposition
C Due to the protected environment provided early in life
D Due to low levels of physical activity

The correct answer is:
Due to the protected environment provided early in life

Solution:
This could be because of the protected environment provided early in life.

Topic: Biology, Human Health and Diseases, NEET
What is the reason for insect resistance in some host crop plants?

Options:
A Over-fertilization
B Exposure to pesticides
C Morphological, biochemical or physiological characteristics
D Lack of water

The correct answer is:
Morphological, biochemical or physiological characteristics

Solution:
Insect resistance in host crop plants may be due to morphological, biochemical or physiological characteristics.

Topic: Biology, Strategies for Enhancement in Food Production, NEET