datavorous/entrance-exam-dataset huggingface dataset:
What accounts for the small decrease in ∆iH from Si to Ge to Sn?

Options:
A The poor shielding effect of intervening d and f orbitals
B The increase in atomic number
C The increase in the number of valence electrons
D The presence of inner core electrons

The correct answer is:
The poor shielding effect of intervening d and f orbitals

Solution:
The the small decrease in ∆iH from Si to Ge to Sn is due to the poor shielding effect of intervening d and f orbitals.

Topic: Chemistry, p Block Elements (Group 13 & 14), NEET
What action can individuals take to reduce lead exposure from drinking water?

Options:
A Boiling the water
B Using a water filter certified for lead removal
C Adding chlorine to the water
D Drinking only bottled water

The correct answer is:
Using a water filter certified for lead removal

Solution:
Using a water filter certified for lead removal is an effective measure to reduce lead exposure from drinking water.

Topic: Chemistry, Environmental Chemistry, NEET
What action is performed on the dried froth in the Froth Floatation method?

Options:
A Heating
B Cooling
C Solidifying
D Skimming

The correct answer is:
Heating

Solution:
The dried froth is often heated in the Froth Floatation method to further aid in ore particle recovery.

Topic: Chemistry, General Principles and Processes of Isolation of Metals, NEET
What activates the chemosensitive area?

Options:
A Oxygen
B Pneumotaxic Centre
C Respiratory Rhythm Centre
D Increase in CO₂ and H⁺ concentration

The correct answer is:
Increase in CO₂ and H⁺ concentration

Solution:
The chemosensitive area is highly sensitive to CO₂ and hydrogen ions. Increase in these substances can activate this centre.

Topic: Biology, Breathing and Exchange of Gases, NEET
What acts as a protective colloid in fertile soils?

Options:
A Sand
B Humus
C Clay
D Silt

The correct answer is:
Humus

Solution:
Humus acts as a protective colloid in fertile soils.

Topic: Chemistry, Surface Chemistry, NEET
What acts as good adsorbents?

Options:
A Gases
B Liquids
C Solids
D Colloids

The correct answer is:
Solids

Solution:
Solids, particularly in finely divided state, act as good adsorbents.

Topic: Chemistry, Surface Chemistry, NEET
What acts as the transmitting agent for Entamoeba histolytica?

Options:
A Houseflies
B Anopheles mosquito
C Rhino viruses
D Bacteria

The correct answer is:
Houseflies

Solution:
Houseflies act as the mechanical carriers and transmit the parasite Entamoeba histolytica from faeces of infected person to food and food products, thereby contaminating them.

Topic: Biology, Human Health and Diseases, NEET
What adaptations have parasites evolved in accordance with their lifestyles?

Options:
A Adhesive organs or suckers to cling to the host
B High reproductive capacity
C Presence of necessary sense organs
D Strong digestive system

The correct answer is:
Adhesive organs or suckers to cling to the host

Solution:
Darwin notes that parasites have evolved special adaptations such as adhesive organs or suckers to cling to the host in accordance with their lifestyles.

Topic: Biology, Organisms and Populations, NEET
What additional electron configuration does thallium have compared to gallium and indium?

Options:
A 2 f-electrons
B 10 f-electrons
C 14 f-electrons
D 6 f-electrons

The correct answer is:
14 f-electrons

Solution:
Thallium has an additional 14 f-electrons in its electronic configuration compared to gallium and indium.

Topic: Chemistry, p Block Elements (Group 13 & 14), NEET
What additional mass 'm' must be added to regain balance in this scenario when a 100-turn rectangular coil ABCD (in the XY plane) hangs from one arm of a balance, a mass of 500g is added to the other arm to balance the weight of the coil, a current of 4.9 A passes through the coil, and a constant magnetic field of 0.2 T acts inward (in the XZ plane), switching on such that only arm CD of length 1 cm lies in the field?

Options:
A 1g
B 2g
C 3g
D 4g

The correct answer is:
1g

Solution:
Correct Option is : (A)
1g

Topic: Chemistry, Magnetic Effects of Current, NEET
What additional steps are typically involved in the ozonolysis method for obtaining aldehydes and ketones?

Options:
A Reaction with oxygen gas
B Reaction with zinc dust and water
C Reaction with sulfuric acid
D Reaction with sodium hydroxide

The correct answer is:
Reaction with zinc dust and water

Solution:
The paragraph mentions that ozonolysis of alkenes is followed by a reaction with zinc dust and water to yield aldehydes, ketones, or a mixture of both.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What advantage is offered by the null-point method in a Wheatstone bridge? What additional measurements are necessary to determine Runknownusing an alternative method?

Options:
A It eliminates the need for precise measurement of galvanometer resistance.
B It provides a more accurate calculation of Runknowncompared to other methods.
C It simplifies the determination of currents in resistances and the galvanometer.
D It requires the measurement of all currents in resistances and the galvanometer, including the internal resistance of the galvanometer.

The correct answer is:
It eliminates the need for precise measurement of galvanometer resistance.

Solution:
Correct Option is : (A)
It eliminates the need for precise measurement of galvanometer resistance.

Topic: Chemistry, Current Electricity, NEET
What affects the diffusion of a substance across a membrane?

Options:
A Its solubility in lipids
B Its size
C Its hydrophilic moiety
D Both A) and B)

The correct answer is:
Both A) and B)

Solution:
Substances that are soluble in lipids diffuse through the membrane faster because they can move easily through the lipid-based membrane.

Topic: Biology, Transport in Plants, NEET
What age group is Marasmus commonly found in?

Options:
A Infants under a year old
B Children under 5 years old
C Adults over 30 years old
D Elderly over 60 years old

The correct answer is:
Infants under a year old

Solution:
Marasmus is commonly found in infants less than a year in age when the mother's milk is replaced too early by other foods which are poor in both proteins and caloric value.

Topic: Biology, Digestion and Absorption, NEET
What allows covalent compounds like alcohol and carbohydrates to dissolve in water?

Options:
A Hydrogen bonding with nonpolar molecules
B Hydrogen bonding with polar molecules
C Low heat capacity of water
D High heat capacity of water

The correct answer is:
Hydrogen bonding with polar molecules

Solution:
Covalent compounds like alcohol and carbohydrates dissolve in water due to hydrogen bonding with polar molecules, making water an effective solvent for them.

Topic: Chemistry, Hydrogen, NEET
What allows plants to have unlimited growth?

Options:
A Absence of meristems
B Presence of meristems
C Decreased activity of meristems
D Increased activity of meristems

The correct answer is:
Presence of meristems

Solution:
The ability of the plants to have unlimited growth is due to the presence of meristems at certain locations in their body.

Topic: Biology, Plant - Growth and Development, NEET
What allows the blood to move freely to the ventricles during the cardiac cycle?

Options:
A The closure of the tricuspid and bicuspid valves
B The opening of the tricuspid and bicuspid valves
C The contraction of the ventricles and atria
D The relaxation of the ventricles and atria

The correct answer is:
The opening of the tricuspid and bicuspid valves

Solution:
The tricuspid and bicuspid valves are pushed open by the pressure in the atria, allowing the blood to move freely to the ventricles.

Topic: Biology, Body Fluids and Circulation, NEET
What among the following is a favorable factor for the formation of an ionic bond?

Options:
A Similar electronegativities of the atoms involved.
B A large difference in electronegativity between the atoms involved.
C The presence of unpaired electrons in the valence shell of the atoms.
D Sharing of electrons between the atoms.

The correct answer is:
A large difference in electronegativity between the atoms involved.

Solution:
Correct Option is : (B)
A large difference in electronegativity between the atoms involved.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What amount of bromine will be required to convert 2 g of phenol into 2, 4, 6-tribromophenol

Options:
A 4.00
B 6.00
C 10.22
D 20.44

The correct answer is:
10.22

Solution:
94 g of phenol reacts with 480 g. of Br2.
2 g of phenol react with:
â 480 94 Ã2=10.22 gââofâB r 2.

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
What amount of energy is released from glucose during lactic acid fermentation?

Options:
A More than 18%
B About 10%
C Less than 7%
D Approximately 15%

The correct answer is:
Less than 7%

Solution:
Lactic acid fermentation is a type of anaerobic metabolic process. This usually takes place in some bacteria and even in muscle cells of animals and human beings. In lactic acid fermentation NADH.H+ transfers its electrons directly to pyruvate, generating lactate as a by-product. Less than seven percent of the energy in glucose is released in this process.

Topic: Biology, Respiration in Plants, NEET, NEET 2022 (Phase 1)
What analogy is used to describe Rutherford's atomic model?

Options:
A A beehive with bees
B A clock with gears
C A solar system with planets
D A jigsaw puzzle

The correct answer is:
A solar system with planets

Solution:
Rutherford's atomic model is described as resembling a solar system with the nucleus playing the role of the sun and electrons as revolving planets.

Topic: Chemistry, Structure of Atom, NEET
What anions are associated with cationic detergents?

Options:
A Nitrate ions
B Sulfate ions
C Acetates, chlorides, or bromides
D Hydroxide ions

The correct answer is:
Acetates, chlorides, or bromides

Solution:
Cationic detergents are associated with anions such as acetates, chlorides, or bromides.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What apparatus is used for determining the elements carbon, hydrogen, and nitrogen in an organic compound?

Options:
A Iodine pentoxide analyzer
B Red-hot coke apparatus
C CHN elemental analyser
D Nitrogen gas analyser

The correct answer is:
CHN elemental analyser

Solution:
The apparatus used for determining carbon, hydrogen, and nitrogen in an organic compound is a CHN elemental analyser.

Topic: Chemistry, General Organic Chemistry, NEET
What are 12-16 and 13-15 group compounds?

Options:
A Compounds formed by elements from group 12 and 16.
B Compounds formed by elements from group 13 and 15.
C Compounds formed by elements from group 12 and 15.
D Compounds formed by elements from group 13 and 16.

The correct answer is:
Compounds formed by elements from group 13 and 16.

Solution:
Correct Option is : (D)
Compounds formed by elements from group 13 and 16.

Topic: Chemistry, Solid State, NEET
What are added to toilet soaps to enhance their appeal?

Options:
A Chemicals
B Synthetic additives
C Colour and perfumes
D Excess alkali

The correct answer is:
Colour and perfumes

Solution:
Colour and perfumes are added to toilet soaps to make them more attractive.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What are addition polymers formed by the polymerization of a single monomeric species called?

Options:
A Copolymers
B Homopolymers
C Terpolymers
D Isomers

The correct answer is:
Homopolymers

Solution:
Addition polymers formed by the polymerization of a single monomeric species are called homopolymers.

Topic: Chemistry, Polymers, NEET
What are allergens?

Options:
A Chemicals produced by the immune system
B Pathogenic proteins
C Harmful particles in the environment
D Substances to which an immune response is produced

The correct answer is:
Substances to which an immune response is produced

Solution:
The substances to which such an immune response is produced are called allergens.

Topic: Biology, Human Health and Diseases, NEET
What are allotropes?

Options:
A Allotropes are different forms of an element that have the same chemical composition but different structural arrangements.
B Allotropes are elements that exist in multiple isotopic forms.
C Allotropes are elements that have the same chemical composition and the same structural arrangement.
D Allotropes are compounds formed by the combination of two or more elements.

The correct answer is:
Allotropes are different forms of an element that have the same chemical composition but different structural arrangements.

Solution:
Correct Option is : (A)
Allotropes are different forms of an element that have the same chemical composition but different structural arrangements.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What are alloys?

Options:
A Alloys are pure substances composed of a single type of element.
B Alloys are compounds formed by the reaction of metals with non-metals.
C Alloys are mixtures of two or more elements, with at least one of them being a metal.
D Alloys are minerals found in the Earth's crust.

The correct answer is:
Alloys are mixtures of two or more elements, with at least one of them being a metal.

Solution:
Correct Option is : (C)
Alloys are mixtures of two or more elements, with at least one of them being a metal.

Topic: Chemistry, d and f Block Elements, NEET
What are Alveoli in the respiratory system?

Options:
A Structures responsible for diffusion of gases in the body
B Sites for exchange of oxygen and carbon dioxide
C Structures involved in the production of mucus
D Centers for processing of air inhaled

The correct answer is:
Sites for exchange of oxygen and carbon dioxide

Solution:
Alveoli are the primary sites in the respiratory system where oxygen and carbon dioxide are exchanged through diffusion, primarily based on pressure/concentration gradient.

Topic: Biology, Breathing and Exchange of Gases, NEET
What are amorphous solids conveniently regarded as?

Options:
A Extremely rigid solids
B Crystalline solids
C Extremely viscous liquids
D Transparent solids

The correct answer is:
Extremely viscous liquids

Solution:
Amorphous solids are conveniently regarded as extremely viscous liquids, as stated in the paragraph.

Topic: Chemistry, Solid State, NEET
What are amorphous solids sometimes called due to their slow flow?

Options:
A Crystalline solids
B Pseudo solids
C Super cooled liquids
D Transparent solids

The correct answer is:
Pseudo solids

Solution:
Amorphous solids are sometimes called pseudo solids due to their slow flow, as stated in the paragraph.

Topic: Chemistry, Solid State, NEET
What are analgesics?

Options:
A Analgesics are medications used to reduce fever.
B Analgesics are substances used to induce sleep.
C Analgesics are neurologically active pain killing drugs that reduce or abolish pain without causing impairment of consciousness,confusion etc.
D Analgesics are stimulants that increase alertness and energy levels.

The correct answer is:
Analgesics are neurologically active pain killing drugs that reduce or abolish pain without causing impairment of consciousness,confusion etc.

Solution:
Correct Option is : (C)
Analgesics are neurologically active pain killing drugs that reduce or abolish pain without causing impairment of consciousness,confusion etc.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What are anionic detergents?

Options:
A Sodium salts of sulphonated long chain alcohols
B Sodium salts of hydrocarbons
C Alkyl hydrogensulphates
D Alkyl benzene sulphonates

The correct answer is:
Sodium salts of sulphonated long chain alcohols

Solution:
Anionic detergents are sodium salts of sulphonated long chain alcohols.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What are antagonistic drugs?

Options:
A Drugs that bind to the receptor site and inhibit its natural function are called antagonistic drugs.
B Antagonistic drugs are used to counteract the toxic effects of poisons.
C Antagonistic drugs are medications that enhance the activity of neurotransmitters in the brain.
D Antagonistic drugs are substances used to boost the effects of other medications.

The correct answer is:
Drugs that bind to the receptor site and inhibit its natural function are called antagonistic drugs.

Solution:
Correct Option is : (A)
Drugs that bind to the receptor site and inhibit its natural function are called antagonistic drugs.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What are antiseptics?

Options:
A Antiseptics are chemicals which either kill or prevent the growth of microorganisms and are applied to living tissues.
B Antiseptics are medications used to treat malaria.
C Antiseptics are powerful disinfectants used for sterilizing surgical instruments.
D Antiseptics are a type of antibiotic used to treat viral infections.

The correct answer is:
Antiseptics are chemicals which either kill or prevent the growth of microorganisms and are applied to living tissues.

Solution:
Correct Option is : (A)
Antiseptics are chemicals which either kill or prevent the growth of microorganisms and are applied to living tissues.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What are aromatic compounds also known as?

Options:
A Aliphatic compounds
B Heterocyclic compounds
C Benzenoid compounds
D Non-benzenoid compounds

The correct answer is:
Benzenoid compounds

Solution:
Aromatic compounds are also known asbenzenoid compounds.

Topic: Chemistry, General Organic Chemistry, NEET
What are artificial sweetening agents? Give two examples.

Options:
A Substances that enhance the taste of food.
B Compounds that add color to food.
C Chemicals that provide a sweet taste without adding calories.
D Ingredients used to thicken food products.

The correct answer is:
Chemicals that provide a sweet taste without adding calories.

Solution:
Correct Option is : (C)
Chemicals that provide a sweet taste without adding calories.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What are aryl chlorides and bromides easily prepared by?

Options:
A Electrophilic substitution with Lewis acid catalysts like iron or iron(III) chloride.
B Electrophilic substitution with Lewis base catalysts like sodium or potassium.
C Nucleophilic substitution with Lewis acid catalysts like iron or iron(III) chloride.
D Nucleophilic substitution with Lewis base catalysts like sodium or potassium.

The correct answer is:
Electrophilic substitution with Lewis acid catalysts like iron or iron(III) chloride.

Solution:
Aryl chlorides and bromides are easily prepared by electrophilic substitution of arenes with chlorine and bromine, respectively, in the presence of Lewis acid catalysts like iron or iron(III) chloride.

Topic: Chemistry, Haloalkanes and Haloarenes, NEET
What are atoms with identical atomic numbers but different atomic mass numbers called?

Options:
A Isomers
B Isotopes
C Isobars
D Isotones

The correct answer is:
Isotopes

Solution:
Atoms with identical atomic numbers but different atomic mass numbers are called isotopes.

Topic: Chemistry, Structure of Atom, NEET
What are atoms with the same mass number but different atomic numbers called?

Options:
A Isotopes
B Isomers
C Isobars
D Isotones

The correct answer is:
Isobars

Solution:
Atoms with the same mass number but different atomic numbers are called isobars.

Topic: Chemistry, Structure of Atom, NEET
What are bacteriophages?

Options:
A Viruses that infect plants
B Viruses that infect animals
C Viruses that infect bacteria
D None of the above

The correct answer is:
Viruses that infect bacteria

Solution:
Bacterial viruses or bacteriophages (viruses that infect the bacteria) are usually double stranded DNA viruses.

Topic: Biology, Biological Classification, NEET
What are bases known to do with red litmus paper?

Options:
A Turn it into blue
B Turn it into green
C Turn it into red
D Have no effect on litmus paper

The correct answer is:
Turn it into blue

Solution:
The paragraph states that bases are known to turn red litmus paper blue.

Topic: Chemistry, Ionic Equilibrium, NEET
What are biodegradable and non-biodegradable detergents? Give one example of each.

Options:
A Biodegradable detergents break down into harmless substances over time, while non-biodegradable detergents do not.
B Biodegradable detergents are more effective in hard water, while non-biodegradable detergents are not.
C Biodegradable detergents are more expensive than non-biodegradable detergents.
D Biodegradable detergents are exclusively used for industrial cleaning.

The correct answer is:
Biodegradable detergents break down into harmless substances over time, while non-biodegradable detergents do not.

Solution:
Correct Option is : (A)
Biodegradable detergents break down into harmless substances over time, while non-biodegradable detergents do not.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What are biodegradable and non-biodegradable pollutants?

Options:
A Biodegradable pollutants are harmful substances that break down naturally in the environment, while non-biodegradable pollutants are substances that persist indefinitely without breaking down.
B Biodegradable pollutants are substances that persist indefinitely without breaking down, while non-biodegradable pollutants break down naturally in the environment.
C Both biodegradable and non-biodegradable pollutants are harmful substances that never break down.
D Biodegradable pollutants are substances that are harmless and non-polluting, while non-biodegradable pollutants are substances that are highly toxic.

The correct answer is:
Biodegradable pollutants are harmful substances that break down naturally in the environment, while non-biodegradable pollutants are substances that persist indefinitely without breaking down.

Solution:
Correct Option is : (A)
Biodegradable pollutants are harmful substances that break down naturally in the environment, while non-biodegradable pollutants are substances that persist indefinitely without breaking down.

Topic: Chemistry, Environmental Chemistry, NEET
What are biodiversity hotspots?

Options:
A Regions with very high levels of species richness and high degree of endemism.
B Regions with limited conservation resources.
C Regions of accelerated habitat loss.
D Regions with a low number of species.

The correct answer is:
Regions with very high levels of species richness and high degree of endemism.

Solution:
Biodiversity hotspots are regions with very high levels of species richness and high degree of endemism. They were identified for maximum protection by eminent conservationists.

Topic: Biology, Biodiversity and its Conservation, NEET
What are biofertilisers?

Options:
A Chemicals used in organic farming
B Synthetic fertilisers
C Organisms that enrich the nutrient quality of soil
D Pesticides

The correct answer is:
Organisms that enrich the nutrient quality of soil

Solution:
Biofertilisers are organisms that enrich the nutrient quality of soil, including bacteria, fungi and cyanobacteria.

Topic: Biology, Microbes in Human Welfare, NEET
What are biomolecules commonly referred to as?

Options:
A Alkaloids
B Metabolites
C Flavonoids
D Essential oils

The correct answer is:
Metabolites

Solution:
Biomolecules are referred to as "metabolites".

Topic: Biology, Biomolecules (B), NEET
What are biomolecules like carbohydrates, lipids, proteins, and nucleic acids called in the context of drug interactions?

Options:
A Drug compounds
B Drug receptors
C Drug targets
D Drug inhibitors

The correct answer is:
Drug targets

Solution:
Biomolecules such as carbohydrates, lipids, proteins, and nucleic acids are drug targets in the context of drug interactions.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What are boron fibers used for?

Options:
A Making bullet-proof vests and light composite materials for aircraft
B Manufacturing heat-resistant glasses and glass-wool
C Soldering metals and making medicinal soaps
D Producing protective shields in the nuclear industry

The correct answer is:
Making bullet-proof vests and light composite materials for aircraft

Solution:
Boron fibers are used in making bullet-proof vest and light composite material for aircraft.

Topic: Chemistry, p Block Elements (Group 13 & 14), NEET