datavorous/entrance-exam-dataset huggingface dataset:
What are branched chain hydrocarbons, and what are the small carbon chains attached to them called?

Options:
A Branched chain hydrocarbons have no branches.
B Branched chain hydrocarbons have multiple branches.
C Small carbon chains attached to branched chain hydrocarbons are called alkynes.
D Small carbon chains attached to branched chain hydrocarbons are called alkyl groups.

The correct answer is:
Small carbon chains attached to branched chain hydrocarbons are called alkyl groups.

Solution:
In branched chain hydrocarbons, small carbon chains attached to them are called alkyl groups.

Topic: Chemistry, General Organic Chemistry, NEET
What are carbohydrates that reduce Fehling’s solution and Tollens’ reagent referred to as?

Options:
A Reducing sugars
B Non-reducing sugars
C Ketones
D Fats

The correct answer is:
Reducing sugars

Solution:
All those carbohydrates which reduce Fehling’s solution and Tollens’ reagent are referred to as reducing sugars.

Topic: Chemistry, Biomolecules, NEET
What are carbohydrates that yield two to ten monosaccharide units on hydrolysis called?

Options:
A Monosaccharides
B Oligosaccharides
C Polysaccharides
D Disaccharides

The correct answer is:
Oligosaccharides

Solution:
Oligosaccharides are carbohydrates that yield two to ten monosaccharide units on hydrolysis.

Topic: Chemistry, Biomolecules, NEET
What are carbon black, coke, and charcoal described as in relation to graphite and fullerenes?

Options:
A Impure forms of graphite or fullerenes
B Pure forms of graphite or fullerenes
C Impure forms of diamond
D Impure forms of carbon nanotubes

The correct answer is:
Impure forms of graphite or fullerenes

Solution:
Carbon black, coke, and charcoal are all impure forms of graphite or fullerenes.

Topic: Chemistry, p Block Elements (Group 13 & 14), NEET
What are carbon nanotubes known for?

Options:
A Being heavier than steel
B Being lighter than aluminum
C Being less conductive than copper
D Being magnetic materials

The correct answer is:
Being lighter than aluminum

Solution:
Carbon nanotubes are new materials that have the potential to provide material that is lighter than aluminum, as mentioned in the paragraph.

Topic: Chemistry, Solid State, NEET
What are carboxylic acids esterified with in the presence of a mineral acid catalyst?

Options:
A Aldehydes
B Alcohols or phenols
C Amines
D Ketones

The correct answer is:
Alcohols or phenols

Solution:
Carboxylic acids are esterified with alcohols or phenols in the presence of a mineral acid catalyst, as mentioned in the paragraph.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What are cartilages in the Skeletal system?

Options:
A Hard, dense bones
B Soft, flexible connective tissues
C Muscles
D Tendons

The correct answer is:
Soft, flexible connective tissues

Solution:
Cartilages in the Skeletal system are specialised connective tissues that have a slightly pliable matrix due to chondroitin salts. This makes them ideal for joints where bones need to move smoothly against each other.

Topic: Biology, Locomotion and Movement, NEET
What are chlorofluor ocarbons (CFCs)?

Options:
A Refrigerants
B Ozone-friendly gases
C UV-friendly gases
D DNA-friendly gases

The correct answer is:
Refrigerants

Solution:
Chlorofluorocarbons (CFCs) are widely used as refrigerants.

Topic: Biology, Environmental Issues, NEET
What are cilia and flagella?

Options:
A hair-like outgrowths of the cell membrane
B small structures that work like oars
C responsible for cell movement
D All of the above

The correct answer is:
All of the above

Solution:
Cilia and flagella are hair-like outgrowths of the cell membrane. Cilia are small structures that work like oars, causing the movement of either the cell or the surrounding fluid. Flagella are comparatively longer and responsible for cell movement. The prokaryotic bacteria also possess flagella but these are structurally different from that of the eukaryotic flagella.

Topic: Biology, Cell - The Unit of Life, NEET
What are collectors used for in the froth flotation process?

Options:
A To increase wettability of mineral particles
B To enhance non-wettability of mineral particles
C To stabilize the froth
D To dissolve the ore particles

The correct answer is:
To enhance non-wettability of mineral particles

Solution:
Collectors, such as pine oils, fatty acids, xanthates, etc., enhance the non-wettability of the mineral particles in the froth flotation process.

Topic: Chemistry, General Principles and Processes of Isolation of Metals, NEET
What are complex compounds characterized by?

Options:
A High ionic charges
B Metal ions binding to anions or neutral molecules
C Availability of d orbitals for bond formation
D Small sizes of metal ions

The correct answer is:
Metal ions binding to anions or neutral molecules

Solution:
Complex compounds are those in which metal ions bind to anions or neutral molecules, giving rise to complex species with characteristic properties.

Topic: Chemistry, d and f Block Elements, NEET
What are complexes in which a metal is bound to more than one kind of donor group called?

Options:
A Isomeric
B Heteroleptic
C Homoleptic
D Aromatic

The correct answer is:
Heteroleptic

Solution:
Complexes in which a metal is bound to more than one kind of donor group are known as heteroleptic complexes.

Topic: Chemistry, Coordination Compounds, NEET
What are complexes in which a metal is bound to only one kind of donor group called?

Options:
A Isomeric
B Heteroleptic
C Homoleptic
D Aromatic

The correct answer is:
Homoleptic

Solution:
Complexes in which a metal is bound to only one kind of donor group are known as homoleptic complexes.

Topic: Chemistry, Coordination Compounds, NEET
What are compounds formed by the combination of halogens with other halogens called?

Options:
A Intra-halogens
B Interhalogens
C Halogenoids
D Halides

The correct answer is:
Interhalogens

Solution:
Compounds formed by the combination of halogens with other halogens are called interhalogens.

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

Options:
A Reactions that occur simultaneously.
B Reactions that involve multiple reactants.
C Reactions that pass through a series of intermediate steps.
D Reactions that produce side products.

The correct answer is:
Reactions that pass through a series of intermediate steps.

Solution:
Consecutive reactions are defined as reactions that pass through a series of intermediate steps before reaching the final products.

Topic: Chemistry, Chemical Kinetics, NEET
What are continuous tubes filled with multinucleated cytoplasm called?

Options:
A Yeast cells
B Hyphae
C Mycelium
D Coenocytic hyphae

The correct answer is:
Coenocytic hyphae

Solution:
Continuous tubes filled with multinucleated cytoplasm are called coenocytic hyphae.

Topic: Biology, Biological Classification, NEET
What are coordination compounds formed by sharing electrons between transition metals and other species called in modern terminology?

Options:
A Ionic compounds
B Molecular compounds
C Complex compounds
D Organic compounds

The correct answer is:
Complex compounds

Solution:
The paragraph mentions that compounds formed by sharing electrons between transition metals and other species are called "coordination compounds" in modern terminology.

Topic: Chemistry, Coordination Compounds, NEET
What are crypts of Lieberkuhn?

Options:
A Glands present in the stomach
B Glands present in the small intestine
C Glands present in the large intestine
D Glands present in the rectum

The correct answer is:
Glands present in the small intestine

Solution:
Mucosa also forms glands in the stomach (gastric glands) and crypts in between the bases of villi in the intestine (crypts of Lieberkuhn). Crypts of Lieberkuhn are glands present in the small intestine that secrete enzymes and hormones to aid in digestion.

Topic: Biology, Digestion and Absorption, NEET
What are crystal defects?

Options:
A Irregularities in entire rows of lattice points
B Irregularities in the arrangement of constituent particles in crystals
C Surface imperfections in crystals
D Dislocations in crystal structures

The correct answer is:
Irregularities in the arrangement of constituent particles in crystals

Solution:
Crystal defects are irregularities in the arrangement of constituent particles in crystals.

Topic: Chemistry, Solid State, NEET
What are cyanohydrins, and why are they considered useful synthetic intermediates?

Options:
A Cyanohydrins are alcohols formed from the reaction of HCN with ketones.
B Cyanohydrins are aldehydes formed from the reaction of HCN with alcohols.
C Cyanohydrins are compounds formed from the reaction of HCN with aldehydes and ketones, and they serve as intermediates in further chemical reactions.
D Cyanohydrins are compounds formed from the reaction of HCN with aldehydes and ketones, and they are the final products of the reaction.

The correct answer is:
Cyanohydrins are compounds formed from the reaction of HCN with aldehydes and ketones, and they serve as intermediates in further chemical reactions.

Solution:
Cyanohydrins are compounds formed in the reaction of aldehydes and ketones with HCN, and they are considered useful synthetic intermediates because they can participate in subsequent reactions to synthesise a variety of compounds.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What are cytokine barriers?

Options:
A Barriers created by interferons
B Barriers created by leukocytes
C Barriers created by saliva
D Barriers created by acid in the stomach

The correct answer is:
Barriers created by interferons

Solution:
Cytokine barriers are created by interferons, which are proteins secreted by virus-infected cells to protect non-infected cells from further viral infection.

Topic: Biology, Human Health and Diseases, NEET
What are cytoskeletal elements involved in amoeboid movement in cells?

Options:
A Microfilaments
B Microtubules
C Microfilaments and Microtubules
D None of the above

The correct answer is:
Microfilaments

Solution:
Cytoskeletal elements like microfilaments are involved in amoeboid movement in cells.

Topic: Biology, Locomotion and Movement, NEET
What are dark reactions in photosynthesis called?

Options:
A Carbon reactions
B Photochemical reactions
C Enzymatic reactions
D Dark reactions

The correct answer is:
Carbon reactions

Solution:
Dark reactions in photosynthesis, which are dependent on the products of light reactions (ATP and NADPH), are called carbon reactions.

Topic: Biology, Photosynthesis in Higher Plants, NEET
What are Darwin's finches an example of?

Options:
A Adaptive radiation
B Evolutionary radiation
C Geographical radiation
D Habitat radiation

The correct answer is:
Adaptive radiation

Solution:
Darwin's finches are an example of adaptive radiation, as they represent the evolution of different species in a given geographical area starting from a point and literally radiating to other areas of geography.

Topic: Biology, Evolution, NEET
What are decomposers also known as?

Options:
A Producers
B Consumers
C Saprotrophs
D Autotrophs

The correct answer is:
Saprotrophs

Solution:
Decomposers are also known as saprotrophs, which means they decompose to meet their energy and nutrient requirements.

Topic: Biology, Ecosystem, NEET
What are dendrites?

Options:
A Long fibres
B Short fibres that branch repeatedly
C Synaptic knobs
D Nissl’s granules

The correct answer is:
Short fibres that branch repeatedly

Solution:
Dendrites are short fibres that branch repeatedly and project out of the cell body of a neuron. They transmit impulses towards the cell body.

Topic: Biology, Neural Control and Coordination, NEET
What are deuteromycetes commonly known as?

Options:
A Perfect fungi
B Imperfect fungi
C Basidiomycetes
D Ascomycetes

The correct answer is:
Imperfect fungi

Solution:
Deuteromycetes are commonly known as imperfect fungi because only the asexual or vegetative phases of these fungi are known.

Topic: Biology, Biological Classification, NEET
What are different types of Placentation?

Options:
A Marginal, Axile, Parietal, Free central, basal
B Monadelphous, Diadelphous, Polyadelphous
C Valvate, Twisted, Imbricate, Vexillary
D None of the above

The correct answer is:
Marginal, Axile, Parietal, Free central, basal

Solution:
The different types of Placentation such as marginal, Axile, parietal, free central, basal

Topic: Biology, Morphology of Flowering Plants, NEET
What are dihybrid crosses?

Options:
A Crosses between two different species of organisms
B Crosses between two traits
C Crosses between two genes that are linked
D Crosses between two genes that are not linked

The correct answer is:
Crosses between two genes that are not linked

Solution:
Dihybrid crosses refer to the crossing of two individuals that differ in two traits controlled by two unlinked genes.

Topic: Biology, Principles of Inheritance and Variation, NEET
What are dominant and recessive traits?

Options:
A Different categories of genetic disorders
B Different types of genetic mutations
C Different patterns of inheritance of genetic traits
D Different structures of DNA

The correct answer is:
Different patterns of inheritance of genetic traits

Solution:
Dominant and recessive traits are different patterns of inheritance for genetic traits.

Topic: Biology, Principles of Inheritance and Variation, NEET
What are drugs called that bind to receptor sites and inhibit their natural function?

Options:
A Agonists
B Antibiotics
C Antagonists
D Enzymes

The correct answer is:
Antagonists

Solution:
Drugs that bind to receptor sites and inhibit their natural function are called antagonists.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What are drugs called when they produce a therapeutic and useful biological response?

Options:
A Poisons
B Medicines
C Chemicals
D Therapeutics

The correct answer is:
Medicines

Solution:
When drugs produce a therapeutic and useful biological response, they are called medicines.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What are electrochemical cells extensively used for in addition to determining pH?

Options:
A Determining the density of solutions.
B Analyzing the color of solutions.
C Determining the solubility product and equilibrium constant.
D Measuring the electrical conductivity of solutions.

The correct answer is:
Determining the solubility product and equilibrium constant.

Solution:
Electrochemical cells are extensively used for determining the pH of solutions, solubility product, equilibrium constant and other thermodynamic properties and for potentiometric titrations.

Topic: Chemistry, Electrochemistry, NEET
What are electrophiles and nucleophiles ? Explain with examples.

Options:
A Electrophiles are substances that donate electrons to other molecules, while nucleophiles are substances that accept electrons from other molecules. For example, hydrogen ions (H+) are electrophiles, and hydroxide ions (OH-) are nucleophiles.
B Electrophiles are substances that accept electrons from other molecules/species, while nucleophiles are substances that donate electrons to other molecules. For example, bromine (BF3) is an electrophile, and ammonia (NH3) is a nucleophile.
C Electrophiles are substances that are negatively charged and donate electrons, while nucleophiles are substances that are positively charged and accept electrons. For example, chloride ions (Cl-) are electrophiles, and sodium ions (Na+) are nucleophiles.
D Electrophiles are only substances that are positively charged and accept electrons, while nucleophiles are only substances that are negatively charged and donate electrons. For example, oxygen gas (O2) is an electrophile, and carbon dioxide (BF3) is a nucleophile.

The correct answer is:
Electrophiles are substances that accept electrons from other molecules/species, while nucleophiles are substances that donate electrons to other molecules. For example, bromine (BF3) is an electrophile, and ammonia (NH3) is a nucleophile.

Solution:
Correct Option is : (B)
Electrophiles are substances that accept electrons from other molecules/species, while nucleophiles are substances that donate electrons to other molecules. For example, bromine (BF3) is an electrophile, and ammonia (NH3) is a nucleophile.

Topic: Chemistry, General Organic Chemistry, NEET
What are elements with properties that are characteristic of both metals and non-metals called?

Options:
A Metalloids
B Noble gases
C Alkali metals
D Halogens

The correct answer is:
Metalloids

Solution:
Elements with properties that are characteristic of both metals and non-metals are called Metalloids.

Topic: Chemistry, Classification of Elements and Periodicity in Properties, NEET
What are emulsions?

Options:
A A chemical compound with high reactivity.
B A mixture of two immiscible substances with one dispersed in the form of small droplets in the other.
C A type of metal alloy.
D A type of crystalline structure.

The correct answer is:
A mixture of two immiscible substances with one dispersed in the form of small droplets in the other.

Solution:
Correct Option is : (B)
A mixture of two immiscible substances with one dispersed in the form of small droplets in the other.

Topic: Chemistry, Surface Chemistry, NEET
What are enzyme inhibitors?

Options:
A Enzyme inhibitors are proteins that enhance the catalytic activity of enzymes.
B Enzyme inhibitors are chemicals that destroy enzymes and prevent their activity.
C Enzyme inhibitors can block the binding site thereby preventing the binding of the substrate to the active site and hence inhibiting the catalytic activity of the enzyme.
D Enzyme inhibitors are substrates that are converted into products by enzymes.

The correct answer is:
Enzyme inhibitors can block the binding site thereby preventing the binding of the substrate to the active site and hence inhibiting the catalytic activity of the enzyme.

Solution:
Correct Option is : (C)
Enzyme inhibitors can block the binding site thereby preventing the binding of the substrate to the active site and hence inhibiting the catalytic activity of the enzyme.

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

Options:
A Enzymes are inorganic compounds that speed up chemical reactions.
B Enzymes are biological catalysts that facilitate chemical reactions in living organisms.
C Enzymes are high-energy molecules stored in cells for later use.
D Enzymes are products of chemical reactions.

The correct answer is:
Enzymes are biological catalysts that facilitate chemical reactions in living organisms.

Solution:
Correct Option is : (B)
Enzymes are biological catalysts that facilitate chemical reactions in living organisms.

Topic: Chemistry, Surface Chemistry, NEET
What are enzymes?

Options:
A Enzymes are carbohydrates that provide a quick source of energy in cells.
B Enzymes are proteins that serve as structural components in cell membranes.
C Enzymes are nucleic acids responsible for storing genetic information.
D Enzymes are biological molecules, usually proteins, that catalyze and regulate chemical reactions in living organisms.

The correct answer is:
Enzymes are biological molecules, usually proteins, that catalyze and regulate chemical reactions in living organisms.

Solution:
Correct Option is : (D)
Enzymes are biological molecules, usually proteins, that catalyze and regulate chemical reactions in living organisms.

Topic: Chemistry, Biomolecules, NEET
What are enzymes primarily composed of?

Options:
A Nucleic acids
B Carbohydrates
C Proteins
D Lipids

The correct answer is:
Proteins

Solution:
The paragraph mentions that enzymes are actually protein molecules of high molecular mass.

Topic: Chemistry, Surface Chemistry, NEET
What are essential and non-essential amino acids? Give two examples of each type.

Options:
A Essential amino acids are those that the body cannot produce on its own and must be obtained from the diet, such as lysine and histidine. Non-essential amino acids are those that the body can synthesize on its own, like alanine, arginine.
B Essential amino acids are those that the body can synthesize on its own, like glutamine and proline. Non-essential amino acids are those that must be obtained from the diet, such as lysine and phenylalanine.
C Essential amino acids are those that can be synthesized by the body, like lysine and phenylalanine. Non-essential amino acids are those that cannot be synthesized and must be obtained from the diet, such as glutamine and proline.
D Essential amino acids are those that cannot be synthesized by the body and must be obtained from the diet, like lysine and phenylalanine. Non-essential amino acids are those that can be synthesized by the body, such as glutamine and proline.

The correct answer is:
Essential amino acids are those that the body cannot produce on its own and must be obtained from the diet, such as lysine and histidine. Non-essential amino acids are those that the body can synthesize on its own, like alanine, arginine.

Solution:
Correct Option is : (A)
Essential amino acids are those that the body cannot produce on its own and must be obtained from the diet, such as lysine and histidine. Non-essential amino acids are those that the body can synthesize on its own, like alanine, arginine.

Topic: Chemistry, Biomolecules, NEET
What are esters and anhydrides considered in relation to carboxylic acids?

Options:
A Precursors
B Isomers
C Derivatives
D Catalysts

The correct answer is:
Derivatives

Solution:
Esters and anhydrides are considered derivatives of carboxylic acids, as mentioned in the paragraph.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What are examples of electron displacements that cause permanent polarization of bonds?

Options:
A Electromeric effect and resonance effects
B Inductive effect and polarizability effect
C Electromeric effect and inductive effect
D Resonance effects and polarizability effect

The correct answer is:
Electromeric effect and resonance effects

Solution:
Electron displacements due to the influence of an atom or a substituent group present in the molecule cause permanent polarization of the bond. Inductive effect and resonance effects are examples of this type of electron displacements.

Topic: Chemistry, General Organic Chemistry, NEET
What are examples of the O/W type emulsion?

Options:
A Butter and cream
B Milk and vanishing cream
C Oil and water
D Gel and liquid

The correct answer is:
Milk and vanishing cream

Solution:
Examples of the O/W type emulsion are mentioned as milk and vanishing cream in the paragraph.

Topic: Chemistry, Surface Chemistry, NEET
What are examples of the W/O type emulsion?

Options:
A Milk and vanishing cream
B Oil and water
C Butter and cream
D Gel and liquid

The correct answer is:
Butter and cream

Solution:
Examples of the W/O type emulsion are mentioned as butter and cream in the paragraph.

Topic: Chemistry, Surface Chemistry, NEET
What are exonucleases?

Options:
A Enzymes that make cuts at specific positions within the DNA
B Enzymes that remove nucleotides from the ends of the DNA
C Enzymes that join DNA fragments together
D None of the above

The correct answer is:
Enzymes that remove nucleotides from the ends of the DNA

Solution:
Exonucleases are enzymes that remove nucleotides from the ends of the DNA.

Topic: Biology, Biotechnology - Principles and Processes, NEET
What are exonucleases?

Options:
A Enzymes that remove nucleotides from the ends of the DNA
B Enzymes that make cuts at specific positions within the DNA
C Enzymes that inspect the length of a DNA sequence
D Enzymes that bind to the DNA and cut each of the two strands of the double helix

The correct answer is:
Enzymes that remove nucleotides from the ends of the DNA

Solution:
Exonucleases are a type of nuclease that remove nucleotides from the ends of the DNAa.

Topic: Biology, Biotechnology - Principles and Processes, NEET