datavorous/entrance-exam-dataset huggingface dataset:
What is the name of the process used to increase dihydrogen production by reacting carbon monoxide with steam in the presence of iron chromate?

Options:
A Steam reforming
B Hydrogenation
C Water-gas shift reaction
D Carbonation

The correct answer is:
Water-gas shift reaction

Solution:
The process used to increase dihydrogen production by reacting carbon monoxide with steam in the presence of iron chromate is called the water-gas shift reaction.

Topic: Chemistry, Hydrogen, NEET
What is the name of the product formed when the carboxyl group of one amino acid combines with the amino group of another?

Options:
A Polysaccharide
B Polypeptide
C Dipeptide
D Nucleotide

The correct answer is:
Dipeptide

Solution:
The product of this reaction when the carboxyl group of one amino acid combines with the amino group of another is called a dipeptide.

Topic: Chemistry, Biomolecules, NEET
What is the name of the purification technique based on the principle mentioned in the paragraph?

Options:
A Distillation
B Crystallization
C Sublimation
D Evaporation

The correct answer is:
Sublimation

Solution:
The purification technique based on the principle of some solids changing directly from solid to vapor state is known as sublimation.

Topic: Chemistry, General Organic Chemistry, NEET
What is the name of the reaction in which acyl chloride is hydrogenated with palladium on barium sulphate?

Options:
A Fischer esterification
B Friedel-Crafts acylation
C Rosenmund reduction
D Grignard reaction

The correct answer is:
Rosenmund reduction

Solution:
The reaction in which acyl chloride is hydrogenated with palladium on barium sulphate is called Rosenmund reduction.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What is the name of the reaction in which alkali metal salts of carboxylic acids undergo electrolysis to form hydrocarbons?

Options:
A Kolbe synthesis
B Fischer esterification
C Grignard reaction
D Friedel-Crafts acylation

The correct answer is:
Kolbe synthesis

Solution:
The reaction in which alkali metal salts of carboxylic acids undergo electrolysis to form hydrocarbons is known as Kolbe synthesis or Kolbe electrolysis.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What is the name of the reaction in which carboxylic acids with an α-hydrogen are halogenated to form α-halocarboxylic acids?

Options:
A Friedel-Crafts acylation
B Hell-Volhard-Zelinsky reaction
C Cannizzaro reaction
D Fischer esterification

The correct answer is:
Hell-Volhard-Zelinsky reaction

Solution:
The reaction in which carboxylic acids with an α-hydrogen are halogenated to form α-halocarboxylic acids is known as the Hell-Volhard-Zelinsky reaction.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What is the name of the reaction in which n-alkanes are dehydrogenated and cyclized to form benzene and its homologues in the presence of vanadium, molybdenum, or chromium oxides?

Options:
A Hydrogenation
B Dehydrocyclization
C Alkylation
D Halogenation

The correct answer is:
Dehydrocyclization

Solution:
The process in which n-alkanes are dehydrogenated and cyclized to form benzene and its homologues is known as dehydrocyclization.

Topic: Chemistry, Hydrocarbons, NEET
What is the name of the reaction mentioned in the paragraph for the preparation of benzaldehyde from benzene or its derivatives?

Options:
A Friedel-Crafts acylation reaction
B Gatterman-Koch reaction
C Williamson ether synthesis
D Cannizzaro reaction

The correct answer is:
Gatterman-Koch reaction

Solution:
The paragraph discusses the Gatterman-Koch reaction as the method for preparing benzaldehyde from benzene or its derivatives.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What is the name of the reaction mentioned in the paragraph for the preparation of ketones from benzene or its derivatives?

Options:
A Friedel-Crafts alkylation reaction
B Friedel-Crafts acylation reaction
C Gatterman-Koch reaction
D Cannizzaro reaction

The correct answer is:
Friedel-Crafts acylation reaction

Solution:
The paragraph discusses the Friedel-Crafts acylation reaction as the method for preparing ketones from benzene or its derivatives.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What is the name of the reaction where aldehydes undergo self oxidation and reduction in the presence of concentrated alkali?

Options:
A Aldol condensation
B Cross aldol condensation
C Cannizzaro reaction
D Aldol disproportionation

The correct answer is:
Cannizzaro reaction

Solution:
The reaction in which aldehydes undergo self oxidation and reduction in the presence of concentrated alkali is known as the Cannizzaro reaction.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What is the name of the reagent used in sulphonation to replace a hydrogen atom in a ring with a sulphonic acid group?

Options:
A Oleum
B Sodium hydroxide
C Hydrochloric acid
D Benzene

The correct answer is:
Oleum

Solution:
Sulphonation is carried out by heating benzene with fuming sulphuric acid, which is commonly known as oleum.

Topic: Chemistry, Hydrocarbons, NEET
What is the name of the reduced gametophytic generation that develops from microspores in gymnosperms?

Options:
A Sporangia
B Microsporangiate
C Pollen grain
D Microsporophyll

The correct answer is:
Pollen grain

Solution:
The microspores develop into a male gametophytic generation which is highly reduced and is confined to only a limited number of cells. This reduced gametophyte is called a pollen grain.

Topic: Biology, Plant Kingdom, NEET
What is the name of the scientist who discovered the first product of CO₂ fixation in photosynthesis?

Options:
A Melvin Calvin
B Francis Crick
C Rosalind Franklin
D Watson and Crick

The correct answer is:
Melvin Calvin

Solution:
Melvin Calvin is the scientist who discovered the first product of CO₂ fixation in photosynthesis using radioactive 14C in algal photosynthesis studies. This product was identified as a 3-carbon organic acid, phosphoglyceric acid (PGA).

Topic: Biology, Photosynthesis in Higher Plants, NEET
What is the name of the scientist who disproved the idea of embryological support for evolution?

Options:
A Ernst Heckel
B Charles Darwin
C Karl Ernst von Baer
D Stephen Jay Gould

The correct answer is:
Karl Ernst von Baer

Solution:
Karl Ernst von Baer was the scientist who disproved the idea of embryological support for evolution by noting that embryos never pass through the adult stages of other animals.

Topic: Biology, Evolution, NEET
What is the name of the second layer placed above the 'A' layer in the two-dimensional hexagonal close-packed arrangement?

Options:
A Layer 'A'
B Layer 'B'
C Layer 'C'
D Layer 'D'

The correct answer is:
Layer 'B'

Solution:
The second layer placed above the 'A' layer in the two-dimensional hexagonal close-packed arrangement is referred to as Layer 'B,' as stated in the paragraph.

Topic: Chemistry, Solid State, NEET
What is the name of the sequence of events by which a cell duplicates its genome and divides into two daughter cells?

Options:
A Cell growth
B DNA replication
C Mitosis
D Cell cycle

The correct answer is:
Cell cycle

Solution:
The sequence of events by which a cell duplicates its genome, synthesises the other constituents of the cell and eventually divides into two daughter cells is termed cell cycle.

Topic: Biology, Cell Cycle and Cell Division, NEET
What is the name of the sequential event in the heart that is cyclically repeated?

Options:
A Stroke volume
B Cardiac output
C Heart rate
D Cardiac cycle

The correct answer is:
Cardiac cycle

Solution:
The sequential event in the heart that is cyclically repeated is called the cardiac cycle.

Topic: Biology, Body Fluids and Circulation, NEET
What is the name of the series that includes most of the man-made radioactive elements?

Options:
A Alkali series
B Noble gas series
C Actinoid series
D Lanthanoid series

The correct answer is:
Actinoid series

Solution:
The most of the man-made radioactive elements are part of the actinoid series.

Topic: Chemistry, Classification of Elements and Periodicity in Properties, NEET
What is the name of the small blind sac located at the beginning of the large intestine?

Options:
A Caecum
B Colon
C Rectum
D Anus

The correct answer is:
Caecum

Solution:
The large intestine consists of caecum, colon and rectum. Caecum is a small blind sac which hosts some symbiotic micro-organisms.

Topic: Biology, Digestion and Absorption, NEET
What is the name of the small projections on the upper surface of the tongue?

Options:
A Papillae
B Taste buds
C Frenulum
D Muscles

The correct answer is:
Papillae

Solution:
The upper surface of the tongue has small projections called papillae, some of which bear taste buds. Papillae are small bumps on the tongue that contain taste buds.

Topic: Biology, Digestion and Absorption, NEET
What is the name of the spherical bodies present in the interphase nucleus?

Options:
A Nuclear Matrix
B Nuclear Envelope
C Nucleolus
D Chromatin

The correct answer is:
Nucleolus

Solution:
The interphase nucleus (nucleus of a cell when it is not dividing) has highly extended and elaborate nucleoprotein fibres called chromatin, nuclear matrix and one or more spherical bodies called nucleoli (sing.: nucleolus)

Topic: Biology, Cell - The Unit of Life, NEET
What is the name of the spores produced through asexual reproduction?

Options:
A Oospores
B Ascospores
C Basidiospore
D Zoospores

The correct answer is:
Zoospores

Solution:
Asexual reproduction is by spores called conidia or sporangiospores or zoospores

Topic: Biology, Biological Classification, NEET
What is the name of the spores produced through sexual reproduction?

Options:
A Sporangiospore
B Ascospores
C Conidia
D Zoospores

The correct answer is:
Ascospores

Solution:
Sexual reproduction is by oospores, ascospores and basidiospores.

Topic: Biology, Biological Classification, NEET
What is the name of the stage in prophase I of meiosis when recombination between homologous chromosomes is completed?

Options:
A Leptotene
B Zygotene
C Pachytene
D Diakinesis

The correct answer is:
Pachytene

Solution:
During pachytene stage, recombination between homologous chromosomes is completed by the end of pachytene, leaving the chromosomes linked at the sites of crossing over.

Topic: Biology, Cell Cycle and Cell Division, NEET
What is the name of the structure formed by a pair of synapsed homologous chromosomes?

Options:
A Synaptonemal complex
B Recombination nodules
C Chiasmata
D Bivalent or tetrad

The correct answer is:
Bivalent or tetrad

Solution:
The complex formed by a pair of synapsed homologous chromosomes is called a bivalent or a tetrad. These are more clearly visible at the next stage of prophase I.

Topic: Biology, Cell Cycle and Cell Division, NEET
What is the name of the structure that attaches the tongue to the floor of the oral cavity?

Options:
A Papillae
B Taste buds
C Frenulum
D Muscles

The correct answer is:
Frenulum

Solution:
The tongue is attached to the floor of the oral cavity by the frenulum, which is a small fold of mucous membrane. The frenulum helps to keep the tongue in place during movement and speech.

Topic: Biology, Digestion and Absorption, NEET
What is the name of the structure that bears the ovules?

Options:
A Microsporangia
B Megasporangia
C Envelopes
D Megasporophylls

The correct answer is:
Megasporophylls

Solution:
The ovules are borne on megasporophylls which may be clustered to form the female cones.

Topic: Biology, Plant Kingdom, NEET
What is the name of the structure that opens into the saclike conus arteriosus on the ventral side of the heart in frogs?

Options:
A Atria
B Ventricle
C Sinus venosus
D Pericardium

The correct answer is:
Ventricle

Solution:
The ventricle opens into a saclike conus arteriosus on the ventral side of the heart, which carries the blood to all parts of the body through the arterial system.

Topic: Biology, Structural Organisation in Animals, NEET
What is the name of the structure that protects the nucellus?

Options:
A Microsporangia
B Megasporangia
C Envelopes
D Ovules

The correct answer is:
Envelopes

Solution:
The nucellus is protected by envelopes, which together with the nucellus form the structure called an ovule.

Topic: Biology, Plant Kingdom, NEET
What is the name of the structures formed during diplotene, which are recognized by the dissolution of the synaptonemal complex and the tendency of the recombined homologous chromosomes of the bivalents to separate from each other except at the sites of crossovers?

Options:
A Synaptonemal complex
B Recombination nodules
C Chiasmata
D Homologous chromosomes

The correct answer is:
Chiasmata

Solution:
The beginning of diplotene is recognised by the dissolution of the synaptonemal complex and the tendency of the recombined homologous chromosomes of the bivalents to separate from each other except at the sites of crossovers. These X-shaped structures, are called chiasmata.

Topic: Biology, Cell Cycle and Cell Division, NEET
What is the name of the theory that Sutton developed by combining the knowledge of chromosomal segregation with Mendelian principles?

Options:
A The chromosomal segregation theory of inheritance
B The genetic theory of inheritance
C The chromosomal theory of inheritance
D The segregation theory of inheritance

The correct answer is:
The chromosomal theory of inheritance

Solution:
Sutton developed the chromosomal theory of inheritance by combining the knowledge of chromosomal segregation with Mendelian principles.

Topic: Biology, Principles of Inheritance and Variation, NEET
What is the name of the tissue that lies between the xylem and phloem of Dicot root ?

Options:
A Epiblema
B Conjunctive tissue
C Endodermis
D Pericycle

The correct answer is:
Conjunctive tissue

Solution:
The parenchymatous cells which lie between the xylem and the phloem of Dicot root are called conjuctive tissue.

Topic: Biology, Anatomy of Flowering Plants, NEET
What is the name of the type of vascular bundle in which xylem and phloem are jointly situated along the same radius?

Options:
A Radial
B Closed
C Open
D Conjoint

The correct answer is:
Conjoint

Solution:
In conjoint type of vascular bundles, the xylem and phloem are jointly situated along the same radius of vascular bundles.

Topic: Biology, Anatomy of Flowering Plants, NEET
What is the name of the undifferentiated sheath in the embryonal axis of monocotyledons?

Options:
A Epicotyl
B Hypocotyl
C Coleorrhiza
D Radicle

The correct answer is:
Coleorrhiza

Solution:
The embryonal axis of monocotyledons has an undifferentiated sheath called the coleorrhiza, which encloses the radical and root cap.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET
What is the name of the U-shaped bone present at the base of the buccal cavity?

Options:
A Stapes
B Malleus
C Incus
D Hyoid

The correct answer is:
Hyoid

Solution:
A single U-shaped bone called hyoid is present at the base of the buccal cavity and is also included in the skull.

Topic: Biology, Locomotion and Movement, NEET
What is the name of the vessel that runs parallel to the Henle's loop?

Options:
A Efferent arteriole
B Vasa recta
C Peritubular capillaries
D Afferent arteriole

The correct answer is:
Vasa recta

Solution:
A minute vessel of the peritubular capillaries network runs parallel to the Henle’s loop forming a ‘U’ shaped vasa recta.

Topic: Biology, Excretory Products and their Elimination, NEET
What is the naming convention for alkyl groups derived from saturated hydrocarbons?

Options:
A They replace 'ane' in the corresponding alkane name with 'yl.'
B They replace 'ene' in the corresponding alkene name with 'yl.'
C They replace 'yne' in the corresponding alkyne name with 'yl.'
D They replace 'ol' in the corresponding alcohol name with 'yl.'

The correct answer is:
They replace 'ane' in the corresponding alkane name with 'yl.'

Solution:
Alkyl groups are named by substituting 'yl' for 'ane' in the corresponding alkane name.

Topic: Chemistry, General Organic Chemistry, NEET
What is the natural source of cytokinins?

Options:
A Root apices
B Developing shoot buds
C Young fruits
D All of the above

The correct answer is:
All of the above

Solution:
Natural cytokinins are synthesized in regions where rapid cell division occurs, for example, root apices, developing shoot buds,

Topic: Biology, Plant - Growth and Development, NEET
What is the natural source of Morphine?

Options:
A Poppy plant
B Cannabis sativa
C Fungi
D Coca Alkaloids

The correct answer is:
Poppy plant

Solution:
Morphine is extracted from the latex of the poppy plant Papaver somniferum.

Topic: Biology, Human Health and Diseases, NEET
What is the nature of a hydrogen bond compared to a covalent bond?

Options:
A Stronger
B Weaker
C Nonexistent
D Variable

The correct answer is:
Weaker

Solution:
A hydrogen bond is weaker than a covalent bond.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What is the nature of cell-walls in diatoms?

Options:
A they are indestructible
B they are easily broken down
C they are made up of calcium
D none of the above

The correct answer is:
they are indestructible

Solution:
In diatoms, cell walls are embedded with silica imparting characteristic patterns onto the walls and are indestructible.

Topic: Biology, Biological Classification, NEET
What is the nature of CrO3?

Options:
A Basic
B Covalent
C Amphoteric
D Acidic

The correct answer is:
Acidic

Solution:
Upon reaction with water CrO3 gives H2CrO4 and H2Cr2O7.Hence, it is acidic.

Topic: Chemistry, d and f Block Elements, NEET
What is the nature of interhalogen compounds?

Options:
A Ionic compounds
B Covalent molecules
C Metallic compounds
D Coordination compounds

The correct answer is:
Covalent molecules

Solution:
Interhalogen compounds are covalent molecules.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What is the nature of lyophobic colloids?

Options:
A Liquid-hating
B Liquid-loving
C Reversible
D Irreversible

The correct answer is:
Liquid-hating

Solution:
Lyophobic colloids are characterized by being liquid-hating.

Topic: Chemistry, Surface Chemistry, NEET
What is the nature of muscle fibers in the sarcoplasm?

Options:
A Organised
B Striated
C Syncitium
D Involuntary

The correct answer is:
Syncitium

Solution:
Muscle fiber is a syncitium as the sarcoplasm contains many nuclei.

Topic: Biology, Locomotion and Movement, NEET
What is the nature of nihonium?

Options:
A Non-metallic
B Metallic
C Radioactive
D Gaseous

The correct answer is:
Radioactive

Solution:
Nihonium is a synthetically prepared radioactive element.

Topic: Chemistry, p Block Elements (Group 13 & 14), NEET
What is the nature of non-metal oxides?

Options:
A Basic
B Amphoteric
C Acidic or neutral
D Metallic

The correct answer is:
Acidic or neutral

Solution:
Non-metal oxides are acidic or neutral in nature.

Topic: Chemistry, p Block Elements (Group 13 & 14), NEET
What is the nature of nylon 6,6 due to its strong intermolecular forces?

Options:
A Amorphous
B Non-crystalline
C Crystalline
D Liquid

The correct answer is:
Crystalline

Solution:
Nylon 6,6 possesses a crystalline nature due to the close packing of chains facilitated by its strong intermolecular forces.

Topic: Chemistry, Polymers, NEET
What is the nature of order in the arrangement of particles in amorphous solids?

Options:
A Long-range order
B Short-range order
C No order
D Irregular order

The correct answer is:
Short-range order

Solution:
The arrangement of particles in amorphous solids has short-range order, meaning a regularly repeating pattern is observed over short distances only, as stated in the paragraph.

Topic: Chemistry, Solid State, NEET
What is the nature of ozone?

Options:
A Gas
B Liquid
C Solid
D Amorphous

The correct answer is:
Gas

Solution:
Nature of ozone is Gaseous.

Topic: Chemistry, Environmental Chemistry, NEET
What is the nature of regulation of activities of skeletal muscles?

Options:
A Involuntary
B Voluntary
C Spontaneous
D Controlled

The correct answer is:
Voluntary

Solution:
The activities of skeletal muscles are under the voluntary control of the nervous system.

Topic: Biology, Locomotion and Movement, NEET
What is the nature of the boron-carbon bond in trialkyl boranes formed in hydroboration?

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

The correct answer is:
Polar covalent bond

Solution:
The boron-carbon bond in trialkyl boranes is a polar covalent bond.

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
What is the nature of the carbon-magnesium bond in the Grignard reagent?

Options:
A Ionic
B Covalent
C Metallic
D Hydrogen

The correct answer is:
Covalent

Solution:
The carbon-magnesium bond in the Grignard reagent is covalent.

Topic: Chemistry, Haloalkanes and Haloarenes, NEET
What is the nature of the condition of equilibrium in terms of stability?

Options:
A Unstable
B Dynamic but stable
C Static
D Constant

The correct answer is:
Dynamic but stable

Solution:
The condition of equilibrium as dynamic but stable.

Topic: Chemistry, Chemical Equilibrium, NEET
What is the nature of the equilibrium in the addition reaction of ammonia and its derivatives with aldehydes and ketones?

Options:
A Irreversible
B Reversible
C Photochemical
D Homogeneous

The correct answer is:
Reversible

Solution:
The paragraph states that the reaction is reversible, indicating that it can proceed in both the forward and reverse directions.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What is the nature of the magnesium halogen bond in the Grignard reagent?

Options:
A Covalent
B Ionic
C Metallic
D Van der Waals

The correct answer is:
Ionic

Solution:
The magnesium halogen bond in the Grignard reagent is essentially ionic.

Topic: Chemistry, Haloalkanes and Haloarenes, NEET
What is the nature of the melting points of interstitial compounds compared to pure metals?

Options:
A They have lower melting points
B They have higher melting points
C They have the same melting points
D Their melting points cannot be determined

The correct answer is:
They have higher melting points

Solution:
Interstitial compounds have high melting points, higher than those of pure metals.

Topic: Chemistry, d and f Block Elements, NEET
What is the nature of the motion of gas particles?

Options:
A Fixed and orderly
B Circular motion
C Random and in straight lines
D Spherical motion

The correct answer is:
Random and in straight lines

Solution:
The motion of gas particles as being random and in straight lines.

Topic: Chemistry, States of Matter, NEET
What is the nature of the order in the arrangement of particles in crystalline solids?

Options:
A No order
B Short-range order
C Long-range order
D Random order

The correct answer is:
Long-range order

Solution:
The nature of the order in the arrangement of particles in crystalline solids is long-range order, as stated in the paragraph.

Topic: Chemistry, Solid State, NEET
What is the nature of the oxides of aluminum and gallium?

Options:
A Acidic
B Amphoteric
C Basic
D Neutral

The correct answer is:
Amphoteric

Solution:
Aluminium and gallium oxides are amphoteric.

Topic: Chemistry, p Block Elements (Group 13 & 14), NEET
What is the nature of the oxides of indium and thallium?

Options:
A Acidic
B Amphoteric
C Basic
D Neutral

The correct answer is:
Basic

Solution:
Oxides of indium and thallium are basic in their properties.

Topic: Chemistry, p Block Elements (Group 13 & 14), NEET
What is the nature of the process of chemisorption at low temperatures?

Options:
A Exothermic and slow
B Endothermic and slow
C Exothermic and fast
D Endothermic and fast

The correct answer is:
Endothermic and slow

Solution:
The paragraph mentions that chemisorption is an exothermic process but is very slow at low temperatures due to high energy of activation.

Topic: Chemistry, Surface Chemistry, NEET