datavorous/entrance-exam-dataset huggingface dataset:
What is the example of a reaction that is very slow?

Options:
A Inversion of cane sugar
B Hydrolysis of starch
C Precipitation of silver chloride
D Rusting of iron

The correct answer is:
Rusting of iron

Solution:
Rusting of iron in the presence of air and moisture is a very slow reaction.

Topic: Chemistry, Chemical Kinetics, NEET
What is the example of incomplete dominance?

Options:
A Inheritance of leaf shape in peas
B Inheritance of fruit color in tomatoes
C Inheritance of flower color in dog flowers
D Inheritance of seed texture in corn

The correct answer is:
Inheritance of flower color in dog flowers

Solution:
An example of incomplete dominance in the inheritance of flower color in dog flowers, where the F₁ generation is pink (a mixture of the red and white flower colors of the parent plants).

Topic: Biology, Principles of Inheritance and Variation, NEET
What is the example provided for negative resonance effect (-R effect) in the paragraph?

Options:
A Halogen
B OH
C COOH
D CN

The correct answer is:
COOH

Solution:
COOH is an example of negative resonance effect (-R effect).

Topic: Chemistry, General Organic Chemistry, NEET
What is the exceptional property of graphite, which belongs to the same class of crystals?

Options:
A Graphite is a good conductor of electricity.
B Graphite is transparent.
C Graphite has a low melting point.
D Graphite is extremely hard.

The correct answer is:
Graphite is a good conductor of electricity.

Solution:
Graphite is a good conductor of electricity, which is an exceptional property within the same class of crystals, as stated in the paragraph.

Topic: Chemistry, Solid State, NEET
What is the excretory product from kidneys of reptiles?

Options:
A Urea
B Uric acid
C Ammonia
D Nitrogen

The correct answer is:
Uric acid

Solution:
The excretory product from kidneys of reptiles is uric acid.

Topic: Biology, Excretory Products and their Elimination, NEET
What is the excretory structure in amoeba?

Options:
A Contractile vacuole
B Body Surface
C Nephridia
D Malphigian body

The correct answer is:
Contractile vacuole

Solution:
The excretory structure in amoeba is the contractile vacuole.

Topic: Biology, Excretory Products and their Elimination, NEET
What is the excretory system in humans comprised of?

Options:
A One pair of kidneys and a urethra
B One pair of kidneys, a pair of ureters, a urinary bladder and a urethra
C One pair of kidneys and a urinary bladder
D One pair of kidneys and a pair of ureters

The correct answer is:
One pair of kidneys, a pair of ureters, a urinary bladder and a urethra

Solution:
The excretory system in humans consists of one pair of kidneys, a pair of ureters, a urinary bladder and a urethra.

Topic: Biology, Excretory Products and their Elimination, NEET
What is the exocrine portion of the pancreas responsible for?

Options:
A Producing insulin and glucagon
B Secreting hormones
C Secreting an alkaline pancreatic juice containing enzymes
D Regulating blood sugar levels

The correct answer is:
Secreting an alkaline pancreatic juice containing enzymes

Solution:
The exocrine portion of the pancreas is responsible for secreting an alkaline pancreatic juice containing enzymes that helps to digest food in the duodenum. These enzymes include trypsin and lipases which break down proteins and fats respectively.

Topic: Biology, Digestion and Absorption, NEET
What is the expected bond angle in an ozone (O3) molecule?

Options:
A 90 degrees
B 105 degrees
C 117 degrees
D 180 degrees

The correct answer is:
117 degrees

Solution:
The expected bond angle in an ozone (O3) molecule is approximately 117 degrees, making it a bent or angular molecule.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What is the expected effect of resonance on the acidity of carboxylic acids?

Options:
A It increases acidity
B It decreases acidity
C It has no effect on acidity
D It depends on the specific resonance structure

The correct answer is:
It decreases acidity

Solution:
The paragraph mentions that there is an expectation of decreased acidity due to the resonance effect, which is contrary to the actual increase observed.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What is the expected HNH angle in an NH3 molecule based on simple atomic orbital overlap?

Options:
A 60°
B 90°
C 107°
D 109.5°

The correct answer is:
90°

Solution:
Based on simple atomic orbital overlap, the expected HNH angle in an NH3 molecule would be 90°.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What is the expected order of ionization enthalpies for group 13 elements?

Options:
A ∆iH1<∆iH2<∆iH3
B ∆iH1>∆iH2>∆iH3
C ∆iH1=∆iH2=∆iH3
D ∆iH1 and ∆iH2 are equal, but ∆iH3 is different

The correct answer is:
∆iH1<∆iH2<∆iH3

Solution:
The expected order of ionization enthalpies is ∆iH1<∆iH2<∆iH3.

Topic: Chemistry, p Block Elements (Group 13 & 14), NEET
What is the expected order of successive ionization enthalpies for Group 15 elements?

Options:
A ∆iH1 < ∆iH2 < ∆iH3
B ∆iH1 > ∆iH2 > ∆iH3
C ∆iH1 = ∆iH2 = ∆iH3
D ∆iH1 < ∆iH2 > ∆iH3

The correct answer is:
∆iH1 < ∆iH2 < ∆iH3

Solution:
The paragraph states that the expected order of successive ionization enthalpies is ∆iH1 < ∆iH2 < ∆iH3.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What is the expected percentage of $\mathrm{F}_2$ progeny with yellow and inflated pod in dihybrid cross experiment involving pea plants with green coloured, inflated pod and yellow coloured constricted pod?

Options:
A $100 \%$
B $56.25 \%$
C $18.75 \%$
D $9 \%$

The correct answer is:
$18.75 \%$

Solution:

Topic: Biology, Principles of Inheritance and Variation, NEET, NEET 2022 (Phase 2)
What is the expected shape of a pV vs. p graph for gases at constant temperature?

Options:
A A straight line parallel to the y-axis
B A straight line parallel to the x-axis
C A curve
D A point

The correct answer is:
A straight line parallel to the x-axis

Solution:
At constant temperature, pV will be constant (Boyle's law), and therefore, the pV vs. p graph for gases will be a straight line parallel to the x-axis.

Topic: Chemistry, States of Matter, NEET
What is the expenditure of energy required to increase the surface area of a liquid by one unit defined as?

Options:
A Viscosity
B Density
C Surface tension
D Vapor pressure

The correct answer is:
Surface tension

Solution:
The energy required to increase the surface area of a liquid by one unit is defined as surface tension.

Topic: Chemistry, States of Matter, NEET
What is the experimental evidence in support of the idea that electronic energies in an atom are quantized?

Options:
A The behavior of electrons in a magnetic field.
B The continuous spectrum of emitted light.
C The observation of discrete line spectra in emission or absorption.
D The photoelectric effect.

The correct answer is:
The observation of discrete line spectra in emission or absorption.

Solution:
Correct Option is : (C)
The observation of discrete line spectra in emission or absorption.

Topic: Chemistry, Structure of Atom, NEET
What is the explanation for the effect on the boiling point of water when 1 mol of NaCl is added to 1 litre of water, and when 1 mol of methyl alcohol is added to one litre of water?

Options:
A Addition of NaCl decreases the boiling point due to increased vapor pressure.
B Addition of NaCl increases the boiling point due to decreased vapor pressure.
C Addition of methyl alcohol increases the boiling point due to increased vapor pressure.
D Addition of methyl alcohol decreases the boiling point due to decreased vapor pressure.

The correct answer is:
Addition of NaCl increases the boiling point due to decreased vapor pressure.

Solution:
Correct Option is : (B)
Addition of NaCl increases the boiling point due to decreased vapor pressure.

Topic: Chemistry, Solutions, NEET
What is the explanation for the great compressibility of gases?

Options:
A The large number of particles in gases
B The negligible actual volume of gas molecules
C The small size of gas molecules
D The close proximity of gas molecules

The correct answer is:
The negligible actual volume of gas molecules

Solution:
Gases are highly compressible because the actual volume of gas molecules is negligible compared to the empty space between them.

Topic: Chemistry, States of Matter, NEET
What is the explanation for the observation that the proportion of white-winged moths to dark-winged moths changed over time?

Options:
A The white-winged moths were better adapted to survive before industrialization, while the dark-winged moths were better adapted to survive after industrialization
B The dark-winged moths evolved to have a competitive advantage over the white:winged moths
C The white-winged moths became extinct while the dark-winged moths thrived
D The population of moths was affected by changes in their natural habitat

The correct answer is:
The white-winged moths were better adapted to survive before industrialization, while the dark-winged moths were better adapted to survive after industrialization

Solution:
During post:industrialisation period, the tree trunks became dark due to industrial

Topic: Biology, Evolution, NEET
What is the explanation for the sudden upward movement of a metal ring placed on top of a fixed solenoid, considering the current is switched on?

Options:
A The sudden increase in the flux passing through the ring causes the ring to move away from the solenoid, in accordance with Lenz's law.
B The sudden decrease in the flux passing through the ring causes the ring to move towards the solenoid, following the principles of electromagnetic induction.
C The sudden decrease in the current flowing through the solenoid creates a magnetic field that attracts the metal ring upwards.
D The sudden increase in the current flowing through the solenoid generates a magnetic field that repels the ring, causing it to move upward.

The correct answer is:
The sudden increase in the flux passing through the ring causes the ring to move away from the solenoid, in accordance with Lenz's law.

Solution:
Correct Option is : (A)
The sudden increase in the flux passing through the ring causes the ring to move away from the solenoid, in accordance with Lenz's law.

Topic: Chemistry, Electromagnetic Induction, NEET
What is the exponent in the scientific notation for the number 232.508?

Options:
A 0
B 1
C 2
D 3

The correct answer is:
2

Solution:
The exponent (2) in the scientific notation for 232.508 is the same as the number of places the decimal was moved to the left.

Topic: Chemistry, Some Basic Concepts of Chemistry, NEET
What is the exponent of the concentration of O2 in the rate equation for this reaction?

Options:
A 0
B 1
C 2
D 3

The correct answer is:
1

Solution:
The rate depends on the concentration of O2 to the first power.

Topic: Chemistry, Chemical Kinetics, NEET
What is the expression for the displacement of a 2 kg mass attached to a spring with a spring constant of 50 Nm^(-1), when pulled to a distance of 5 cm from its equilibrium position at x = 0 on a horizontal frictionless surface from rest at t = 0, at any time t?

Options:
A 5t
B 5 cos 5t
C 5 sin 5t
D 5 cos t

The correct answer is:
5 sin 5t

Solution:
Correct Option is : (C)
5 sin 5t

Topic: Chemistry, Oscillations, NEET
What is the expression for the initial horizontal velocity (vo) of a bob with mass 'm' suspended by a light string of length 'L', which completes a semi-circular trajectory in the vertical plane with the string becoming slack only at the topmost point, C?

Options:
A vo = √(5gL)
B vo = √(2gL)
C vo = √(3gL)
D vo = √(4gL)

The correct answer is:
vo = √(5gL)

Solution:
Correct Option is : (A)
vo = √(5gL)

Topic: Chemistry, Work Power Energy, NEET
What is the expression for the minimum speed v of the projectile (mass m) when it is projected from the surface of the sphere of mass M directly towards the center of the second sphere (mass 4M) with a center-to-center separation of 6R?

Options:
A $v=~{{\left( \frac{3GM}{5R} \right)}^{1/2}}$
B $v=~{{\left( \frac{3GM}{4R} \right)}^{1/2}}$
C $v=~{{\left( \frac{4GM}{3R} \right)}^{1/2}}$
D $v=~{{\left( \frac{5GM}{4R} \right)}^{1/2}}$

The correct answer is:
$v=~{{\left( \frac{3GM}{5R} \right)}^{1/2}}$

Solution:
Correct Option is : (A)
$v=~{{\left( \frac{3GM}{5R} \right)}^{1/2}}$

Topic: Chemistry, Gravitation, NEET
What is the expression for the Nernst equation in the cell reaction Ni(s) + 2Ag+(aq) → Ni2+(aq) + 2Ag(s)?

Options:
A E(cell) = Eo(cell) - RT/2F ln [Ni2+] / [Ag+]2
B E(cell) = Eo(cell) - RT/2F ln [Ag+] / [Ni2+]2
C E(cell) = Eo(cell) - RT/2F ln [Ni2+] / [Ag+]
D E(cell) = Eo(cell) - RT/2F ln [Ag+] / [Ni2+]

The correct answer is:
E(cell) = Eo(cell) - RT/2F ln [Ni2+] / [Ag+]2

Solution:
The expression for the Nernst equation in the cell reaction Ni(s) + 2Ag+(aq) → Ni2+(aq) + 2Ag(s) is E(cell) = Eo(cell) - RT/2F ln [Ni2+] / [Ag+]2.

Topic: Chemistry, Electrochemistry, NEET
What is the expression needed to calculate time required for completion of zero order reaction?

Options:
A t = ([R]0/ 3k)
B t = ([R]0/ 2k)
C t = ([R]0/ k)
D t = [R]0

The correct answer is:
t = ([R]0/ k)

Solution:
Correct Option is : (C)
t = ([R]0/ k)

Topic: Chemistry, Chemical Kinetics, NEET
What is the expression that relates the stopping distance (S) of a vehicle to its initial velocity (${{v}_{o}}$) and deceleration (a) caused by braking?

Options:
A $s=\frac{{{v}_{0}}}{a}$
B $s=\frac{{{v}_{0}}^{2}}{a}$
C $s=\frac{{{v}_{0}}}{{{a}^{2}}}$
D $s={{v}_{0}}+a$

The correct answer is:
$s=\frac{{{v}_{0}}^{2}}{a}$

Solution:
Correct Option is : (B)
$s=\frac{{{v}_{0}}^{2}}{a}$

Topic: Chemistry, Motion In One Dimension, NEET
What is the extension in the length of a steel wire of length 10 m and radius 0.1 cm, with a mass of 25 kg hanging from its free end? (Assume lateral strains << longitudinal strains and the density of steel is 7860 kg m–3with Young’s modulus Y=2×1011Nm–2.)

Options:
A 2×10-3m
B 3×10-3m
C 4×10-3m
D 5×10-3m

The correct answer is:
4×10-3m

Solution:
Correct Option is : (C)
4×10-3m

Topic: Chemistry, Mechanical Properties of Solids, NEET
What is the extent of ionization for acetic acid in water?

Options:
A Completely ionized
B Partially ionized (< 5%)
C Highly ionized
D Not ionized at all

The correct answer is:
Partially ionized (< 5%)

Solution:
The paragraph states that acetic acid is only partially ionized, and the extent is less than 5%.

Topic: Chemistry, Ionic Equilibrium, NEET
What is the external ear in a frog?

Options:
A The tympanum
B The nasal epithelium
C The taste buds
D Absent

The correct answer is:
Absent

Solution:
External ear is absent in frogs and only tympanum can be seen externally. The ear is an organ of hearing as well as balancing (equilibrium).

Topic: Biology, Structural Organisation in Animals, NEET
What is the F₁ generation?

Options:
A The first hybrid generation
B The second hybrid generation
C The parental generation
D The offspring of the F₂ generation

The correct answer is:
The first hybrid generation

Solution:
The F₁ generation is the first hybrid generation obtained by crossing two true:breeding parents.

Topic: Biology, Principles of Inheritance and Variation, NEET
What is the F₂ ratio expected when two genes are independent?

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

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

Solution:
When two genes are independent, the expected F₂ ratio is 9:3:3:1, as observed by Mendel in his dihybrid crosses in peas.

Topic: Biology, Principles of Inheritance and Variation, NEET
What is the factor responsible for the lanthanoid contraction?

Options:
A The imperfect shielding of one 4f electron by another.
B The increase in atomic mass.
C The filling of 5d orbitals before 4f orbitals.
D The decrease in metallic radius.

The correct answer is:
The imperfect shielding of one 4f electron by another.

Solution:
The factor responsible for the lanthanoid contraction is the imperfect shielding of one 4f electron by another.

Topic: Chemistry, d and f Block Elements, NEET
What is the factor responsible for the lanthanoid contraction?

Options:
A The imperfect shielding of one 4f electron by another.
B The increase in atomic mass.
C The filling of 5d orbitals before 4f orbitals.
D The decrease in metallic radius.

The correct answer is:
The imperfect shielding of one 4f electron by another.

Solution:
The lanthanoid contraction is caused by the imperfect shielding of one 4f electron by another.

Topic: Chemistry, d and f Block Elements, NEET
What is the factor that causes ionization enthalpy to be unusually high for Cr and Cu?

Options:
A Presence of more s electrons
B Presence of more d electrons
C Presence of more p electrons
D Presence of more f electrons

The correct answer is:
Presence of more d electrons

Solution:
The ionization enthalpy is unusually high for Cr and Cu due to the presence of more d electrons.

Topic: Chemistry, d and f Block Elements, NEET
What is the fate of a piece of DNA carrying only gene of interest which is transferred into an alien organism?
A. The piece of DNA would be able to multiply itself independently in the progeny cells of the organism.
B. It may get integrated into the genome of the recipient.
C. It may multiply and be inherited along with the host DNA.
D. The alien piece of DNA is not an integral part of chromosome.
E. It shows ability to replicate.
Choose the correct answer from the options given below:

Options:
A D and E only
B B and C only
C A and E only
D A and B only

The correct answer is:
B and C only

Solution:
Correct answer is option (2) because
The fate of a piece of DNA carrying only gene of interest which is transferred into an alien organism are:
(B) It may get integrated into the genome of the recipient
(C) It may multiply and be inherited along with the host DNA
$\Rightarrow$ This piece of DNA would not be able to multiply itself in the progeny cells of the organism but when gets integrated into the genome of the recipient, it may multiply and be inherited along with the host DNA.

Topic: Biology, Biotechnology - Principles and Processes, NEET, NEET 2024
What is the fate of glucose in the complete oxidation process?

Options:
A Conversion to lactic acid
B Conversion to alcoholic acid
C Conversion to CO₂ and H₂O
D Conversion to pyruvate

The correct answer is:
Conversion to CO₂ and H₂O

Solution:
For the complete oxidation of glucose to CO₂ and H₂O, organisms adopt Krebs’ cycle which is also called as aerobic respiration.

Topic: Biology, Respiration in Plants, NEET
What is the fate of pyruvate in eukaryotic organisms in the presence of oxygen?

Options:
A Alcohol fermentation
B Lactic acid fermentation
C Aerobic respiration
D Photosynthesis

The correct answer is:
Aerobic respiration

Solution:
In eukaryotic organisms, pyruvate is converted into acetyl CoA and enters the tricarboxylic acid pathway or Krebs’ cycle through aerobic respiration in the presence of oxygen.

Topic: Biology, Respiration in Plants, NEET
What is the fate of pyruvate in prokaryotes and unicellular eukaryotes?

Options:
A Aerobic respiration
B Fermentation
C Depends on the cellular need
D None of the above

The correct answer is:
Fermentation

Solution:
Fermentation takes place under anaerobic conditions in many prokaryotes and unicellular eukaryotes.

Topic: Biology, Respiration in Plants, NEET
What is the fate of pyruvic acid in animal cells?

Options:
A Conversion to CO₂ and ethanol
B Conversion to lactic acid
C Aerobic respiration
D Krebs' cycle

The correct answer is:
Conversion to lactic acid

Solution:
In animal cells like muscles during exercise, when oxygen is inadequate for cellular respiration, pyruvic acid is reduced to lactic acid by lactate dehydrogenase.

Topic: Biology, Respiration in Plants, NEET
What is the fate of pyruvic acid in bacteria?

Options:
A Complete oxidation
B Aerobic respiration
C Conversion to lactic acid
D Conversion to CO₂ and ethanol

The correct answer is:
Conversion to lactic acid

Solution:
Some bacteria produce lactic acid from pyruvic acid, which is the fate of pyruvic acid in these organisms.

Topic: Biology, Respiration in Plants, NEET
What is the fate of the energy produced by the complete combustion of glucose?

Options:
A It is used to synthesize ATP
B It is used directly
C It is given out as heat
D It is stored in the form of mechanical support

The correct answer is:
It is given out as heat

Solution:
Most of the energy produced by the complete combustion of glucose is given out as heat.

Topic: Biology, Respiration in Plants, NEET
What is the fate of the male gametes discharged in the synergid?

Options:
A One fuses with the egg, other(s) degenerate(s) in the synergid.
B All fuse with the egg.
C One fuses with the egg, other(s) fuse(s) with synergid nucleus.
D One fuses with the egg and other fuses with central cell nuclei.

The correct answer is:
One fuses with the egg and other fuses with central cell nuclei.

Solution:
After a pollen grain germinates on the surface of the stigma, it forms a pollen tube that grows through the style and is guided through the micropyle (a minute opening at one end of the ovule). The pollen tube grows toward and into one of the synergid cells, which begins to degenerate as the pollen tube enters it (or shortly before). The pollen tube then ceases growth, ruptures, and releases its two sperm cells, which migrate to the egg and central cell, fertilization of which gives rise to the embryo and endosperm, respectively.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET, NEET 2019 (All India)
What is the fate of the methyl group in the haloform reaction of methyl ketones?

Options:
A It is converted to an alkane
B It is converted to a carboxylic acid
C It is converted to a haloform
D It is unaffected by the reaction

The correct answer is:
It is converted to a haloform

Solution:
In the haloform reaction of methyl ketones, the methyl group is converted to a haloform.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What is the fate of the zygote that forms after the fusion of one of the male gametes with the egg cell in the synergid?

Options:
A Formation of a triploid primary endosperm nucleus
B Development into the endosperm
C Development into an embryo
D None of the above

The correct answer is:
Development into an embryo

Solution:
The zygote that forms after the fusion of the male gamete with the egg cell in the synergid develops into an embryo.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET
What is the fate of workers during e-waste recycling in developing countries?

Options:
A Exposed to toxic substances
B Safe working conditions
C Recycling in environmentally friendly manner
D Safe disposal in landfills

The correct answer is:
Exposed to toxic substances

Solution:
In developing countries, e-waste recycling often involves manual participation, exposing workers to toxic substances present in e-waste.

Topic: Biology, Environmental Issues, NEET
What is the fate of yeast when the concentration of alcohol reaches about 13 per cent?

Options:
A They grow stronger
B They poison themselves to death
C They produce more acid
D They produce more carbon dioxide

The correct answer is:
They poison themselves to death

Solution:
Yeasts poison themselves to death when the concentration of alcohol reaches about 13 per cent.

Topic: Biology, Respiration in Plants, NEET
What is the favored substrate for respiration?

Options:
A Fatty acids
B Proteins
C Glucose
D Glycerol

The correct answer is:
Glucose

Solution:
Glucose is the favored substrate for respiration and all carbohydrates are usually first converted into glucose before they are used for respiration.

Topic: Biology, Respiration in Plants, NEET
What is the favored substrate for respiration?

Options:
A Fats
B Proteins
C Glucose
D Carbohydrates

The correct answer is:
Glucose

Solution:
Glucose is the favored substrate for respiration as it is the first substrate to be converted into glucose before being used for respiration.

Topic: Biology, Respiration in Plants, NEET