datavorous/entrance-exam-dataset huggingface dataset:
What can recognise changes in CO₂ and H⁺ concentration and send necessary signals to the rhythm centre?

Options:
A Oxygen
B Pneumotaxic Centre
C Chemosensitive Area
D Receptors associated with aortic arch and carotid artery

The correct answer is:
Receptors associated with aortic arch and carotid artery

Solution:
Receptors associated with aortic arch and carotid artery can recognise changes in CO₂ and H⁺ concentration and send necessary signals to the rhythm centre for remedial actions.

Topic: Biology, Breathing and Exchange of Gases, NEET
What can result from long exposure to dust in certain industries?

Options:
A Chronic Disorder
B Difficulty in breathing causing wheezing
C Inflammation leading to fibrosis
D Decreased respiratory surface

The correct answer is:
Inflammation leading to fibrosis

Solution:
Long exposure to dust in certain industries can result in inflammation leading to fibrosis (proliferation of fibrous tissues) and thus causing serious lung damage.

Topic: Biology, Breathing and Exchange of Gases, NEET
What can reverse the direction of osmosis?

Options:
A Increase in solute concentration
B Application of pressure higher than osmotic pressure
C Decrease in temperature
D Introduction of a semipermeable membrane

The correct answer is:
Application of pressure higher than osmotic pressure

Solution:
The paragraph states that the direction of osmosis can be reversed if a pressure larger than the osmotic pressure is applied to the solution side. This phenomenon is called reverse osmosis.

Topic: Chemistry, Solutions, NEET
What can similarities in the pattern of bones in different animals indicate about their evolutionary history?

Options:
A Whether common ancestors were shared
B Whether the animals are all from the same genus
C Whether the animals are all from the same family
D Whether the animals are all from the same order

The correct answer is:
Whether common ancestors were shared

Solution:
Similarities in the pattern of bones in different animals, such as the pattern of bones in the forelimbs of whales, bats, cheetahs, and humans, can indicate whether these animals share a common ancestor.

Topic: Biology, Evolution, NEET
What can the amplified fragment produced in PCR be used for?

Options:
A To degrade the DNA
B To extend the primers
C To denature the DNA
D To ligate with a vector for further cloning

The correct answer is:
To ligate with a vector for further cloning

Solution:
The amplified fragment produced in PCR can be used to ligate with a vector for further cloning if desired.

Topic: Biology, Biotechnology - Principles and Processes, NEET
What can the other members of the groups do regarding their valence shell compared to the first member?

Options:
A They have the same number of valence orbitals.
B They can expand their valence shell to accommodate more than four pairs of electrons.
C They have fewer valence orbitals.
D They have more valence electrons.

The correct answer is:
They can expand their valence shell to accommodate more than four pairs of electrons.

Solution:
The other members of the groups can expand their valence shell to accommodate more than four pairs of electrons.

Topic: Chemistry, Classification of Elements and Periodicity in Properties, NEET
What can the presence of glucose in urine indicate?

Options:
A Normal metabolism
B Inflammation
C Diabetes Mellitus
D Kidney dysfunction

The correct answer is:
Diabetes Mellitus

Solution:
The presence of glucose (Glycosuria) in urine is indicative of diabetes mellitus.

Topic: Biology, Excretory Products and their Elimination, NEET
What can the presence of ketone bodies in urine indicate?

Options:
A Normal metabolism
B Inflammation
C Diabetes Mellitus
D Kidney dysfunction

The correct answer is:
Diabetes Mellitus

Solution:
The presence of ketone bodies (Ketonuria) in urine is indicative of diabetes mellitus.

Topic: Biology, Excretory Products and their Elimination, NEET
What can transgenic animals be used for in the study of disease?

Options:
A To study the effects of growth hormones
B To model human diseases for investigation of treatments
C To produce more balanced products for human babies
D To test the toxicity of substances

The correct answer is:
To model human diseases for investigation of treatments

Solution:
Many transgenic animals are designed to increase our understanding of how genes contribute to the development of disease, and they serve as models for human diseases to allow investigation of new treatments.

Topic: Biology, Biotechnology and Its Applications, NEET
What can you say about the intermolecular forces between molecules of solid water, ethyl alcohol, diethyl ether, and methane based on their melting points?

Options:
A The higher the melting point, the weaker the intermolecular forces.
B The lower the melting point, the stronger the intermolecular forces.
C The melting point is not related to intermolecular forces.
D There is no correlation between melting points and intermolecular forces.

The correct answer is:
The lower the melting point, the stronger the intermolecular forces.

Solution:
Correct Option is : (B)
The lower the melting point, the stronger the intermolecular forces.

Topic: Chemistry, Solid State, NEET
What carries blood away from the glomerulus in a nephron?

Options:
A Efferent vein
B Afferent arteriole
C Efferent arteriole
D Afferent vein

The correct answer is:
Efferent arteriole

Solution:
Blood from the glomerulus is carried away by an efferent arteriole in a nephron.

Topic: Biology, Excretory Products and their Elimination, NEET
What catalyst is typically used for the hydrogenation of vegetable oils to produce edible fats?

Options:
A Platinum (Pt)
B Nickel (Ni)
C Palladium (Pd)
D Iron (Fe)

The correct answer is:
Nickel (Ni)

Solution:
Nickel (Ni) is used as a catalyst for the hydrogenation of vegetable oils to produce edible fats.

Topic: Chemistry, Hydrogen, NEET
What catalysts can be used in the production of phenol-formaldehyde polymers?

Options:
A Peroxide catalysts
B Acid or base catalysts
C Transition metal catalysts
D Alkylating catalysts

The correct answer is:
Acid or base catalysts

Solution:
The production of phenol-formaldehyde polymers can involve the use of either an acid or a base catalyst.

Topic: Chemistry, Polymers, NEET
What causes a green plant exposed to the light on only one side, to bend toward the source of light as it grows?

Options:
A Green plants need light to perform photosynthesis.
B Green plants seek light because they are phototropic.
C Light stimulates plant cells on the lighted side to grow faster.
D Auxin accumulates on the shaded side, stimulating greater cell elongation there.

The correct answer is:
Auxin accumulates on the shaded side, stimulating greater cell elongation there.

Solution:
Auxins accumulates on the shaded side, stimulating grater cell elongation there. Since auxins move from morphological apex to morphological base therefore gets accumulated on the shaded side. Thus plants exposed to the light on only one side bends towards the source of light. It is also due to the tropic movement of auxins which causes phototropism and geotropism in plants.

Topic: Biology, Plant - Growth and Development, NEET, NEET 2015 (Phase 1)
What causes a raw mango placed in concentrated salt solution to shrivel into a pickle?

Options:
A Diffusion
B Osmosis
C Evaporation
D Sublimation

The correct answer is:
Osmosis

Solution:
The paragraph explains that a raw mango placed in concentrated salt solution loses water via osmosis, causing it to shrivel into a pickle.

Topic: Chemistry, Solutions, NEET
What causes alkali metals to impart characteristic colors to an oxidizing flame?

Options:
A Strong metallic bonding
B Presence of multiple valence electrons
C Weak metallic bonding
D Absence of valence electrons

The correct answer is:
Presence of multiple valence electrons

Solution:
Alkali metals impart characteristic colors to an oxidizing flame because the heat from the flame excites the outermost orbital electron to a higher energy level, and when it returns to the ground state, radiation in the visible spectrum is emitted due to the presence of multiple valence electrons.

Topic: Chemistry, s Block Elements, NEET
What causes alkali metals to tarnish in dry air?

Options:
A Formation of nitrides
B Formation of hydroxides
C Formation of peroxides
D Formation of superoxides

The correct answer is:
Formation of hydroxides

Solution:
Alkali metals tarnish in dry air due to the formation of their oxides, which subsequently react with moisture in the air to form hydroxides.

Topic: Chemistry, s Block Elements, NEET
What causes amoebiasis?

Options:
A Entamoeba histolytica
B Wuchereria
C Ascaris
D Streptococcus pneumoniae

The correct answer is:
Entamoeba histolytica

Solution:
Entamoeba histolytica is the protozoan parasite responsible for causing amoebiasis.

Topic: Biology, Human Health and Diseases, NEET
What causes an increase in pulmonary volume?

Options:
A Contraction of diaphragm
B Relaxation of diaphragm
C Contraction of external intercostal muscles
D Relaxation of internal intercostal muscles

The correct answer is:
Contraction of diaphragm

Solution:
The overall increase in thoracic volume caused by the contraction of the diaphragm leads to a similar increase in pulmonary volume.

Topic: Biology, Breathing and Exchange of Gases, NEET
What causes Angina to occur?

Options:
A Due to conditions that affect the blood flow
B Due to the state of heart when it is pumping blood effectively
C Due to cardiac arrest
D Due to congestion of the lungs

The correct answer is:
Due to conditions that affect the blood flow

Solution:
Angina occurs due to conditions that affect the blood flow and prevent enough oxygen from reaching the heart muscle.

Topic: Biology, Body Fluids and Circulation, NEET
What causes atoms and molecules to emit radiation in various regions of the electromagnetic spectrum?

Options:
A Interaction with matter
B Absorption of energy
C Higher energy states
D Decreased stability

The correct answer is:
Higher energy states

Solution:
Atoms and molecules may absorb energy and reach higher energy states when interacting with electromagnetic radiation. To return to their more stable, lower energy states, they emit radiation in various regions of the electromagnetic spectrum.

Topic: Chemistry, Structure of Atom, NEET
What causes blood cells to swell when placed in water with less than 0.9% salt concentration?

Options:
A Osmosis
B Evaporation
C Sublimation
D Diffusion

The correct answer is:
Osmosis

Solution:
The paragraph explains that blood cells swell when placed in water with less than 0.9% salt concentration due to the flow of water into the cells through osmosis.

Topic: Chemistry, Solutions, NEET
What causes Brownian motion in colloidal dispersion?

Options:
A Gravitational force
B Electric field
C Collision with molecules of the dispersion medium
D Magnetic force

The correct answer is:
Collision with molecules of the dispersion medium

Solution:
Correct Option is : (C)
Collision with molecules of the dispersion medium

Topic: Chemistry, Surface Chemistry, NEET
What causes carbon dioxide gas to rapidly fizz out when a soda water bottle is opened?

Options:
A An increase in temperature
B A difference in the solubility of carbon dioxide at different pressures
C An increase in pressure
D The addition of sugar to the soda

The correct answer is:
A difference in the solubility of carbon dioxide at different pressures

Solution:
The rapid fizzing out of carbon dioxide gas in a soda water bottle when opened is due to a difference in the solubility of carbon dioxide at different pressures.

Topic: Chemistry, Chemical Equilibrium, NEET
What causes electron gain enthalpy to be more negative for smaller atoms?

Options:
A Greater atomic mass
B Higher electron-electron repulsion
C Smaller effective nuclear charge
D Stable electron configuration

The correct answer is:
Smaller effective nuclear charge

Solution:
Electron gain enthalpy becomes more negative for smaller atoms because the added electron, on average, would be closer to the positively charged nucleus due to the smaller effective nuclear charge.

Topic: Chemistry, Classification of Elements and Periodicity in Properties, NEET
What causes elements in a vertical column of the Periodic Table to exhibit similar chemical behavior?

Options:
A The number of protons in the nucleus
B The number of neutrons in the nucleus
C The number and distribution of electrons in their outermost orbitals
D The number of electrons in the innermost orbitals

The correct answer is:
The number and distribution of electrons in their outermost orbitals

Solution:
This similarity arises because these elements have the same number and same distribution of electrons in their outermost orbitals.

Topic: Chemistry, Classification of Elements and Periodicity in Properties, NEET
What causes expiration?

Options:
A Increase in intra-pulmonary pressure
B Decrease in atmospheric pressure
C Increase in atmospheric pressure
D Decrease in intra-pulmonary pressure

The correct answer is:
Increase in intra-pulmonary pressure

Solution:
Expiration is caused by an increase in intra-pulmonary pressure, which is slightly above the atmospheric pressure.

Topic: Biology, Breathing and Exchange of Gases, NEET
What causes Graves' disease?

Options:
A Hyposecretion of thyroid gland
B Hypersecretion of the thyroid gland
C Hyposecretion of adrenal gland
D Hypersecretion of adrenal gland

The correct answer is:
Hypersecretion of the thyroid gland

Solution:
Grave's disease is due to the hypersecretion of the thyroid gland. Graves’ disease is named for the doctor Robert J. Graves who first described it in a patient in 1835. Graves’ disease is a type of autoimmune problem that causes the thyroid gland to produce too much thyroid hormone, which results in hyperthyroidism. In Graves’ disease, the immune system creates antibodies that cause the thyroid to grow and make more thyroid hormone than the body needs. These antibodies are called thyroid-stimulating immunoglobulins.

Topic: Biology, Chemical Coordination and Integration, NEET, NEET 2016 (Phase 2)
What causes haemophilia?

Options:
A Mutation in certain genes present in the Y chromosome
B Mutation in certain genes present in the X chromosome
C Mutation in certain genes present in the autosomes
D Mutation in certain genes present in the mitochondria

The correct answer is:
Mutation in certain genes present in the X chromosome

Solution:
Haemophilia is a sex:linked recessive disorder caused by a mutation in certain genes present in the X chromosome.

Topic: Biology, Principles of Inheritance and Variation, NEET
What causes limewater to turn milky when carbon dioxide is passed through it?

Options:
A Formation of calcium chloride
B Formation of calcium hydroxide
C Formation of calcium carbonate
D Formation of calcium sulfide

The correct answer is:
Formation of calcium carbonate

Solution:
When carbon dioxide is passed through lime water, it turns milky due to the formation of calcium carbonate.

Topic: Chemistry, s Block Elements, NEET
What causes liquid to rise (or fall) in a capillary?

Options:
A Gravity
B Surface tension
C Viscosity
D Density

The correct answer is:
Surface tension

Solution:
Liquid rises (or falls) in a capillary due to surface tension.

Topic: Chemistry, States of Matter, NEET
What causes malaria in humans?

Options:
A Bacteria
B Virus
C Fungi
D Protozoan

The correct answer is:
Protozoan

Solution:
Malaria is caused by a tiny protozoan named Plasmodium.

Topic: Biology, Human Health and Diseases, NEET
What causes mental retardation in Phenylketonuria patients?

Options:
A Accumulation of tyrosine in the brain
B Accumulation of phenylalanine in the brain
C Accumulation of phenylpyruvic acid in the brain
D None of the above

The correct answer is:
Accumulation of phenylalanine in the brain

Solution:
Phenylketonuria patients lack an enzyme that converts the amino acid phenylalanine into tyrosine, leading to accumulation of phenylalanine and its by:products in the brain, resulting in mental retardation.

Topic: Biology, Principles of Inheritance and Variation, NEET
What causes negative deviation from Raoult's law in solutions, and can you provide an example of a solution that exhibits negative deviation?

Options:
A Negative deviation occurs when A-B interactions are weaker than A-A or B-B interactions. An example is the solution of phenol and aniline.
B Negative deviation occurs when A-B interactions are stronger than A-A or B-B interactions. An example is the solution of ethanol and water.
C Negative deviation occurs when A-B interactions are equal to A-A or B-B interactions. An example is the solution of n-hexane and n-heptane.
D Negative deviation occurs when there is no intermolecular interaction between the solute and solvent.

The correct answer is:
Negative deviation occurs when A-B interactions are weaker than A-A or B-B interactions. An example is the solution of phenol and aniline.

Solution:
Negative deviation from Raoult's law happens when the interactions between different components (A-

Topic: Chemistry, Solutions, NEET
What causes paramagnetism in substances?

Options:
A Presence of paired electrons
B Presence of unpaired electrons
C Presence of magnetic ions
D Presence of strong magnetic fields

The correct answer is:
Presence of unpaired electrons

Solution:
Paramagnetism is due to the presence of one or more unpaired electrons in a substance.

Topic: Chemistry, Solid State, NEET
What causes small drops of mercury to form spherical beads instead of spreading on the surface?

Options:
A Equal intermolecular forces
B Surface tension
C Lack of adhesion
D High density

The correct answer is:
Surface tension

Solution:
The formation of spherical beads by small drops of mercury is due to the characteristic property of liquids called surface tension.

Topic: Chemistry, States of Matter, NEET
What causes the abrupt decrease in stability of higher oxidation states in transition elements?

Options:
A A change in the number of protons
B A change in the number of neutrons
C A change in the number of electrons in the outermost shell
D A change in the availability of d orbitals

The correct answer is:
A change in the availability of d orbitals

Solution:
There is an abrupt decrease in stability of higher oxidation states, which is related to the availability of d orbitals.

Topic: Chemistry, d and f Block Elements, NEET
What causes the accumulation of protons in the lumen of the thylakoid membrane?

Options:
A Transport of electrons through the photosystems
B Splitting of water molecules on the inner side of the membrane
C Breakdown of the proton gradient
D Release of protons from the stroma

The correct answer is:
Transport of electrons through the photosystems

Solution:
As electrons move through the photosystems, protons are transported across the membrane to the lumen side of the membrane, causing an accumulation of protons in the lumen.

Topic: Biology, Photosynthesis in Higher Plants, NEET
What causes the actinoid contraction across the series?

Options:
A Increase in atomic number
B Decrease in atomic number
C Poor shielding by 5f electrons
D Strong shielding by 4f electrons

The correct answer is:
Poor shielding by 5f electrons

Solution:
The actinoid contraction is caused by poor shielding by 5f electrons.

Topic: Chemistry, d and f Block Elements, NEET
What causes the bleaching action of chlorine in the presence of moisture?

Options:
A Formation of hypochlorous acid (HOCl)
B Formation of hydrogen chloride (HCl)
C Formation of oxygen gas (O2)
D Formation of water (H2O)

The correct answer is:
Formation of hypochlorous acid (HOCl)

Solution:
The bleaching action of chlorine in the presence of moisture is caused by the formation of hypochlorous acid (HOCl), which provides nascent oxygen for bleaching.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What causes the brown color of NO2 gas to decrease in intensity at low temperatures?

Options:
A The brown color of NO2 gas is temperature-independent.
B The forward reaction at low temperatures results in the formation of N2O4, which is colorless.
C The reverse reaction at low temperatures consumes NO2, causing the color to fade.
D The brown color becomes more intense at low temperatures.

The correct answer is:
The forward reaction at low temperatures results in the formation of N2O4, which is colorless.

Solution:
At low temperatures, the forward reaction of forming N2O4 occurs, which is colorless, leading to a decrease in the intensity of the brown color of NO2 gas.

Topic: Chemistry, Chemical Equilibrium, NEET
What causes the change in the speed and energy of gas molecules?

Options:
A Temperature fluctuations
B Changes in pressure
C Continuous motion and collisions
D Interaction with the container walls

The correct answer is:
Continuous motion and collisions

Solution:
The change in the speed and energy of gas molecules is caused by their continuous motion and collisions with each other and with the walls of the container.

Topic: Chemistry, States of Matter, NEET
What causes the closure of the tricuspid and bicuspid valves during ventricular systole?

Options:
A The opening of the semilunar valves
B The flow of blood in the ventricles
C The ventricular pressure increase
D The closure of the semilunar valves

The correct answer is:
The ventricular pressure increase

Solution:
Ventricular systole increases the ventricular pressure causing the closure of tricuspid and bicuspid valves due to attempted backflow of blood into the atria.

Topic: Biology, Body Fluids and Circulation, NEET
What causes the curdling of milk?

Options:
A Boiling
B Presence of lactic acid
C Addition of sugar
D Exposure to light

The correct answer is:
Presence of lactic acid

Solution:
The curdling of milk happens due to the presence of lactic acid produced by bacteria in milk.

Topic: Chemistry, Biomolecules, NEET
What causes the decline in dissolved oxygen in the receiving water body after discharge of sewage into a river?

Options:
A Increase in micro-organisms
B Decrease in micro-organisms
C Increase in biodegradable organic matter
D Decrease in biodegradable organic matter

The correct answer is:
Increase in micro-organisms

Solution:
Micro-organisms involved in biodegradation of organic matter in the receiving water body consume a lot of oxygen, causing a sharp decline in dissolved oxygen downstream from the point of sewage discharge.

Topic: Biology, Environmental Issues, NEET
What causes the delivery of the fetus at the end of pregnancy?

Options:
A Maturation of uterus
B Differentiation of mammary glands
C Vigorous contraction of uterus
D Lactation

The correct answer is:
Vigorous contraction of uterus

Solution:
Vigorous contraction of the uterus at the end of pregnancy causes delivery of the fetus.

Topic: Biology, Human Reproduction, NEET
What causes the formation of a brown ring in the Brown Ring Test?

Options:
A The reaction of nitrate ions with ferrous ions (Fe2+)
B The reaction of nitric oxide with ferrous ions (Fe2+)
C The reaction of sulfuric acid with water
D The reduction of ferrous ions (Fe2+) to ferric ions (Fe3+)

The correct answer is:
The reaction of nitrate ions with ferrous ions (Fe2+)

Solution:
The paragraph describes that in the Brown Ring Test, the brown ring is formed by the reaction of nitrate ions with ferrous ions (Fe2+).

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What causes the formation of fine droplets in mist or fog?

Options:
A Evaporation
B Condensation
C Sublimation
D Dissolution

The correct answer is:
Condensation

Solution:
Fine droplets in mist or fog are formed by the condensation of moisture on dust particles in a cooled mass of air.

Topic: Chemistry, Surface Chemistry, NEET
What causes the increase in ionization enthalpy along each series of transition elements from left to right?

Options:
A An increase in the number of d electrons
B An increase in nuclear charge
C An increase in the number of s electrons
D An increase in the number of p electrons

The correct answer is:
An increase in nuclear charge

Solution:
The increase in ionization enthalpy along each series of transition elements is due to an increase in nuclear charge.

Topic: Chemistry, d and f Block Elements, NEET