datavorous/entrance-exam-dataset huggingface dataset:
What type of cells in the Islets of Langerhans secrete glucagon?

Options:
A α-cells
B β-cells
C γ-cells
D δ-cells

The correct answer is:
α-cells

Solution:
The α-cells in the Islets of Langerhans secrete the hormone glucagon.

Topic: Biology, Chemical Coordination and Integration, NEET
What type of cells in the Islets of Langerhans secrete insulin?

Options:
A α-cells
B β-cells
C γ-cells
D δ-cells

The correct answer is:
β-cells

Solution:
The β-cells in the Islets of Langerhans secrete the hormone insulin.

Topic: Biology, Chemical Coordination and Integration, NEET
What type of cells surround the vascular bundles in a leaf?

Options:
A Epidermal cells
B Mesophyll cells
C Bundle sheath cells
D Palisade parenchyma cells

The correct answer is:
Bundle sheath cells

Solution:
The vascular bundles in a leaf are surrounded by a layer of thick-walled bundle sheath cells

Topic: Biology, Anatomy of Flowering Plants, NEET
What type of cells usually divide by mitosis?

Options:
A Diploid cells
B Haploid cells
C Triploid cells
D Tetraploid cells

The correct answer is:
Diploid cells

Solution:
Mitosis or the equational division is usually restricted to the diploid cells only.

Topic: Biology, Cell Cycle and Cell Division, NEET
What type of charge carriers are involved in a diode?

Options:
A Only electrons
B Only holes
C Both electrons and holes
D Neither electrons nor holes

The correct answer is:
Both electrons and holes

Solution:
Both electrons and holes are involved in the operation of a diode.

Topic: Chemistry, Solid State, NEET
What type of charge carriers are involved in a solar cell?

Options:
A Only electrons
B Only holes
C Both electrons and holes
D Neither electrons nor holes

The correct answer is:
Both electrons and holes

Solution:
Both electrons and holes are involved in the operation of a solar cell.

Topic: Chemistry, Solid State, NEET
What type of charge does an electron hole appear to have as it moves under the influence of an electric field in a p-type semiconductor?

Options:
A Positive charge
B Negative charge
C Neutral charge
D No charge

The correct answer is:
Positive charge

Solution:
An electron hole in a p-type semiconductor appears to have a positive charge as it moves under the influence of an electric field.

Topic: Chemistry, Solid State, NEET
What type of charge is typically found on the carbon atom bonded to halogen in a haloalkane?

Options:
A Positive
B Negative
C Neutral
D Electron-rich

The correct answer is:
Positive

Solution:
The carbon atom bonded to halogen in a haloalkane has a partial positive charge.

Topic: Chemistry, Haloalkanes and Haloarenes, NEET
What type of chemical bond is formed between amino acids in proteins?

Options:
A Ionic bond
B Covalent bond
C Hydrogen bond
D Van der Waals bond

The correct answer is:
Covalent bond

Solution:
A covalent bond, specifically a peptide bond, is formed between amino acids in proteins.

Topic: Chemistry, Biomolecules, NEET
What type of chemical reaction involves the transfer of electrons from a reducing agent to an oxidizing agent?

Options:
A Substitution reaction
B Precipitation reaction
C Redox reaction
D Hydrolysis reaction

The correct answer is:
Redox reaction

Solution:
Redox (oxidation-reduction) reactions involve the transfer of electrons from a reducing agent to an oxidizing agent.

Topic: Chemistry, Redox Reactions, NEET
What type of chemical reaction is described when ammonia reacts with Cu2+ ions to form [Cu(NH3)4]2+?

Options:
A Combustion
B Precipitation
C Complexation
D Acid-Base Neutralization

The correct answer is:
Complexation

Solution:
The paragraph describes the formation of a complex compound, [Cu(NH3)4]2+, when ammonia reacts with Cu2+ ions, which is a complexation reaction.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What type of chemical reaction is involved in the Lucas test for alcohols?

Options:
A Substitution reaction
B Addition reaction
C Elimination reaction
D Redox reaction

The correct answer is:
Substitution reaction

Solution:
The Lucas test for alcohols involves a substitution reaction, where the hydroxyl group (-OH) in the alcohol is replaced by a halogen atom (-X).

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
What type of chemical reaction occurs between nitrogen oxide (NO) and ozone (O3)?

Options:
A Combination reaction
B Redox reaction
C Hydrolysis reaction
D Acid-base reaction

The correct answer is:
Redox reaction

Solution:
The reaction between nitrogen oxide (NO) and ozone (O3) involves a redox reaction, where oxidation and reduction processes occur.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What type of chemical reaction occurs when ammonia reacts with water?

Options:
A Neutralization
B Oxidation
C Precipitation
D Disproportionation

The correct answer is:
Neutralization

Solution:
The provided chemical equation shows that ammonia reacts with water to form NH4+ (aq) and OH- (aq) ions, which is a neutralization reaction.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What type of chemical reaction occurs when an aldehyde is heated with Fehling's reagent?

Options:
A Reduction
B Hydrolysis
C Oxidation
D Substitution

The correct answer is:
Oxidation

Solution:
Fehling's test involves the oxidation of aldehydes to corresponding carboxylate anions.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What type of chemical reaction occurs when glucose reacts with bromine water to form gluconic acid?

Options:
A Reduction
B Oxidation
C Hydrolysis
D Isomerization

The correct answer is:
Oxidation

Solution:
Glucose gets oxidized to gluconic acid in the presence of bromine water, indicating an oxidation reaction.

Topic: Chemistry, Biomolecules, NEET
What type of chromatin is said to be transcriptionally active?

Options:
A Heterochromatin
B Euchromatin
C Chromosome
D Nucleosome

The correct answer is:
Euchromatin

Solution:
Euchromatin is said to be transcriptionally active chromatin, whereas heterochromatin is inactive.

Topic: Biology, Molecular Basis of Inheritance, NEET
What type of circulation do amphibians and reptiles have?

Options:
A Single circulation
B Incomplete double circulation
C Complete double circulation
D None of the above

The correct answer is:
Incomplete double circulation

Solution:
The left atrium of amphibians and reptiles receives oxygenated blood while the right atrium gets deoxygenated blood. However, they get mixed up in the single ventricle, hence these organisms have incomplete double circulation.

Topic: Biology, Body Fluids and Circulation, NEET
What type of circulation do crocodiles, birds, and mammals have?

Options:
A Single circulation
B Incomplete double circulation
C Complete double circulation
D None of the above

The correct answer is:
Complete double circulation

Solution:
Oxygenated and deoxygenated blood received by the left and right atria respectively passes on to the ventricles of the same sides, hence these animals have double circulation.

Topic: Biology, Body Fluids and Circulation, NEET
What type of circulation do fishes have?

Options:
A Single circulation
B Incomplete double circulation
C Complete double circulation
D None of the above

The correct answer is:
Single circulation

Solution:
In fishes, the heart pumps out deoxygenated blood which is oxygenated by the gills and supplied to the body parts from where deoxygenated blood is returned to the heart, hence they have a single circulation.

Topic: Biology, Body Fluids and Circulation, NEET
What type of circulation do humans have?

Options:
A Single circulation
B Incomplete double circulation
C Complete double circulation
D None of the above

The correct answer is:
Complete double circulation

Solution:
Humans, like crocodiles, birds, and mammals have double circulation with oxygenated and deoxygenated blood received by the left and right atria respectively.

Topic: Biology, Body Fluids and Circulation, NEET
What type of circulatory system do arthropods have?

Options:
A Open
B Closed
C Semi-open
D Semi-closed

The correct answer is:
Open

Solution:
Arthropods have an open type of circulatory system.

Topic: Biology, Animal Kingdom, NEET
What type of circulatory system do reptiles (except crocodiles) have?

Options:
A Open circulatory system
B Single circulation
C Incomplete double circulation
D Double circulation

The correct answer is:
Incomplete double circulation

Solution:
Reptiles (except crocodiles) have a 3-chambered heart with two atria and a single ventricle. The left atrium receives oxygenated blood from the lungs/skin and the right atrium gets deoxygenated blood from other body parts. However, both the oxygenated and deoxygenated blood get mixed up in the single ventricle before being pumped out, resulting in an incomplete double circulation.

Topic: Biology, Body Fluids and Circulation, NEET
What type of circulatory system is present in animals belonging to the phylum Chordata?

Options:
A open circulatory system
B closed circulatory system
C no circulatory system
D both A) and B)

The correct answer is:
closed circulatory system

Solution:
Animals belonging to the phylum Chordata possess a closed circulatory system, meaning the blood is always enclosed within vessels such as arteries, veins, and capillaries. This type of circulatory system allows for efficient and rapid distribution of oxygen and nutrients throughout the body.

Topic: Biology, Animal Kingdom, NEET
What type of circulatory system is present in annelids and chordates?

Options:
A Open circulatory system
B Closed circulatory system
C Neither A) nor B)
D Both A) and B)

The correct answer is:
Closed circulatory system

Solution:
Annelids and chordates have a closed circulatory system. Blood pumped by the heart is always circulated through a closed network of blood vessels.

Topic: Biology, Body Fluids and Circulation, NEET
What type of circulatory system is present in annelids?

Options:
A open circulatory system
B closed circulatory system
C no circulatory system
D both open and closed circulatory system

The correct answer is:
closed circulatory system

Solution:
Annelids possess a closed circulatory system.

Topic: Biology, Animal Kingdom, NEET
What type of circulatory system is present in arthropods and molluscs?

Options:
A Open circulatory system
B Closed circulatory system
C Neither A) nor B)
D Both A) and B)

The correct answer is:
Open circulatory system

Solution:
Open circulatory system is present in arthropods and molluscs. Blood pumped by the heart passes through large vessels into open spaces or body cavities called sinuses.

Topic: Biology, Body Fluids and Circulation, NEET
What type of classification system was proposed by George Bentham and Joseph Dalton Hooker?

Options:
A Phylogenetic Classification
B Numerical Taxonomy
C Cytotaxonomy
D Bentham and Hooker Classification

The correct answer is:
Bentham and Hooker Classification

Solution:
George Bentham and Joseph Dalton Hooker proposed a classification system for flowering plants that considered not only external features, but also internal features such as ultrastructure, anatomy, embryology, and phytochemistry. This system is known as the Bentham and Hooker Classification.

Topic: Biology, Plant Kingdom, NEET
What type of complexes can show similar geometrical isomerism to square planar complexes?

Options:
A Tetrahedral complexes
B Octahedral complexes
C Pentagonal complexes
D Triangular complexes

The correct answer is:
Octahedral complexes

Solution:
Octahedral complexes of the formula [MX2L4] can show similar geometrical isomerism to square planar complexes.

Topic: Chemistry, Coordination Compounds, NEET
What type of compound does hydrogen form with elements?

Options:
A Ionic compounds
B Metallic compounds
C Hydrides and covalent compounds
D Noble gases

The correct answer is:
Hydrides and covalent compounds

Solution:
The paragraph states that hydrogen combines with elements to form hydrides and a large number of covalent compounds.

Topic: Chemistry, Hydrogen, NEET
What type of compound is formed when Grignard reagents react with carbon dioxide and mineral acid is added?

Options:
A Ketones
B Alcohols
C Carboxylic acids
D Aldehydes

The correct answer is:
Carboxylic acids

Solution:
When Grignard reagents react with carbon dioxide and mineral acid is added, carboxylic acids are formed.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What type of compound is furan?

Options:
A Five-membered cyclic compound with one oxygen and four carbon atoms
B Four-membered cyclic compound with two oxygen and three carbon atoms
C Six-membered cyclic compound with one oxygen and five carbon atoms
D Five-membered cyclic compound with two oxygen and four carbon atoms

The correct answer is:
Five-membered cyclic compound with one oxygen and four carbon atoms

Solution:
Furan is a five-membered cyclic compound with one oxygen and four carbon atoms.

Topic: Chemistry, Biomolecules, NEET
What type of compound leaf has a number of leaflets on a common axis representing the midrib of the leaf?

Options:
A Palmately compound leaf
B Pinnately compound leaf
C Oppositely compound leaf
D Alternate compound leaf

The correct answer is:
Pinnately compound leaf

Solution:
A pinnately compound leaf is defined as a type of compound leaf in which a number of leaflets are present on a common axis, the rachis, which represents the midrib of the leaf.

Topic: Biology, Morphology of Flowering Plants, NEET
What type of compounds are formed in the Aldol condensation reaction?

Options:
A Aldehydes and ketones
B Ketones and alcohols
C Alcohols and carboxylic acids
D Aldehydes and ketols

The correct answer is:
Aldehydes and ketols

Solution:
The Aldol condensation reaction forms b-hydroxy aldehydes (aldol) or b-hydroxy ketones (ketol).

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What type of compounds are formed when alcohols and phenols react with carboxylic acids, acid chlorides, and acid anhydrides?

Options:
A Alkanes
B Aldehydes
C Esters
D Alkyl halides

The correct answer is:
Esters

Solution:
Alcohols and phenols react with carboxylic acids, acid chlorides, and acid anhydrides to form esters.

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
What type of compounds are formed when dihydrogen combines with most of the s-block elements?

Options:
A Ionic compounds
B Covalent compounds
C Metallic compounds
D Molecular compounds

The correct answer is:
Ionic compounds

Solution:
Dihydrogen forms stoichiometric ionic compounds with most of the s-block elements, which are highly electropositive in character.

Topic: Chemistry, Hydrogen, NEET
What type of compounds are formed when small atoms like H, C, and N get trapped inside the crystal lattice of transition metals?

Options:
A Interstitial compounds
B Covalent compounds
C Ionic compounds
D Complex compounds

The correct answer is:
Interstitial compounds

Solution:
Correct Option is : (A)
Interstitial compounds

Topic: Chemistry, d and f Block Elements, NEET
What type of compounds are Grignard Reagents?

Options:
A Alkyl halides
B Alkyl magnesium halides
C Alkyl lithium compounds
D Alkyl boranes

The correct answer is:
Alkyl magnesium halides

Solution:
Grignard Reagents are specifically referred to as alkyl magnesium halides.

Topic: Chemistry, Haloalkanes and Haloarenes, NEET
What type of compounds are prepared by the reduction of nitriles using LiAlH4 or catalytic hydrogenation?

Options:
A Amines with the same number of carbon atoms
B Amines with one carbon atom more than the starting nitrile
C Amines with one carbon atom less than the starting nitrile
D Amines with the same number of nitrogen atoms

The correct answer is:
Amines with one carbon atom more than the starting nitrile

Solution:
The reduction of nitriles using LiAlH4 or catalytic hydrogenation leads to the preparation of amines with one carbon atom more than the starting nitrile.

Topic: Chemistry, Amines, NEET
What type of compounds are used in variety of metallurgical processes?

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

The correct answer is:
Coordination compounds

Solution:
The paragraph mentions that variety of metallurgical processes involve the use of coordination compounds.

Topic: Chemistry, Coordination Compounds, NEET
What type of compounds are used in various metallurgical processes, industrial catalysts, and analytical reagents?

Options:
A Organic compounds
B Ionic compounds
C Coordination compounds
D Covalent compounds

The correct answer is:
Coordination compounds

Solution:
The paragraph mentions that coordination compounds are used in metallurgical processes, industrial catalysts, and analytical reagents.

Topic: Chemistry, Coordination Compounds, NEET
What type of compounds can be seen in the acid-soluble fraction?

Options:
A Organic compounds
B Inorganic compounds
C Both organic and inorganic compounds
D None of the above

The correct answer is:
Inorganic compounds

Solution:
The inorganic compounds such as sulphate and phosphate can be seen in the acid-soluble fraction.

Topic: Biology, Biomolecules (B), NEET
What type of compounds do alkali metals readily form when they react with halogens?

Options:
A Covalent compounds
B Metallic compounds
C Ionic halides
D Hydrogen halides

The correct answer is:
Ionic halides

Solution:
Alkali metals readily react with halogens to form ionic halides, where the metal cation (M+) and halogen anion (X-) are held together by electrostatic attraction.

Topic: Chemistry, s Block Elements, NEET
What type of compounds do amorphous boron and aluminum form when heated in air?

Options:
A Chlorides
B Oxides
C Carbides
D Sulfides

The correct answer is:
Oxides

Solution:
Amorphous boron and aluminium metal on heating in air form B2O3 and Al2O3, respectively.

Topic: Chemistry, p Block Elements (Group 13 & 14), NEET
What type of compounds do group 13 elements form when they react with halogens?

Options:
A Dihalides
B Trihalides
C Tetrachlorides
D Pentahalides

The correct answer is:
Trihalides

Solution:
Group 13 elements react with halogens to form "trihalides."

Topic: Chemistry, p Block Elements (Group 13 & 14), NEET
What type of compounds do highly reactive non-metals form with highly reactive metals?

Options:
A Ionic compounds
B Covalent compounds
C Metallic compounds
D Amorphous compounds

The correct answer is:
Ionic compounds

Solution:
Highly reactive non-metals readily form ionic compounds with highly reactive metals due to large differences in their electronegativities.

Topic: Chemistry, p Block Elements (Group 13 & 14), NEET
What type of compounds does phosphine (PH3) form with acids?

Options:
A Sulfides
B Oxides
C Phosphates
D Phosphonium compounds

The correct answer is:
Phosphonium compounds

Solution:
The paragraph mentions that phosphine is weakly basic and, like ammonia, gives phosphonium compounds with acids.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What type of compounds is Kjeldahl's method not applicable to?

Options:
A Compounds containing nitrogen in nitro and azo groups
B Compounds containing nitrogen in amino groups
C Compounds containing nitrogen in nitrate groups
D Compounds containing nitrogen in imine groups

The correct answer is:
Compounds containing nitrogen in nitro and azo groups

Solution:
Kjeldahl's method is not applicable to compounds containing nitrogen in nitro and azo groups.

Topic: Chemistry, General Organic Chemistry, NEET
What type of covalent bond is formed when the electronegativity difference between two atoms is significant?

Options:
A Polar covalent bond
B Nonpolar covalent bond
C Metallic bond
D Ionic bond

The correct answer is:
Polar covalent bond

Solution:
A polar covalent bond is formed when there is a significant electronegativity difference between two atoms.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What type of covalent bond is formed when the shared electron pair is equally attracted by two identical nuclei?

Options:
A Polar covalent bond
B Ionic bond
C Nonpolar covalent bond
D Metallic bond

The correct answer is:
Nonpolar covalent bond

Solution:
A nonpolar covalent bond is one in which the shared electron pair is equally attracted by two identical nuclei.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What type of covalent bonds form the molecules in polar molecular solids?

Options:
A Non-polar covalent bonds
B Metallic bonds
C Polar covalent bonds
D Hydrogen bonds

The correct answer is:
Polar covalent bonds

Solution:
The molecules in polar molecular solids are formed by polar covalent bonds, as mentioned in the paragraph.

Topic: Chemistry, Solid State, NEET
What type of crop plants are usually incorporated with Bt toxin genes?

Options:
A Cotton
B Corn
C Rice
D All of the above

The correct answer is:
All of the above

Solution:
Specific Bt toxin genes were isolated from Bacillus thuringiensis and incorporated into several crop plants such as cotton and corn. The choice of crop plant may vary.

Topic: Biology, Biotechnology and Its Applications, NEET
What type of curve does the logistic growth model produce when population density is plotted against time?

Options:
A J:shaped
B Sigmoid
C Straight line
D Exponential

The correct answer is:
Sigmoid

Solution:
The logistic growth model produces a sigmoid curve when population density is plotted against time. This curve represents the growth of a population from an initial lag phase, through phases of acceleration and deceleration, to an asymptote when the population density reaches the carrying capacity.

Topic: Biology, Organisms and Populations, NEET
What type of cyclic products are formed when ketones react with ethylene glycol under similar conditions?

Options:
A Hemiacetals
B Acetals
C Alkoxy Alcohols
D Ethylene glycol ketals

The correct answer is:
Ethylene glycol ketals

Solution:
When ketones react with ethylene glycol under similar conditions, they form cyclic products known as ethylene glycol ketals.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What type of cyclic products are produced when ketones react with ethylene glycol under similar conditions?

Options:
A Hemiacetals
B Acetals
C Alkoxyalcohols
D Ethylene glycol ketals

The correct answer is:
Ethylene glycol ketals

Solution:
Ketones react with ethylene glycol under similar conditions to form cyclic products known as ethylene glycol ketals.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What type of defect can arise when a solid is heated? Which physical property is affected by it and in what way?

Options:
A Frenkel defect; Electrical Conductivity; Increases
B Schottky defect; Density; Decreases
C Frenkel defect; Refractive Index; Decreases
D Schottky defect; Electrical Conductivity; Increases

The correct answer is:
Frenkel defect; Electrical Conductivity; Increases

Solution:
Correct Option is : (A)
Frenkel defect; Electrical Conductivity; Increases

Topic: Chemistry, Solid State, NEET
What type of defect is described when Sr²⁺ ions replace some Na⁺ ions in a crystal lattice?

Options:
A Vacancy defect
B Interstitial defect
C Frenkel defect
D Schottky defect

The correct answer is:
Frenkel defect

Solution:
When Sr²⁺ ions replace some Na⁺ ions in a crystal lattice, it results in a Frenkel defect.

Topic: Chemistry, Solid State, NEET
What type of detergents are liquid dishwashing detergents?

Options:
A Anionic
B Cationic
C Non-ionic
D Biodegradable

The correct answer is:
Non-ionic

Solution:
Liquid dishwashing detergents are of the non-ionic type.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What type of development do arthropods typically have?

Options:
A Direct
B Indirect
C Semi-direct
D Semi-indirect

The correct answer is:
Indirect

Solution:
Arthropods typically have indirect development.

Topic: Biology, Animal Kingdom, NEET
What type of development do Hemichordates have?

Options:
A Direct
B Indirect
C Parthenogenetic
D Reproductive cloning

The correct answer is:
Indirect

Solution:
Development in Hemichordates is indirect.

Topic: Biology, Animal Kingdom, NEET