datavorous/entrance-exam-dataset huggingface dataset:
What do π bonds provide in molecules containing multiple bonds?

Options:
A Stability
B Inertness
C Reactive centers
D Aromaticity

The correct answer is:
Reactive centers

Solution:
π bonds provide the most reactive centers in molecules containing multiple bonds.

Topic: Chemistry, General Organic Chemistry, NEET
What do boron and aluminum form when reacting with dinitrogen at high temperatures?

Options:
A Nitric acid
B Nitrogen gas
C Nitrous oxide
D Nitrides

The correct answer is:
Nitrides

Solution:
With dinitrogen at high temperature boron and aluminum form nitrides.

Topic: Chemistry, p Block Elements (Group 13 & 14), NEET
What do certain sportspersons misuse to enhance their performance?

Options:
A Narcotic analgesics, anabolic steroids, diuretics and certain hormones
B Infected blood
C Sexual contact
D Sharing of infected needles and syringes

The correct answer is:
Narcotic analgesics, anabolic steroids, diuretics and certain hormones

Solution:
Certain sportspersons (mis)use narcotic analgesics, anabolic steroids, diuretics and certain hormones in sports to increase muscle strength and bulk and to promote aggressiveness and as a result increase athletic performance.

Topic: Biology, Human Health and Diseases, NEET
What do coordination compounds share with the transition metals?

Options:
A Electrons
B Protons
C Neutrons
D Electromagnetic waves

The correct answer is:
Electrons

Solution:
The paragraph mentions that coordination compounds involve sharing of electrons between transition metals and other species.

Topic: Chemistry, Coordination Compounds, NEET
What do cyanobacteria often form in polluted water bodies?

Options:
A Flowers
B Blooms
C Algae
D Fungi

The correct answer is:
Blooms

Solution:
Cyanobacteria often form blooms in polluted water bodies. This means that they form large groups or clusters in these types of environments.

Topic: Biology, Biological Classification, NEET
What do decomposers absorb after breaking down dead and waste materials?

Options:
A Proteins
B Energy
C Minerals
D Simple, inorganic materials

The correct answer is:
Simple, inorganic materials

Solution:
Decomposers secrete digestive enzymes that breakdown dead and waste materials into simple, inorganic materials, which are subsequently absorbed by them.

Topic: Biology, Ecosystem, NEET
What do decomposers secrete to break down dead and waste materials?

Options:
A Energy
B Proteins
C Enzymes
D Minerals

The correct answer is:
Enzymes

Solution:
Decomposers secrete digestive enzymes that breakdown dead and waste materials into simple, inorganic materials.

Topic: Biology, Ecosystem, NEET
What do doctors recommend for bringing up a healthy baby during the initial period of infant growth?

Options:
A Injection to induce delivery
B Maturation of uterus
C Parturition
D Breast-feeding

The correct answer is:
Breast-feeding

Solution:
Breast-feeding during the initial period of infant growth is recommended by doctors for bringing up a healthy baby.

Topic: Biology, Human Reproduction, NEET
What do elements in the same vertical column or group of the Periodic Table have in common?

Options:
A Similar atomic numbers.
B Similar valence shell electronic configurations.
C Similar atomic masses.
D Similar numbers of protons.

The correct answer is:
Similar valence shell electronic configurations.

Solution:
Elements in the same vertical column or group have similar valence shell electronic configurations.

Topic: Chemistry, Classification of Elements and Periodicity in Properties, NEET
What do epithelial cells of the intestine involved in food absorption have on their surface?

Options:
A Pinocytic vesicles
B Phagocytic vesicles
C Zymogen granules
D Microvilli

The correct answer is:
Microvilli

Solution:
Epithelium cells of the intestine involved in food absorption have microvilli on their surface to increase surface area for food absorption.

Topic: Biology, Structural Organisation in Animals, NEET
What do exchange enthalpy considerations appear to impart stability to in lanthanoids?

Options:
A s orbitals
B p orbitals
C d orbitals
D f orbitals

The correct answer is:
f orbitals

Solution:
Exchange enthalpy considerations appear to impart a certain degree of stability to empty, half-filled, and completely filled orbitals of the f level.

Topic: Chemistry, d and f Block Elements, NEET
What do fig trees offer to their pollinator wasp species?

Options:
A Protection from predators
B Energy:yielding carbohydrates
C Essential nutrients from the soil
D Developing seeds for nourishing the larvae

The correct answer is:
Developing seeds for nourishing the larvae

Solution:
In a tight one:to:one relationship with the pollinator species of wasp, a given fig species can be pollinated only by its ‘partner’ wasp species. The wasp pollinates the fig inflorescence while searching for suitable egg:laying sites. In return for the favour of pollination, the fig offers the wasp some of its developing seeds, as food for the developing wasp larvae.

Topic: Biology, Organisms and Populations, NEET
What do formal charges primarily assist in selecting when considering multiple Lewis structures for a species?

Options:
A The structure with the most electronegative atoms.
B The structure with the largest formal charges.
C The lowest energy structure.
D The structure with the most lone pairs.

The correct answer is:
The lowest energy structure.

Solution:
The formal charges help in the selection of the lowest energy structure from a number of possible Lewis structures for a given species.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What do fossil records teach us about the history of life on earth?

Options:
A There have been mass extinctions of species in the past
B There have not been any mass extinctions of species in the past
C The current episode of extinction is the first one in the history of life on earth
D None of the above

The correct answer is:
There have been mass extinctions of species in the past

Solution:
From a study of the history of life on earth through fossil records, we learn that large:scale

Topic: Biology, Biodiversity and its Conservation, NEET
What do galaxies contain?

Options:
A Planets
B Stars and clouds of gas and dust
C Only stars
D Only clouds of gas and dust

The correct answer is:
Stars and clouds of gas and dust

Solution:
Galaxies contain stars and clouds of gas and dust.

Topic: Biology, Evolution, NEET
What do Grignard reagents react with to give hydrocarbons?

Options:
A Oxygen
B Metals
C Protons
D Electrons

The correct answer is:
Protons

Solution:
Grignard reagents react with any source of proton to give hydrocarbons.

Topic: Chemistry, Haloalkanes and Haloarenes, NEET
What do interhalogen compounds undergo when they undergo hydrolysis?

Options:
A Formation of metals
B Formation of noble gases
C Formation of hypohalites, halites, halates, and perhalates
D Formation of salts

The correct answer is:
Formation of hypohalites, halites, halates, and perhalates

Solution:
Interhalogen compounds undergo hydrolysis to form hypohalites, halites, halates, and perhalates.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What do Kössel's postulations provide the basis for?

Options:
A Understanding the properties of covalent compounds
B Understanding the properties of metallic compounds
C Understanding ion-formation by electron transfer and the formation of ionic crystalline compounds
D Understanding the properties of organic compounds

The correct answer is:
Understanding ion-formation by electron transfer and the formation of ionic crystalline compounds

Solution:
Kössel's postulations provide the basis for understanding ion-formation by electron transfer and the formation of ionic crystalline compounds.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What do Lewis dot structures generally not represent?

Options:
A The actual shapes of the molecules
B The location of protons in molecules
C The electronegativity of atoms
D The number of neutrons in atoms

The correct answer is:
The actual shapes of the molecules

Solution:
Lewis dot structures, in general, do not represent the actual shapes of the molecules.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What do lines represent in bond-line structural representations of organic compounds?

Options:
A Carbon and hydrogen atoms
B Oxygen and nitrogen atoms
C Carbon-carbon bonds
D Hydrogen atoms only

The correct answer is:
Carbon-carbon bonds

Solution:
In bond-line structural representations of organic compounds, lines represent carbon-carbon bonds.

Topic: Chemistry, General Organic Chemistry, NEET
What do lyophobic sols need for their preservation?

Options:
A Coagulating agents
B Reconstituting agents
C Stabilizing agents
D Liquid-loving agents

The correct answer is:
Stabilizing agents

Solution:
Lyophobic sols need stabilizing agents for their preservation.

Topic: Chemistry, Surface Chemistry, NEET
What do most fungi feed on?

Options:
A Living plants and animals
B Soluble organic matter from dead substrates
C Inorganic matter from organic substrates
D Fungi synthesize their own food

The correct answer is:
Soluble organic matter from dead substrates

Solution:
Most fungi are heterotrophic and absorb soluble organic matter from dead substrates, and hence are called saprophytes.

Topic: Biology, Biological Classification, NEET
What do negative and positive ions formed from halogen and alkali metal atoms attain in terms of electronic configuration?

Options:
A Duplet of electrons
B Octet of electrons
C Triplet of electrons
D Quadruplet of electrons

The correct answer is:
Octet of electrons

Solution:
According to Kössel, negative and positive ions formed from halogen and alkali metal atoms attain a stable noble gas electronic configuration, typically an octet of electrons.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What do non-ionic detergents, like liquid dishwashing detergents, remove by micelle formation?

Options:
A Dust particles
B Water stains
C Grease and oil
D Bacteria

The correct answer is:
Grease and oil

Solution:
Non-ionic detergents remove grease and oil by micelle formation.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What do pairs of electrons tend to do in order to minimize repulsion, as per the VSEPR theory?

Options:
A They tend to get closer together.
B They tend to occupy the same region in space.
C They tend to move away from each other.
D They tend to form chemical bonds.

The correct answer is:
They tend to move away from each other.

Solution:
The VSEPR theory states that pairs of electrons tend to occupy positions in space that minimize repulsion, which maximizes the distance between them.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What do plants and photosynthetic bacteria do with radiant energy from the sun?

Options:
A Store it for later use
B Release it into the atmosphere
C Fix it to make food from inorganic materials
D Convert it into heat

The correct answer is:
Fix it to make food from inorganic materials

Solution:
Plants and photosynthetic bacteria (autotrophs) fix Sun's radiant energy to make food from simple inorganic materials.

Topic: Biology, Ecosystem, NEET
What do plants give out during respiration?

Options:
A Carbon Dioxide
B Oxygen
C Water
D Nitrogen

The correct answer is:
Carbon Dioxide

Solution:
During respiration, plants give out carbon dioxide as a byproduct.

Topic: Biology, Respiration in Plants, NEET
What do plants offer to animals in return for their services in mutualism?

Options:
A Pollen and nectar
B Juicy and nutritious fruits
C Both A) and B)
D Nothing

The correct answer is:
Both A) and B)

Solution:
Plants offer pollen and nectar to pollinators and juicy and nutritious fruits to seed dispersers in return for their services in mutualism.

Topic: Biology, Organisms and Populations, NEET
What do plants require for respiration to occur?

Options:
A Carbon Dioxide
B Oxygen
C Water
D Nitrogen

The correct answer is:
Oxygen

Solution:
Respiration requires oxygen, and plants require oxygen for respiration to occur.

Topic: Biology, Respiration in Plants, NEET
What do pollen grains cause in some people?

Options:
A Increased performance of athletes
B Chronic respiratory disorders
C Improved race horse performance
D Food supplements

The correct answer is:
Chronic respiratory disorders

Solution:
Pollen grains of many species can cause severe allergies and bronchial afflictions in some people, often leading to chronic respiratory disorders such as asthma and bronchitis.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET
What do repulsive forces between gas molecules cause them to behave as at high pressure?

Options:
A Gaseous
B Liquid
C Small but impenetrable spheres
D Viscous

The correct answer is:
Small but impenetrable spheres

Solution:
At high pressure, repulsive forces cause gas molecules to behave as small but impenetrable spheres.

Topic: Chemistry, States of Matter, NEET
What do similarities in proteins and genes among diverse organisms suggest?

Options:
A Common ancestry
B Common environment
C Common behavior
D Common diet

The correct answer is:
Common ancestry

Solution:
Similarities in proteins and genes performing a given function among diverse organisms give clues to common ancestry.

Topic: Biology, Evolution, NEET
What do soap powders and scouring soaps contain in addition to soap?

Options:
A Fragrances and colorants
B Scouring agents and builders
C Sodium carbonate and trisodium phosphate
D Glycerol and sodium silicate

The correct answer is:
Scouring agents and builders

Solution:
Soap powders and scouring soaps contain some soap, a scouring agent (abrasive) such as powdered pumice or finely divided sand, and builders like sodium carbonate and trisodium phosphate.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What do some cyanobacteria have in order to fix atmospheric nitrogen?

Options:
A Chloroplasts
B Heterocysts
C Mitochondria
D Golgi apparatus

The correct answer is:
Heterocysts

Solution:
Some of these organisms can fix atmospheric nitrogen in specialized cells called heterocysts. This means that some cyanobacteria have a specific type of cell called heterocysts that allow them to fix nitrogen from the atmosphere.

Topic: Biology, Biological Classification, NEET
What do some metallic oxides exhibit, showing characteristics of both acidic and basic oxides?

Options:
A Amphoteric behavior
B Neutral behavior
C Oxidizing behavior
D Reducing behavior

The correct answer is:
Amphoteric behavior

Solution:
Some metallic oxides show amphoteric behavior, which means they can react with both acids and alkalies.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What do the chalcogens readily add to attain the stable noble gas configuration?

Options:
A Protons
B Electrons
C Neutrons
D Positrons

The correct answer is:
Electrons

Solution:
The chalcogens (Group 16) readily add electrons to attain the stable noble gas configuration.

Topic: Chemistry, Classification of Elements and Periodicity in Properties, NEET
What do the dots in Lewis dot structures represent?

Options:
A Nuclei of atoms
B Electrons of atoms
C Protons of atoms
D Neutrons of atoms

The correct answer is:
Electrons of atoms

Solution:
The dots in Lewis dot structures represent electrons.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What do the Leydig cells in the testis secrete?

Options:
A Testicular hormones
B Germ cells
C Spermatogonia
D Sertoli cells

The correct answer is:
Testicular hormones

Solution:
Leydig cells synthesise and secrete testicular hormones called androgens.

Topic: Biology, Human Reproduction, NEET
What do the line junctions represent in bond-line structural representations?

Options:
A Carbon atoms
B Hydrogen atoms
C Oxygen atoms
D Nitrogen atoms

The correct answer is:
Carbon atoms

Solution:
In bond-line structural representations, the line junctions denote carbon atoms bonded to the appropriate number of hydrogen atoms required to satisfy the valency of the carbon atoms.

Topic: Chemistry, General Organic Chemistry, NEET
What do the megaspores and microspores in heterosporous plants germinate into?

Options:
A Female gametophytes only
B Male gametophytes only
C Both female and male gametophytes
D None of the above

The correct answer is:
Both female and male gametophytes

Solution:
The megaspores and microspores germinate and give rise to female and male gametophytes, respectively.

Topic: Biology, Plant Kingdom, NEET
What do the properties of materials depend on, according to the paragraph?

Options:
A The temperature
B The nature of constituent particles and binding forces
C The color of the material
D The weight of the material

The correct answer is:
The nature of constituent particles and binding forces

Solution:
The properties of materials depend upon the nature of constituent particles and the binding forces operating between them, as stated in the paragraph.

Topic: Chemistry, Solid State, NEET
What do the semilunar valves guard?

Options:
A The circulatory pathways
B The ventricles
C The atria
D The pulmonary artery (right side) and the aorta (left side)

The correct answer is:
The pulmonary artery (right side) and the aorta (left side)

Solution:
The semilunar valves guarding the pulmonary artery (right side) and the aorta (left side) are forced open.

Topic: Biology, Body Fluids and Circulation, NEET
What do the spores of slime moulds possess?

Options:
A True walls
B False walls
C No walls
D Thin walls

The correct answer is:
True walls

Solution:
The spores of slime moulds possess true walls. These walls make them extremely resistant and able to survive for many years, even under adverse conditions. The spores are then dispersed by air currents.

Topic: Biology, Biological Classification, NEET
What do the symbols σ and σ* represent in the context of molecular orbitals?

Options:
A Atomic orbitals
B Antibonding molecular orbitals
C Bonding molecular orbitals
D Electrons

The correct answer is:
Bonding molecular orbitals

Solution:
In the context of molecular orbitals, σ represents bonding molecular orbitals, while σ* represents antibonding molecular orbitals.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What do the values of freezing temperature and atmospheric pressure represent in the context of STP?

Options:
A The conditions for ideal gas behavior
B The conditions for gas expansion
C The conditions for gas liquefaction
D The conditions for gas compression

The correct answer is:
The conditions for ideal gas behavior

Solution:
Freezing temperature and atmospheric pressure represent the conditions for ideal gas behavior at STP.

Topic: Chemistry, States of Matter, NEET
What do the valves in the heart do?

Options:
A Allow blood flow in both directions
B Prevent any backward flow
C Allow blood flow only in the ventricles
D Allow blood flow only in the atria

The correct answer is:
Prevent any backward flow

Solution:
The valves in the heart allow the flow of blood only in one direction, i.e., from the atria to the ventricles and from the ventricles to the pulmonary artery or aorta, and prevent any backward flow.

Topic: Biology, Body Fluids and Circulation, NEET
What do we learn from identification of individuals and populations?

Options:
A Description of any organism should enable the people to arrive at the same name
B There is no word such as identification
C The reason is unknown
D None of the above

The correct answer is:
Description of any organism should enable the people to arrive at the same name

Solution:
Description of any organism should enable the people to arrive at the same name

Topic: Biology, The Living World, NEET
What do we see when we look at objects in our immediate surroundings?

Options:
A The past
B The future
C The present
D Nothing

The correct answer is:
The present

Solution:
When we see objects in our immediate surroundings, we see them instantly and hence in the present time.

Topic: Biology, Evolution, NEET
What do you expect the nature of hydrides is, if formed by elements of atomic numbers 15,23,19 and 44 with dihydrogen respectively?

Options:
A Ionic, Covalent, Metallic and Covalent
B Metallic, Ionic, Covalent and Non-Stoichiometric
C Covalent, Ionic, Covalent and Metallic
D Covalent, Non-Stoichiometric Metallic,Ionic and Non-Stoichiometric Metallic hydride

The correct answer is:
Covalent, Non-Stoichiometric Metallic,Ionic and Non-Stoichiometric Metallic hydride

Solution:
Correct Option is : (D)
Covalent, Non-Stoichiometric Metallic,Ionic and Non-Stoichiometric Metallic hydride

Topic: Chemistry, Hydrogen, NEET
What do you mean by activity and selectivity of catalysts?

Options:
A Activity refers to the ability of a catalyst to initiate a chemical reaction, while selectivity refers to its ability to favor certain products over others.
B Activity refers to the color of the catalyst, while selectivity refers to its texture.
C Activity refers to the temperature at which a catalyst works, while selectivity refers to its solubility in water.
D Activity refers to the weight of the catalyst, while selectivity refers to its electrical conductivity.

The correct answer is:
Activity refers to the ability of a catalyst to initiate a chemical reaction, while selectivity refers to its ability to favor certain products over others.

Solution:
Correct Option is : (A)
Activity refers to the ability of a catalyst to initiate a chemical reaction, while selectivity refers to its ability to favor certain products over others.

Topic: Chemistry, Surface Chemistry, NEET
What do you mean by Biochemical Oxygen Demand (BOD)?

Options:
A The demand for oxygen in a body of water to support the decomposition of organic matter by microorganisms.
B The demand for oxygen in the atmosphere for biochemical reactions.
C The demand for oxygen in a closed laboratory environment.
D The demand for oxygen in the human body during exercise.

The correct answer is:
The demand for oxygen in a body of water to support the decomposition of organic matter by microorganisms.

Solution:
Correct Option is : (A)
The demand for oxygen in a body of water to support the decomposition of organic matter by microorganisms.

Topic: Chemistry, Environmental Chemistry, NEET
What do you mean by ozone hole? What are its consequences?

Options:
A A hole in the Earth's atmosphere through which UV radiation enters, causing skin cancer.
B A region of severely depleted ozone concentration in the stratosphere, primarily over Antarctica.
C A phenomenon where ozone levels decrease in urban areas.
D A protective layer of ozone formed during a solar eclipse.

The correct answer is:
A region of severely depleted ozone concentration in the stratosphere, primarily over Antarctica.

Solution:
Correct Option is : (B)
A region of severely depleted ozone concentration in the stratosphere, primarily over Antarctica.

Topic: Chemistry, Environmental Chemistry, NEET
What do you mean by Reimer-Tiemann reaction?

Options:
A The Reimer-Tiemann reaction is a method for converting alcohols into alkyl halides.
B When phenol is treated with chloroform (CHCl3) in the presence of sodium hydroxide, a −CHO group is introduced at the ortho position of the benzene ring.The reaction is known as Reimer-Tiemann reaction
C The Reimer-Tiemann reaction involves the reduction of alkenes to form alkanes.
D The Reimer-Tiemann reaction is a method for the direct conversion of alkanes into alkenes using a catalyst.

The correct answer is:
When phenol is treated with chloroform (CHCl3) in the presence of sodium hydroxide, a −CHO group is introduced at the ortho position of the benzene ring.The reaction is known as Reimer-Tiemann reaction

Solution:
Correct Option is : (B)
When phenol is treated with chloroform (CHCl3) in the presence of sodium hydroxide, a −CHO group is introduced at the ortho position of the benzene ring.The reaction is known as Reimer-Tiemann reaction

Topic: Chemistry, Alcohols Phenols and Ethers, NEET