datavorous/entrance-exam-dataset huggingface dataset:
What happens in case of Rh incompatibility between a pregnant mother and her foetus?

Options:
A The mother does not form any antibodies.
B The foetus does not get exposed to the mother's blood.
C The mother starts preparing antibodies against Rh antigen in her blood.
D The foetus does not form any antibodies.

The correct answer is:
The mother starts preparing antibodies against Rh antigen in her blood.

Solution:
In case of Rh incompatibility between a pregnant mother and her foetus, mother starts preparing antibodies against Rh antigen in her blood.

Topic: Biology, Body Fluids and Circulation, NEET
What happens in metaphase I of meiosis?

Options:
A Homologous chromosomes move to the opposite poles
B Bivalents arrange on the equatorial plate
C Homologous chromosomes pair to form bivalents and undergo crossing over
D Sister chromatids separate

The correct answer is:
Bivalents arrange on the equatorial plate

Solution:
During metaphase I, the bivalents arrange on the equatorial plate, which is followed by anaphase I in which homologous chromosomes move to the opposite poles with both their chromatids.

Topic: Biology, Cell Cycle and Cell Division, NEET
What happens in prophase I of meiosis?

Options:
A Homologous chromosomes move to the opposite poles
B Bivalents arrange on the equatorial plate
C Homologous chromosomes pair to form bivalents and undergo crossing over
D Sister chromatids separate

The correct answer is:
Homologous chromosomes pair to form bivalents and undergo crossing over

Solution:
Prophase I is the longest phase in meiosis I. During this phase, homologous chromosomes pair to form bivalents and undergo crossing over, which leads to the exchange of genetic material between the chromosomes.

Topic: Biology, Cell Cycle and Cell Division, NEET
What happens in the case of iodine deficiency in the diet?

Options:
A Normal hormone synthesis
B Hyperthyroidism
C Hypothyroidism and goitre
D Hyperthyroidism and goitre

The correct answer is:
Hypothyroidism and goitre

Solution:
Deficiency of iodine in our diet results in hypothyroidism and enlargement of the thyroid gland, commonly called goitre.

Topic: Biology, Chemical Coordination and Integration, NEET
What happens in the chain propagating step of polymerization?

Options:
A Chain termination occurs.
B The polymer grows in size through the addition of new radicals.
C The polymerization reaction stops.
D The monomers dissociate into smaller fragments.

The correct answer is:
The polymer grows in size through the addition of new radicals.

Solution:
In the chain propagating step of polymerization, the polymer grows in size through the addition of new radicals to the polymer chain.

Topic: Chemistry, Polymers, NEET
What happens in the propagation step of halogenation?

Options:
A Chlorine radical attacks a methane molecule
B Methyl radical attacks a chlorine molecule
C Methyl radical attacks a second molecule of chlorine
D Chlorine radical is generated by homolysis of chlorine molecule

The correct answer is:
Methyl radical attacks a second molecule of chlorine

Solution:
In propagation step, the methyl radical attacks a second molecule of chlorine to form CH3–Cl with the liberation of another chlorine radical by homolysis of a chlorine molecule.

Topic: Chemistry, Hydrocarbons, NEET
What happens to a seed in the absence of favourable conditions for growth?

Options:
A Germinates
B Goes into a period of suspended growth or rest
C Begins metabolic activities
D Dies

The correct answer is:
Goes into a period of suspended growth or rest

Solution:
In the absence of favourable conditions for growth, a seed does not germinate and goes into a period of suspended growth or rest.

Topic: Biology, Plant - Growth and Development, NEET
What happens to Amoeba during encystation?

Options:
A It divides by binary fission
B It divides by mitosis
C It secretes a three-layered hard covering
D It grows into many amoebae

The correct answer is:
It secretes a three-layered hard covering

Solution:
During encystation, Amoeba withdraws its pseudopodia and secretes a three-layered hard covering or cyst around itself.

Topic: Biology, Reproduction in Organisms, NEET
What happens to aquatic life when all available oxygen is used up in water?

Options:
A Aquatic life thrives due to low oxygen levels
B Aquatic life dies due to oxygen deprivation
C Aquatic life adapts to anaerobic conditions
D Aquatic life becomes photosynthetic

The correct answer is:
Aquatic life dies due to oxygen deprivation

Solution:
When all available oxygen is used up in water, oxygen-dependent aquatic life dies due to oxygen deprivation.

Topic: Chemistry, Environmental Chemistry, NEET
What happens to biomacromolecules in food in our body?

Options:
A They are utilised in their original form
B They are converted into simple substances in the digestive system
C They are converted into energy
D They are excreted

The correct answer is:
They are converted into simple substances in the digestive system

Solution:
Biomacromolecules in food cannot be utilised by our body in their original form. They have to be broken down and converted into simple substances in the digestive system.

Topic: Biology, Digestion and Absorption, NEET
What happens to blood cells when placed in a hypertonic solution?

Options:
A They swell
B Water flows into the cells
C They shrink
D Water flows out of the cells

The correct answer is:
They shrink

Solution:
The paragraph explains that when blood cells are placed in a hypertonic solution (containing more than 0.9% sodium chloride), water flows out of the cells, causing them to shrink.

Topic: Chemistry, Solutions, NEET
What happens to chloroform when it is slowly oxidized by air in the presence of light?

Options:
A It turns into water
B It becomes less toxic
C It releases carbon dioxide
D It forms phosgene gas

The correct answer is:
It forms phosgene gas

Solution:
Chloroform, when slowly oxidized by air in the presence of light, forms an extremely poisonous gas known as phosgene.

Topic: Chemistry, Haloalkanes and Haloarenes, NEET
What happens to conductance of solution of a weak electrolyte, when heated

Options:
A Increases because of the electrolyte conducts better
B Decreases because of the increased heat
C Decreases because of the dissociation of the electrolyte is suppressed
D Increases because the electrolyte is dissociated more

The correct answer is:
Increases because the electrolyte is dissociated more

Solution:
Degree of dissociation of weak electrolyte increases on increasing temperature hence conductance of solution increases.

Topic: Chemistry, Electrochemistry, NEET
What happens to fatty acids before they can be used as a substrate for respiration?

Options:
A They are converted into glucose
B They are degraded into glycerol
C They are degraded into acetyl CoA
D They are used directly as a substrate

The correct answer is:
They are degraded into acetyl CoA

Solution:
Fatty acids would need to be broken down into acetyl CoA before entering the respiratory pathway when it is used as a substrate.

Topic: Biology, Respiration in Plants, NEET
What happens to hydrochloric acid in water, according to the paragraph?

Options:
A It is partially ionized.
B It is not ionized at all.
C It is completely ionized into its constituent ions.
D It is only slightly ionized.

The correct answer is:
It is completely ionized into its constituent ions.

Solution:
The paragraph mentions that hydrochloric acid is completely ionized into its constituent ions in water.

Topic: Chemistry, Ionic Equilibrium, NEET
What happens to iodine when it reacts with concentrated nitric acid?

Options:
A It is reduced to iodine ions
B It is converted to iodine gas
C It is oxidized to iodic acid
D It forms a precipitate with nitrate ions

The correct answer is:
It is oxidized to iodic acid

Solution:
The paragraph describes the reaction of iodine with concentrated nitric acid, which results in the oxidation of iodine to iodic acid.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What happens to members of the class Cyclostomata after spawning?

Options:
A They die
B They migrate back to the ocean
C They metamorphose into larvae
D They return to the freshwater

The correct answer is:
They die

Solution:
After spawning, within a few days, Cyclostomes die.

Topic: Biology, Animal Kingdom, NEET
What happens to most of the ammonia produced from ammonification?

Options:
A It volatilizes and re-enters the atmosphere
B It is converted into nitrate by soil bacteria
C It is not converted into nitrate
D It is converted into nitrite by soil bacteria

The correct answer is:
It is converted into nitrate by soil bacteria

Solution:
Most of the ammonia produced from ammonification is converted into nitrate by soil bacteria

Topic: Biology, Mineral Nutrition, NEET
What happens to most probable kinetic energy and the energy of activation with increase in temperature?

Options:
A Most probable kinetic energy decreases, and the energy of activation decreases.
B Most probable kinetic energy increases, and the energy of activation increases.
C Most probable kinetic energy increases, and the energy of activation decreases.
D Most probable kinetic energy decreases, and the energy of activation increases.

The correct answer is:
Most probable kinetic energy increases, and the energy of activation decreases.

Solution:
Correct Option is : (C)
Most probable kinetic energy increases, and the energy of activation decreases.

Topic: Chemistry, Chemical Kinetics, NEET
What happens to nitrogen in the compound during Kjeldahl's method?

Options:
A It is released as free nitrogen gas
B It is converted to ammonium sulphate
C It is absorbed by sodium hydroxide
D It is converted to nitric acid

The correct answer is:
It is converted to ammonium sulphate

Solution:
In Kjeldahl's method, nitrogen in the compound gets converted to ammonium sulphate.

Topic: Chemistry, General Organic Chemistry, NEET
What happens to non-biodegradable materials like plastic, glass, and metal scraps in the waste disposal process?

Options:
A They are deposited in landfills.
B They are converted into compost.
C They are sent for recycling.
D They are left in the community bins.

The correct answer is:
They are sent for recycling.

Solution:
Non-biodegradable materials like plastic, glass, and metal scraps are sent for recycling in the waste disposal process.

Topic: Chemistry, Environmental Chemistry, NEET
What happens to novolac when heated with formaldehyde?

Options:
A It forms a linear polymer
B It undergoes cross-linking to form bakelite
C It becomes a thermoplastic polymer
D It degrades into phenol and formaldehyde

The correct answer is:
It undergoes cross-linking to form bakelite

Solution:
When novolac is heated with formaldehyde, it undergoes cross-linking to form bakelite.

Topic: Chemistry, Polymers, NEET
What happens to organelles like mitochondria and plastids during cytokinesis in plant cells?

Options:
A They are divided between the two daughter cells
B They are not affected
C They move to one of the daughter cells
D They are destroyed

The correct answer is:
They are divided between the two daughter cells

Solution:
During cytokinesis in plant cells, organelles like mitochondria and plastids are distributed between the two daughter cells.

Topic: Biology, Cell Cycle and Cell Division, NEET
What happens to oxygen when it reaches the tissues?

Options:
A Binds to haemoglobin
B Dissociates from oxyhemoglobin
C Binds to H⁺ concentration
D Dissociates from H⁺ concentration

The correct answer is:
Dissociates from oxyhemoglobin

Solution:
When oxygen reaches the tissues, it dissociates from oxyhemoglobin due to favorable conditions of low pO₂, high pCO₂, high H⁺ concentration and higher temperature.

Topic: Biology, Breathing and Exchange of Gases, NEET
What happens to polar stratospheric clouds when sunlight returns to Antarctica in the spring?

Options:
A They disperse into the atmosphere.
B They turn into rain.
C They freeze and become permanent.
D They absorb sunlight and grow larger.

The correct answer is:
They disperse into the atmosphere.

Solution:
When sunlight returns to Antarctica in the spring, the sun's warmth breaks up the polar stratospheric clouds, causing them to disperse into the atmosphere.

Topic: Chemistry, Environmental Chemistry, NEET
What happens to potassium permanganate (KMnO4) in a mixture with oxalic acid (H2C2O4) when the temperature is increased?

Options:
A It decolorizes slower.
B It has no effect on its decolorization.
C It decolorizes faster.
D It reverses its decolorization.

The correct answer is:
It decolorizes faster.

Solution:
Potassium permanganate decolorizes faster at a higher temperature when mixed with oxalic acid.

Topic: Chemistry, Chemical Kinetics, NEET
What happens to potassium permanganate when heated to 513 K?

Options:
A It sublimes
B It decomposes
C It vaporizes
D It melts

The correct answer is:
It decomposes

Solution:
Potassium permanganate forms dark purple (almost black) crystals which are isostructural with those of KClO4 . The salt is not very soluble in water (6.4 g/100 g of water at 293 K), but when heated it decomposes at 513 K.

Topic: Chemistry, d and f Block Elements, NEET
What happens to primary batteries after their initial use?

Options:
A They can be recharged for reuse
B They become dead and cannot be reused
C They become more efficient
D They become larger in size

The correct answer is:
They become dead and cannot be reused

Solution:
In primary batteries, the reaction occurs only once, and after use, the battery becomes dead and cannot be reused.

Topic: Chemistry, Electrochemistry, NEET
What happens to pyruvate under anaerobic conditions in plants?

Options:
A Aerobic respiration
B Alcohol fermentation
C Lactic acid fermentation
D Both C) and B)

The correct answer is:
Both C) and B)

Solution:
Under anaerobic conditions, either lactic acid fermentation or alcohol fermentation occurs in plants.

Topic: Biology, Respiration in Plants, NEET
What happens to pyruvic acid in the presence of oxygen?

Options:
A Lactic acid Fermentation
B Alcohol Fermentation
C Electron Transport System
D Aerobic respiration

The correct answer is:
Aerobic respiration

Solution:
In eukaryotic organisms, aerobic respiration occurs in the presence of oxygen. Pyruvic acid is transported into the mitochondria where it undergoes aerobic respiration and converted into acetyl CoA with the release of CO₂.

Topic: Biology, Respiration in Plants, NEET
What happens to pyruvic acid under anaerobic conditions?

Options:
A Aerobic respiration
B Alcohol Fermentation
C Lactic acid Fermentation
D Electron Transport System

The correct answer is:
Lactic acid Fermentation

Solution:
When there is no availability of oxygen in the organism, either lactic acid fermentation or alcohol fermentation occurs. This takes place under anaerobic conditions.

Topic: Biology, Respiration in Plants, NEET
What happens to real gases when forces of interaction between their molecules are not negligible?

Options:
A They become ideal gases
B They follow ideal gas behavior
C They strictly obey Boyle's, Charles', and Avogadro's laws
D They deviate from ideal behavior

The correct answer is:
They deviate from ideal behavior

Solution:
When forces of interaction between the molecules of real gases are not negligible, they deviate from ideal behavior.

Topic: Chemistry, States of Matter, NEET
What happens to real gases when intermolecular forces are practically negligible?

Options:
A They exhibit ideal behavior
B They become solids
C They form liquids
D They become more compressible

The correct answer is:
They exhibit ideal behavior

Solution:
Real gases show ideal behavior when intermolecular forces are practically negligible.

Topic: Chemistry, States of Matter, NEET
What happens to soaps and synthetic detergents at concentrations below the critical micelle concentration (CM
C)?

Options:
A They form aggregates
B They behave as strong electrolytes
C They become unstable
D They become ineffective

The correct answer is:
They behave as strong electrolytes

Solution:
At concentrations below the critical micelle concentration (CM

Topic: Chemistry, Surface Chemistry, NEET
What happens to some solid substances when they are heated?

Options:
A They change from solid to liquid state.
B They change from solid to vapor state.
C They change from liquid to vapor state.
D They change from vapor to solid state.

The correct answer is:
They change from solid to vapor state.

Solution:
When some solid substances are heated, they change directly from the solid to the vapor state without passing through the liquid state.

Topic: Chemistry, General Organic Chemistry, NEET
What happens to the aldehyde during Fehling's test?

Options:
A It is reduced to a ketone.
B It is converted to a carboxylic acid.
C It is oxidised to a carboxylate anion.
D It is reduced to copper metal.

The correct answer is:
It is oxidised to a carboxylate anion.

Solution:
In Fehling's test, aldehydes are oxidised to corresponding carboxylate anions.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What happens to the aldehyde during Tollens' test?

Options:
A It is reduced to a ketone.
B It is converted to a carboxylic acid.
C It is oxidised to a carboxylate anion.
D It is reduced to silver metal.

The correct answer is:
It is oxidised to a carboxylate anion.

Solution:
In Tollens' test, aldehydes are oxidised to corresponding carboxylate anions.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What happens to the anions at the critical micelle concentration?

Options:
A They move to the surface
B They stay at the surface
C They are pulled into the bulk of the solution
D They aggregate at the bottom

The correct answer is:
They are pulled into the bulk of the solution

Solution:
At the critical micelle concentration, the anions are pulled into the bulk of the solution.

Topic: Chemistry, Surface Chemistry, NEET
What happens to the biosynthetic process if light is made unavailable?

Options:
A It continues for some time and then stops
B It continues indefinitely
C It starts again immediately
D None of the above

The correct answer is:
It continues for some time and then stops

Solution:
Immediately after light becomes unavailable, the biosynthetic process continues for some time, and then stops.

Topic: Biology, Photosynthesis in Higher Plants, NEET
What happens to the carbon dioxide produced during the preparation of calcium oxide?

Options:
A It is trapped within the solid structure of calcium oxide.
B It is released into the atmosphere.
C It is used in other chemical reactions.
D It is removed to allow the reaction to proceed to completion.

The correct answer is:
It is removed to allow the reaction to proceed to completion.

Solution:
The carbon dioxide produced during the preparation of calcium oxide is removed as soon as it is produced to enable the reaction to proceed to completion.

Topic: Chemistry, s Block Elements, NEET
What happens to the chromatids during metaphase?

Options:
A They are separated
B They are held together by the centromere
C They are moved to opposite poles of the cell
D They are disintegrated

The correct answer is:
They are held together by the centromere

Solution:
During metaphase, the chromosomes are composed of two sister chromatids that are held together by the centromere. The spindle fibres attach to the kinetochores of the chromosomes and align them along the metaphase plate.

Topic: Biology, Cell Cycle and Cell Division, NEET
What happens to the chromosomes at the beginning of telophase?

Options:
A They condense and gain individuality
B They decondense and lose their individuality
C They split and move to opposite poles
D They reform into chromatin material

The correct answer is:
They decondense and lose their individuality

Solution:
At the beginning of telophase, the chromosomes that have reached their respective poles decondense and lose their individuality.

Topic: Biology, Cell Cycle and Cell Division, NEET
What happens to the chromosomes at the end of Telophase?

Options:
A Chromosomes cluster at opposite spindle poles
B Their identity is lost as discrete elements
C Both a and b
D None of the above

The correct answer is:
Both a and b

Solution:
At the beginning of the final stage of karyokinesis, i.e., telophase, the chromosomes that have reached their respective poles decondense and lose their individuality. The individual chromosomes can no longer be seen and each set of chromatin material tends to collect at each of the two poles.

Topic: Biology, Cell Cycle and Cell Division, NEET
What happens to the chromosomes at the end of the pachytene stage after recombination between homologous chromosomes has occurred?

Options:
A They become linked at the sites of crossing over
B They become visible as tetrads
C The recombination nodules disappear
D Chromosomal compaction occurs

The correct answer is:
They become linked at the sites of crossing over

Solution:
After recombination between homologous chromosomes has occurred during the pachytene stage, the chromosomes become linked at the sites of crossing over. This is the final result of the recombination process.

Topic: Biology, Cell Cycle and Cell Division, NEET
What happens to the chromosomes during Telophase II in meiosis?

Options:
A They are separated
B They are compacted
C They are enclosed by a nuclear envelope
D They become elongated

The correct answer is:
They are enclosed by a nuclear envelope

Solution:
During Telophase II in meiosis, the two groups of chromosomes get enclosed by a nuclear envelope.

Topic: Biology, Cell Cycle and Cell Division, NEET
What happens to the color of CuSO4 when water is removed from it?

Options:
A It becomes blue.
B It becomes white.
C It becomes green.
D It becomes yellow.

The correct answer is:
It becomes white.

Solution:
CuSO4 is white in color when anhydrous (without water), but it turns blue when it contains water molecules.

Topic: Chemistry, Coordination Compounds, NEET
What happens to the concentration of the adsorbate in adsorption?

Options:
A It decreases uniformly.
B It increases uniformly.
C It decreases only at the surface.
D It increases only at the surface.

The correct answer is:
It increases only at the surface.

Solution:
The paragraph specifies that in adsorption, the concentration of the adsorbate increases only at the surface of the adsorbent.

Topic: Chemistry, Surface Chemistry, NEET
What happens to the dissolved oxygen in the receiving water body after discharge of sewage into a river?

Options:
A There is an increase in dissolved oxygen
B There is no change in dissolved oxygen
C There is a decline in dissolved oxygen
D There is an increase followed by a decline in dissolved oxygen

The correct answer is:
There is a decline in dissolved oxygen

Solution:
After discharge of sewage into a river, micro-organisms involved in biodegradation of organic matter in the receiving water body consume a lot of oxygen, and as a result there is a sharp decline in dissolved oxygen downstream from the point of sewage discharge.

Topic: Biology, Environmental Issues, NEET
What happens to the electron pair shared between hydrogen and the strongly electronegative element 'X'?

Options:
A It stays close to the hydrogen atom.
B It moves far away from the hydrogen atom.
C It moves closer to the hydrogen atom.
D It becomes a covalent bond.

The correct answer is:
It moves far away from the hydrogen atom.

Solution:
When hydrogen is bonded to a strongly electronegative element 'X', the electron pair shared between the two atoms moves far away from the hydrogen atom.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What happens to the electrons as they pass through the electron transport chain?

Options:
A They are used up.
B They are transferred to NADP⁺.
C They are excited when they receive red light of 700 nm.
D They are passed on.

The correct answer is:
They are passed on.

Solution:
The electrons are not used up as they pass through the electron transport chain but are passed on to the pigments of photosystem PS I.

Topic: Biology, Photosynthesis in Higher Plants, NEET