datavorous/entrance-exam-dataset huggingface dataset:
What determines whether two bodies at different temperatures, T1 and T2, brought in thermal contact, settle to the mean temperature $\frac{{{T}_{1}}+{{T}_{2}}}{2}$?

Options:
A The initial temperature difference
B The thermal capacities of both bodies
C The type of material the bodies are made of
D The amount of heat energy transferred

The correct answer is:
The thermal capacities of both bodies

Solution:
Correct Option is : (B)
The thermal capacities of both bodies

Topic: Chemistry, Thermodynamics, NEET
What determines which of the two (CO₂ or O₂) will bind to RuBisCO?

Options:
A The affinity of RuBisCO for CO₂
B The biological function of photorespiration
C The relative concentration of O₂ and CO₂
D The productivity and yields of C₄ plants

The correct answer is:
The relative concentration of O₂ and CO₂

Solution:
The relative concentration of O₂ and CO₂ determines which of the two will bind to RuBisCO, as the binding is competitive.

Topic: Biology, Photosynthesis in Higher Plants, NEET
What development ushered organic chemistry into its modern shape?

Options:
A The discovery of electricity
B The invention of the microscope
C The development of the electronic theory of covalent bonding
D The introduction of the periodic table

The correct answer is:
The development of the electronic theory of covalent bonding

Solution:
The development of the electronic theory of covalent bonding ushered organic chemistry into its modern shape.

Topic: Chemistry, General Organic Chemistry, NEET
What dictates the type of animals that can be supported in any area?

Options:
A pH, mineral composition and topography
B Topography, soil composition and grain size
C Type of vegetation
D Sediments characteristics

The correct answer is:
Type of vegetation

Solution:
On different places of Earth, nature and properties of soil are also different. These properties depend on climate, weathering process etc. Different characteristics of soil like soil composition, grain size and aggregation determine the percolation and water holding capacity of soils. These characteristics along with parameters such as pH, mineral composition and topography determine to a large extent the vegetation in any area and this vegetation dictates the type of animals that can be supported in a particular area.

Topic: Biology, Organisms and Populations, NEET
What did Alfonso Corti study before he turned his attention to the mammalian auditory system?

Options:
A The nervous system of insects
B The cardiovascular systems of reptiles
C The reproductive systems of mammals
D The digestive system of birds

The correct answer is:
The cardiovascular systems of reptiles

Solution:
Alfonso Corti began his scientific career studying the cardiovascular systems of reptiles before turning his attention to the mammalian auditory system.

Topic: Biology, Digestion and Absorption, NEET
What did Antoine Lavoisier conclude from his experimental studies of combustion reactions?

Options:
A Matter can be created but not destroyed
B There is a net change in mass during chemical changes
C Matter can neither be created nor destroyed
D Mass changes in all physical changes but not in chemical changes

The correct answer is:
Matter can neither be created nor destroyed

Solution:
Antoine Lavoisier concluded that matter can neither be created nor destroyed based on his studies of combustion reactions.

Topic: Chemistry, Some Basic Concepts of Chemistry, NEET
What did Australopithecines probably eat?

Options:
A Meat
B Fruit
C Both Meat and Fruit
D None of the above

The correct answer is:
Fruit

Solution:
Evidence shows they hunted with stone weapons but essentially ate fruit.

Topic: Biology, Evolution, NEET
What did Avogadro's work in 1811 contribute to regarding Gay Lussac's law?

Options:
A It explained the law of multiple proportions.
B It disproved Gay Lussac's law.
C It explained Gay Lussac's law.
D It had no impact on Gay Lussac's law.

The correct answer is:
It explained Gay Lussac's law.

Solution:
The law of definite proportions by volume, discovered by Gay Lussac, was explained properly by the work of Avogadro in 1811.

Topic: Chemistry, Some Basic Concepts of Chemistry, NEET
What did Charles Darwin and his son Francis Darwin observe about the coleoptiles of canary grass?

Options:
A They observed that the coleoptiles respond to unilateral illumination by growing away from the light source.
B They observed that the coleoptiles respond to bilateral illumination by growing towards the light source.
C They observed that the coleoptiles responded to unilateral illumination by growing towards the light source.
D They observed that the coleoptiles responded to bilateral illumination by growing away from the light source.

The correct answer is:
They observed that the coleoptiles responded to unilateral illumination by growing towards the light source.

Solution:
Charles Darwin and his son Francis Darwin observed that the coleoptiles of canary grass responded to unilateral illumination by growing towards the light source (phototropism).

Topic: Biology, Plant - Growth and Development, NEET
What did Charles Darwin conclude based on observations made during a sea voyage in the H.M.S. Beagle?

Options:
A That existing living forms share similarities to varying degrees not only among themselves but also with life forms that existed millions of years ago
B That there had been extinctions of different life forms in the years gone by
C That there has been gradual evolution of life forms
D All of the above

The correct answer is:
All of the above

Solution:
Based on observations made during a sea voyage in the H.M.S. Charles Darwin concluded that existing living forms share similarities to varying degrees not only among themselves but also with life forms that existed millions of years ago. There have been extinctions of different life forms in the years gone by, and there has been gradual evolution of life forms.

Topic: Biology, Evolution, NEET
What did Darwin observe on the Galapagos Islands that led him to conclude that different species had evolved on the island?

Options:
A A diversity of creatures, including many varieties of finches with different beak shapes
B A lack of predators on the island
C A high rate of genetic mutation in the island's inhabitants
D A large number of marsupials

The correct answer is:
A diversity of creatures, including many varieties of finches with different beak shapes

Solution:
Darwin observed a diversity of creatures on the Galapagos Islands, including many varieties of finches with different beak shapes. He realized that these varieties had evolved on the island itself, leading him to conclude that different species had evolved on the islanD)

Topic: Biology, Evolution, NEET
What did David Tilman's experiments conclude about the relationship between species richness and ecosystem health?

Options:
A Plots with more species showed less year:to:year variation in total biomass
B Increased diversity decreased productivity
C There is no relationship between species richness and ecosystem health
D The relationship between species richness and ecosystem health is not understood

The correct answer is:
Plots with more species showed less year:to:year variation in total biomass

Solution:
Tilman's experiments showed that plots with more species showed less year:to:year variation in total biomass and that increased diversity contributed to higher productivity.

Topic: Biology, Biodiversity and its Conservation, NEET
What did de Broglie analogize to propose the relation between wavelength (λ) and momentum (p) of a material particle?

Options:
A The behavior of photons
B The behavior of electrons
C The behavior of atoms
D The behavior of protons

The correct answer is:
The behavior of photons

Solution:
de Broglie, from the analogy with the behavior of photons, gave the relation between wavelength (λ) and momentum (p) of a material particle.

Topic: Chemistry, Structure of Atom, NEET
What did early Greek thinkers believe about the origin of life?

Options:
A That it came from outside the planet
B That it came from decaying and rotting matter
C That it came from units of life called spores
D That it was created by a higher power

The correct answer is:
That it came from units of life called spores

Solution:
Early Greek thinkers thought units of life called spores were transferred to different planets including earth.

Topic: Biology, Evolution, NEET
What did Erwin Schrödinger's equation incorporate?

Options:
A The laws of classical mechanics
B Wave-particle duality of matter as proposed by de Broglie
C The principles of general relativity
D The principles of thermodynamics

The correct answer is:
Wave-particle duality of matter as proposed by de Broglie

Solution:
Erwin Schrödinger's equation incorporated the wave-particle duality of matter as proposed by de Broglie .

Topic: Chemistry, Structure of Atom, NEET
What did F. Wohler synthesize to reject the notion of a 'vital force' being responsible for organic compound formation?

Options:
A DNA
B Urea
C Methane
D Acetic acid

The correct answer is:
Urea

Solution:
F. Wohler synthesized urea to reject the notion of a 'vital force' being responsible for organic compound formation.

Topic: Chemistry, General Organic Chemistry, NEET
What did Gay Lussac observe about the behavior of gases in chemical reactions?

Options:
A They combine in complex ratios by volume.
B They combine in a simple ratio by mass.
C They combine in a simple ratio by volume.
D They do not combine in chemical reactions.

The correct answer is:
They combine in a simple ratio by volume.

Solution:
Gay Lussac observed that when gases combine or are produced in a chemical reaction, they do so in a simple ratio by volume.

Topic: Chemistry, Some Basic Concepts of Chemistry, NEET
What did Henking observe during spermatogenesis in insects?

Options:
A X:chromosome
B Y:chromosome
C Autosome
D Ribosome

The correct answer is:
X:chromosome

Solution:
Henking observed a specific nuclear structure during spermatogenesis in insects, which was later identified as an X:chromosome.

Topic: Biology, Principles of Inheritance and Variation, NEET
What did Henry Moseley's plot of X-ray frequency against atomic number reveal?

Options:
A A random pattern
B A straight line
C A curve
D No correlation

The correct answer is:
A straight line

Solution:
Henry Moseley's plot of X-ray frequency against atomic number gave a straight line.

Topic: Chemistry, Classification of Elements and Periodicity in Properties, NEET
What did Hershey and Chase use to determine the genetic material of bacteriophages?

Options:
A Radioactive sulfur
B Radioactive phosphorus
C Radioactive nitrogen
D Radioactive oxygen

The correct answer is:
Radioactive phosphorus

Solution:
Hershey and Chase grew some viruses on a medium that contained radioactive phosphorus and some others on medium that contained radioactive sulfur. Viruses grown in the presence of radioactive phosphorus contained radioactive DNA.

Topic: Biology, Molecular Basis of Inheritance, NEET
What did J. P. Joule's experiments in the 1840s demonstrate regarding work and temperature change?

Options:
A Work is independent of temperature change
B Work is directly proportional to temperature change
C Work and temperature change are unrelated
D Work produces a consistent temperature change

The correct answer is:
Work produces a consistent temperature change

Solution:
J. P. Joule's experiments showed that a given amount of work produced a consistent temperature change, irrespective of the path taken.

Topic: Chemistry, Thermodynamics (C), NEET
What did J. Van't Hoff and C. Le Bel independently propose in 1874 regarding the spatial arrangement of atoms around a central carbon atom?

Options:
A It is linear.
B It is tetrahedral.
C It is planar.
D It is octahedral.

The correct answer is:
It is tetrahedral.

Solution:
J. Van't Hoff and C. Le Bel independently proposed in 1874 that the spatial arrangement of atoms around a central carbon atom is tetrahedral.

Topic: Chemistry, Haloalkanes and Haloarenes, NEET
What did James Clerk Maxwell contribute to the understanding of electromagnetic waves?

Options:
A He discovered the electron.
B He confirmed the existence of protons.
C He developed the theory of electromagnetic waves.
D He experimented with gravitational waves.

The correct answer is:
He developed the theory of electromagnetic waves.

Solution:
James Clerk Maxwell developed the theory of electromagnetic waves

Topic: Chemistry, Structure of Atom, NEET
What did Jan Ingenhousz identify the bubbles formed around the green parts of an aquatic plant in bright sunlight to be?

Options:
A Carbon dioxide
B Nitrogen
C Oxygen
D Hydrogen

The correct answer is:
Oxygen

Solution:
In an experiment with an aquatic plant, Jan Ingenhousz showed that in bright sunlight, small bubbles were formed around the green parts. Later he identified these bubbles to be of oxygen, hence showing that it is only the green part of the plants that could release oxygen.

Topic: Biology, Photosynthesis in Higher Plants, NEET
What did Johann Dobereiner note about the physical and chemical properties of several groups of three elements?

Options:
A They had no similarity
B They were unrelated
C They formed Triads
D They were all identical

The correct answer is:
They formed Triads

Solution:
Johann Dobereiner noted a similarity among the physical and chemical properties of several groups of three elements, which he referred to as Triads.

Topic: Chemistry, Classification of Elements and Periodicity in Properties, NEET
What did John Alexander Newlands propose in 1865?

Options:
A The Law of Triads
B The Law of Octaves
C The Periodic Law
D The Law of Elements

The correct answer is:
The Law of Octaves

Solution:
John Alexander Newlands profounded the Law of Octaves in 1865.

Topic: Chemistry, Classification of Elements and Periodicity in Properties, NEET
What did Joseph Priestley hypothesize about the role of plants in restoring air quality?

Options:
A Plants restore the air damaged by burning candles
B Plants remove oxygen from the air
C Plants release carbon dioxide into the air
D Plants remove pollutants from the air

The correct answer is:
Plants restore the air damaged by burning candles

Solution:
Joseph Priestley in 1770 performed a series of experiments that revealed the essential role of air in the growth of green plants. He concluded that plants restore to the air whatever breathing animals and burning candles remove.

Topic: Biology, Photosynthesis in Higher Plants, NEET
What did Julius von Sachs find about the green parts in plants?

Options:
A Green parts release oxygen
B Green parts are where glucose is made
C Green parts are not involved in photosynthesis
D Green parts absorb blue light

The correct answer is:
Green parts are where glucose is made

Solution:
Julius von Sachs found that the green parts in plants is where glucose is made, and that the glucose is usually stored as starch.

Topic: Biology, Photosynthesis in Higher Plants, NEET
What did Lothar Meyer and Dmitri Mendeleev independently propose in 1869?

Options:
A The Law of Octaves
B The Law of Triads
C The Periodic Law
D The Atomic Theory

The correct answer is:
The Periodic Law

Solution:
Both Lothar Meyer and Dmitri Mendeleev proposed the Periodic Law in 1869.

Topic: Chemistry, Classification of Elements and Periodicity in Properties, NEET
What did Louis Pasteur observe about the optical rotation of solutions of mirror-image crystals?

Options:
A They had different magnitudes of optical rotation.
B They had the same magnitude but opposite direction of optical rotation.
C They showed no optical rotation.
D They had random variations in optical rotation.

The correct answer is:
They had the same magnitude but opposite direction of optical rotation.

Solution:
Louis Pasteur observed that solutions of mirror-image crystals had optical rotation of the same magnitude but in opposite directions.

Topic: Chemistry, Haloalkanes and Haloarenes, NEET
What did Louis Pasteur's experiment demonstrate?

Options:
A Life came from pre:existing life
B Life came from killed yeast
C Life came from outside the planet
D Life came from decaying and rotting matter

The correct answer is:
Life came from pre:existing life

Solution:
Louis Pasteur demonstrated that life comes only from pre:existing life.

Topic: Biology, Evolution, NEET
What did Max Planck's explanation of black-body radiation imply about the possible energies that can be taken up or radiated?

Options:
A All possible energies can be taken up or radiated.
B No energies can be taken up or radiated.
C Only certain discrete energies can be taken up or radiated.
D Energies are continuously exchanged.

The correct answer is:
Only certain discrete energies can be taken up or radiated.

Solution:
Max Planck's explanation of black-body radiation implied that only certain discrete energies can be taken up or radiated.

Topic: Chemistry, Structure of Atom, NEET
What did Max Planck's explanation of black-body radiation suggest about the nature of energy exchange?

Options:
A Energy exchange is continuous.
B Energy exchange is impossible.
C Energy exchange occurs in discrete amounts.
D Energy exchange is unpredictable.

The correct answer is:
Energy exchange occurs in discrete amounts.

Solution:
Max Planck's explanation of black-body radiation suggested that energy exchange occurs in discrete amounts

Topic: Chemistry, Structure of Atom, NEET
What did Maxwell derive a formula for calculating?

Options:
A Pressure of a gas
B The number of molecules with a particular speed
C Volume of a gas
D The density of a gas

The correct answer is:
The number of molecules with a particular speed

Solution:
Maxwell derived a formula for calculating the number of molecules possessing a particular speed.

Topic: Chemistry, States of Matter, NEET
What did Mendel cross to study the inheritance of one gene?

Options:
A Tall and green pea plants
B Tall and dwarf pea plants
C Yellow and green pea plants
D Smooth and wrinkled pea plants

The correct answer is:
Tall and dwarf pea plants

Solution:
Mendel crossed tall and dwarf pea plants to study the inheritance of one gene.

Topic: Biology, Principles of Inheritance and Variation, NEET
What did Mendel propose about the factors regulating the characters?

Options:
A They are found in heterozygous condition
B They are found in homozygous condition
C They are found in pairs known as alleles
D They are found in a dominant:recessive relationship

The correct answer is:
They are found in pairs known as alleles

Solution:
Mendel proposed that the factors regulating the characters are found in pairs known as alleles.

Topic: Biology, Principles of Inheritance and Variation, NEET
What did Mendel study at the time?

Options:
A The structure of DNA
B The genetic code
C The pattern of inheritance
D The process of protein synthesis

The correct answer is:
The pattern of inheritance

Solution:
At the time of Mendel, the nature of the "factors" regulating the pattern of inheritance was not clear. Over the next hundred years, the nature of the putative genetic material was investigated culminating in the realization that DNA is the genetic material, at least for the majority of organisms.

Topic: Biology, Molecular Basis of Inheritance, NEET
What did Mendeleev arrange in horizontal rows and vertical columns in his periodic table?

Options:
A Elements with similar melting points
B Elements with similar atomic numbers
C Elements with similar atomic volumes
D Elements with similar properties

The correct answer is:
Elements with similar properties

Solution:
Mendeleev arranged elements in horizontal rows and vertical columns in his periodic table based on elements with similar properties.

Topic: Chemistry, Classification of Elements and Periodicity in Properties, NEET
What did Mendeleev do when some elements did not fit his scheme of classification based on atomic weights?

Options:
A He ignored those elements.
B He revised the atomic weights of those elements.
C He left gaps in the table and placed elements with similar properties together.
D He excluded those elements from his periodic table.

The correct answer is:
He left gaps in the table and placed elements with similar properties together.

Solution:
When some elements did not fit his scheme of classification based on atomic weights, Mendeleev left gaps in the table and placed elements with similar properties together.

Topic: Chemistry, Classification of Elements and Periodicity in Properties, NEET
What did Mendeleev predict about the properties of gallium and germanium?

Options:
A He predicted they would have no properties.
B He predicted they would have completely different properties from other elements.
C He predicted some of their general physical properties.
D He predicted they would be radioactive.

The correct answer is:
He predicted some of their general physical properties.

Solution:
Mendeleev predicted some of the general physical properties of gallium and germanium.

Topic: Chemistry, Classification of Elements and Periodicity in Properties, NEET
What did Mendeleev rely on to classify the elements, besides atomic weights?

Options:
A Their color
B Their odor
C Their empirical formulas and properties of compounds
D Their electron configurations

The correct answer is:
Their empirical formulas and properties of compounds

Solution:
Mendeleev relied on the similarities in the empirical formulas and properties of the compounds formed by the elements to classify them.

Topic: Chemistry, Classification of Elements and Periodicity in Properties, NEET
What did Mendel's experiments on successive generations of his test plants prove?

Options:
A His results pointed to general rules of inheritance
B His results were based on unsubstantiated ideas
C His results were specific to pea plants
D None of the above

The correct answer is:
His results pointed to general rules of inheritance

Solution:
The confirmation of Mendel's inferences from experiments on successive generations of his test plants proved that his results pointed to general rules of inheritance rather than being unsubstantiated ideas.

Topic: Biology, Principles of Inheritance and Variation, NEET
What did Nyholm and Gillespie refine in the VSEPR model?

Options:
A The concept of electron sharing
B The localization of lone pairs
C Thedifferences between bond types
D The repulsion effects between electron pairs

The correct answer is:
The localization of lone pairs

Solution:
Nyholm and Gillespie refined the VSEPR model by explaining the important difference between the localization of lone pairs and bonding pairs of electrons.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What did Panchanan Maheshwari establish at the University of Delhi?

Options:
A A research centre in morphology
B A department of Botany
C A centre for school education
D A department of tissue culture

The correct answer is:
A department of Botany

Solution:
Panchanan established the Department of Botany at the University of Delhi as an important centre of research in embryology and tissue culture.

Topic: Biology, Reproduction in Organisms, NEET
What did Pascal use to duplicate Torricelli's barometer, and what is the height of the wine column for normal atmospheric pressure?

Options:
A Mercury, 7.6 m
B Water, 13.6 m
C French wine, 10.5 cm
D French wine, 7.6 cm

The correct answer is:
French wine, 10.5 cm

Solution:
Correct Option is : (C)
French wine, 10.5 cm

Topic: Chemistry, Mechanical Properties of Fluids, NEET
What did Planck assume about the absorption and emission of radiation in the black body?

Options:
A It occurs continuously
B It arises from oscillators in the wall of the black body
C It is unrelated to oscillators
D It is unpredictable

The correct answer is:
It arises from oscillators in the wall of the black body

Solution:
Planck assumed that absorption and emission of radiation in the black body arises from oscillators in the wall of the black body.

Topic: Chemistry, Structure of Atom, NEET