datavorous/entrance-exam-dataset huggingface dataset:
What is incorrect regarding natural rubber?
1. It is cis polyisoprene
2. It is amorphous in nature
3. It has syndiotactic stereochemistry
4. Molecules of rubber have coiled conformation

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

The correct answer is:
1, 2, 4

Solution:
Natural Rubber is cis polyisoprene, amorphous in nature and its molecules have coiled conformation but it has isotactic stereochemistry not syndiotactic.

Topic: Chemistry, Polymers, NEET
What is India's share of the global species diversity?

Options:
A 2.4%
B 5.1%
C 8.1%
D 12%

The correct answer is:
8.1%

Solution:
India has only 2.4% of the world's land area, but its share of the global species diversity is 8.1%.

Topic: Biology, Biodiversity and its Conservation, NEET
What is infertility in couples?

Options:
A Ability to produce children
B Inability to produce children
C Inability to conceive
D None of the above

The correct answer is:
Inability to produce children

Solution:
Infertility refers to the inability of couples to produce children inspite of unprotected sexual co:habitation.

Topic: Biology, Reproductive Health, NEET
What is infertility?

Options:
A The ability to conceive or produce children
B Inability to conceive or produce children even after 2 years of unprotected sexual cohabitation
C Ability to produce children but not to conceive
D None of the above

The correct answer is:
Inability to conceive or produce children even after 2 years of unprotected sexual cohabitation

Solution:
Inability to conceive or produce children even after 2 years of unprotected sexual cohabitation is called infertility.

Topic: Biology, Reproductive Health, NEET
What is inheritance?

Options:
A The degree by which progeny differ from their parents
B The study of the variation in plants
C The process by which characters are passed on from parent to progeny
D The study of variation in humans

The correct answer is:
The process by which characters are passed on from parent to progeny

Solution:
Inheritance is the process by which characters are passed on from parent to progeny.

Topic: Biology, Principles of Inheritance and Variation, NEET
What is initiated immediately after cytokinesis in meiosis II?

Options:
A Interkinesis
B Prophase I
C Prophase II
D Anaphase I

The correct answer is:
Prophase II

Solution:
Meiosis II is initiated immediately after cytokinesis, usually before the chromosomes have fully elongated, and is initiated in the form of Prophase II.

Topic: Biology, Cell Cycle and Cell Division, NEET
What is innate immunity?

Options:
A A specific type of defense
B A non-specific type of defense
C A type of immunity obtained after birth
D A type of immunity only found in certain individuals

The correct answer is:
A non-specific type of defense

Solution:
Innate immunity is a non-specific type of defense that is present at birth and provides different types of barriers to prevent entry of foreign agents into the body.

Topic: Biology, Human Health and Diseases, NEET
What is insemination?

Options:
A The release of semen by the penis into the vagina
B The fusion of a sperm with an ovum
C The process of fertilisation
D The formation of a diploid zygote

The correct answer is:
The release of semen by the penis into the vagina

Solution:
During copulation (coitus), semen is released by the penis into the vagina (insemination).

Topic: Biology, Human Reproduction, NEET
What is insertional inactivation?

Options:
A Inactivation of the host cell.
B Inactivation of plasmid
C Inactivation of the gene for the synthesis of the enzyme.
D Inactivation of ori site

The correct answer is:
Inactivation of the gene for the synthesis of the enzyme.

Solution:
A recombinant DNA is inserted within the coding sequence of an enzyme, ß-galactosidase. This results in the inactivation of the gene for the synthesis of this enzyme, which is referred to as insertional inactivation. The presence of a chromogenic substrate gives blue coloured colonies if the plasmid in the bacteria does not have an insert. Presence of insert results into insertional inactivation of the ß-galactosidase gene and the colonies do not produce any colour, these are identified as recombinant colonies.

Topic: Biology, Biotechnology - Principles and Processes, NEET
What is Inspiratory Reserve Volume (IRV)?

Options:
A The additional volume of air a person can expire by a forceful expiration
B The volume of air a person can inspire during a normal inspiration
C The volume of air a person can inspire by a forceful inspiration
D The volume of air a person can expire during a normal expiration

The correct answer is:
The volume of air a person can inspire by a forceful inspiration

Solution:
Inspiratory Reserve Volume (IRV) is the additional volume of air a person can inspire by a forceful inspiration.

Topic: Biology, Breathing and Exchange of Gases, NEET
What is insulin?

Options:
A A protein hormone
B A steroid hormone
C A peptide hormone
D A neurotransmitter

The correct answer is:
A peptide hormone

Solution:
Insulin is a peptide hormone that plays a major role in the regulation of glucose homeostasis.

Topic: Biology, Chemical Coordination and Integration, NEET
What is insulin's effect on glycogen?

Options:
A Stimulates conversion of glycogen to glucose
B Inhibits conversion of glycogen to glucose
C Stimulates conversion of glucose to glycogen
D Inhibits conversion of glucose to glycogen

The correct answer is:
Stimulates conversion of glucose to glycogen

Solution:
Insulin stimulates conversion of glucose to glycogen in the target cells.

Topic: Biology, Chemical Coordination and Integration, NEET
What is interspecific hybridisation?

Options:
A Mating of two different species within the same genus
B Mating of animals from the same species
C Mating of two different species from different genera
D Mating of two different species within the same family

The correct answer is:
Mating of two different species within the same genus

Solution:
Inter-specific hybridisation is the mating of two different species from within the same genus.

Topic: Biology, Strategies for Enhancement in Food Production, NEET
What is inter-specific hybridization in animal breeding?

Options:
A Mating of animals of different breeds
B Mating of animals of the same breed but having no common ancestors
C Mating of animals of different species
D Mating of superior males of one breed with superior females of another breed

The correct answer is:
Mating of animals of different species

Solution:
In inter-specific hybridization, male and female animals of two different related species are mated.

Topic: Biology, Strategies for Enhancement in Food Production, NEET
What is inulin?

Options:
A A variant of starch
B A storehouse of energy in animal tissues
C A polymer of fructose
D A polymeric polysaccharide consisting of only one type of monosaccharide (glucose)

The correct answer is:
A polymer of fructose

Solution:
Inulin is defined as a polymer of fructose.

Topic: Biology, Biomolecules (B), NEET
What is involved in reducing metal oxides to metals?

Options:
A Heating with oxygen
B Heating with a reducing agent
C Cooling with a catalyst
D Boiling with water

The correct answer is:
Heating with a reducing agent

Solution:
Reduction of metal oxides to metals involves heating them with a reducing agent like carbon or CO.

Topic: Chemistry, General Principles and Processes of Isolation of Metals, NEET
What is involved in the amoeboid movement of cells in the human body?

Options:
A Pseudopodia
B Microfilaments
C Both A) and B)
D None of the above

The correct answer is:
Both A) and B)

Solution:
The amoeboid movement of cells in the human body is affected by pseudopodia formed by the streaming of protoplasm and cytoskeletal elements like microfilaments are also involved in this movement.

Topic: Biology, Locomotion and Movement, NEET
What is IUT?

Options:
A Transfer of early embryos into the uterus
B Transfer of zygote into the fallopian tube
C Transfer of gametes within the female
D None of the above

The correct answer is:
Transfer of early embryos into the uterus

Solution:
Intra uterine transfer (IUT) refers to the transfer of embryos with more than 8 blastomeres into the uterus to complete its further development.

Topic: Biology, Reproductive Health, NEET
What is jaundice caused by?

Options:
A Bacterial or viral infections
B Parasites of the intestine
C The deposit of bile pigments in the liver
D Stomach ulcers

The correct answer is:
The deposit of bile pigments in the liver

Solution:
Jaundice is caused by the deposit of bile pigments in the liver, which causes the skin and eyes to turn yellow.

Topic: Biology, Digestion and Absorption, NEET
What is juxta glomerular apparatus (JGA)?

Options:
A A special sensitive region in the Bowman’s capsule
B A special sensitive region in the distal convoluted tubule and the afferent arteriole
C A special sensitive region in the renal tubule
D A special sensitive region in the vasa recta

The correct answer is:
A special sensitive region in the distal convoluted tubule and the afferent arteriole

Solution:
JGA is a special sensitive region formed by cellular modifications in the distal convoluted tubule and the afferent arteriole at the location of their contact.

Topic: Biology, Excretory Products and their Elimination, NEET
What is kieselghur?

Options:
A A type of crystalline silica
B An amorphous form of silica
C A type of halogen
D A type of acid

The correct answer is:
An amorphous form of silica

Solution:
Kieselghur, an amorphous form of silica is used in filtration plants.

Topic: Chemistry, p Block Elements (Group 13 & 14), NEET
What is Klinefelter’s syndrome?

Options:
A One X chromosome missing
B Two X chromosomes present
C Three X chromosomes present
D Two Y chromosomes present

The correct answer is:
Two X chromosomes present

Solution:
Klinefelter’s syndrome is caused by the presence of an additional X chromosome, resulting in a karyotype of 47, XXY.

Topic: Biology, Principles of Inheritance and Variation, NEET
What is Kolbe's electrolytic method used for?

Options:
A Producing alkenes from alkanes
B Synthesizing carboxylic acids from alcohols
C Preparing alkanes with an even number of carbon atoms
D Generating aromatic compounds from benzene

The correct answer is:
Preparing alkanes with an even number of carbon atoms

Solution:
Kolbe's electrolytic method is employed to prepare alkanes with an even number of carbon atoms by electrolyzing an aqueous solution of the sodium or potassium salt of a carboxylic acid.

Topic: Chemistry, Hydrocarbons, NEET
What is Krebs' cycle also known as?

Options:
A Aerobic respiration
B Fermentation
C Alcoholic fermentation
D Lactic acid fermentation

The correct answer is:
Aerobic respiration

Solution:
Krebs' cycle is also known as aerobic respiration.

Topic: Biology, Respiration in Plants, NEET
What is Kwashiorkar caused by?

Options:
A Caloric deficiency
B Protein and caloric deficiency
C Protein deficiency
D Overconsumption of proteins

The correct answer is:
Protein deficiency

Solution:
Kwashiorkar is caused by protein deficiency unaccompanied by calorie deficiency.

Topic: Biology, Digestion and Absorption, NEET
What is Lₒ in the mathematical expression of growth rate?

Options:
A Length at time ‘zero’
B Length at time ‘t’
C Growth rate per unit time
D Elongation per unit time

The correct answer is:
Length at time ‘zero’

Solution:
Lₒ in the mathematical expression of growth rate represents the length at time ‘zero’.

Topic: Biology, Plant - Growth and Development, NEET
What is lactational amenorrhea method based on?

Options:
A On the fact that ovulation does not occur during intense lactation
B By abstaining from coitus during fertile period
C By using contraceptives
D By using withdrawal method

The correct answer is:
On the fact that ovulation does not occur during intense lactation

Solution:
Lactational amenorrhea method is based on the fact that ovulation and the cycle do not occur during the period of intense lactation following parturition.

Topic: Biology, Reproductive Health, NEET
What is lactose in the context of lac operon?

Options:
A Substrate for beta-galactosidase
B Repressor protein of lac operon
C Inducer for trp operon
D Constitutively expressed protein

The correct answer is:
Substrate for beta-galactosidase

Solution:
Lactose is the substrate for the enzyme beta-galactosidase and it regulates switching on and off of the lac operon.

Topic: Biology, Molecular Basis of Inheritance, NEET
What is lanthanoid contraction?

Options:
A Lanthanoid contraction is the phenomenon where lanthanides have the same atomic size as the elements in the preceding period of the periodic table.
B Lanthanoid contraction is the increase in atomic size as you move from top to bottom within the lanthanide series.
C Lanthanoid contraction refers to the expansion of atomic size as you move from left to right across the lanthanide series.
D Lanthanide contraction is the gradual decrease in the atomic and ionic size of lanthanoids with an increase in atomic number.

The correct answer is:
Lanthanoid contraction is the phenomenon where lanthanides have the same atomic size as the elements in the preceding period of the periodic table.

Solution:
Correct Option is : (A)
Lanthanoid contraction is the phenomenon where lanthanides have the same atomic size as the elements in the preceding period of the periodic table.

Topic: Chemistry, d and f Block Elements, NEET
What is lattice enthalpy in the context of ionic compounds?

Options:
A The enthalpy change when an ionic compound dissolves in water.
B The enthalpy change when an ionic compound forms in a chemical reaction.
C The enthalpy change when one mole of an ionic compound dissociates into its ions in the gaseous state.
D The enthalpy change when an ionic compound is heated to its melting point.

The correct answer is:
The enthalpy change when one mole of an ionic compound dissociates into its ions in the gaseous state.

Solution:
Lattice enthalpy is the enthalpy change when one mole of an ionic compound dissociates into its ions in the gaseous state.

Topic: Chemistry, Thermodynamics (C), NEET
What is leaching commonly used for in the context of ores?

Options:
A Removing impurities
B Enhancing solubility
C Increasing pressure
D Extracting soluble components

The correct answer is:
Extracting soluble components

Solution:
Leaching is employed to extract soluble components from ores.

Topic: Chemistry, General Principles and Processes of Isolation of Metals, NEET
What is leaching ?

Options:
A The accumulation of a dark coloured amorphous substance
B The release of inorganic nutrients
C The process by which water:soluble inorganic nutrients go down into the soil horizon
D The process of breaking down detritus into inorganic substances

The correct answer is:
The process by which water:soluble inorganic nutrients go down into the soil horizon

Solution:
Leaching refers to the process by which water:soluble inorganic nutrients go down into the soil horizon and get precipitated as unavailable salts.

Topic: Biology, Ecosystem, NEET
What is lecithin?

Options:
A A type of sugar
B A type of lipid
C A type of enzyme
D A type of hormone

The correct answer is:
A type of lipid

Solution:
Lecithin is a type of lipid that has phosphorous and a phosphorylated organic compound.

Topic: Biology, Biomolecules (B), NEET
What is male heterogamety?

Options:
A When males produce only one type of gamete
B When males produce two different types of gametes with the same sex chromosomes
C When males produce two different types of gametes with different sex chromosomes
D When males do not produce any gametes

The correct answer is:
When males produce two different types of gametes with different sex chromosomes

Solution:
In both XO and XY types of sex determination, males produce two different types of gametes, one with an X:chromosome and one without (in XO) or with an X:chromosome or a Y:chromosome (in XY).

Topic: Biology, Principles of Inheritance and Variation, NEET
What is Marasmus caused by?

Options:
A A deficiency of only proteins
B A deficiency of only calories
C A simultaneous deficiency of proteins and calories
D A surplus of both proteins and calories

The correct answer is:
A simultaneous deficiency of proteins and calories

Solution:
Marasmus is caused by a simultaneous deficiency of both proteins and total food calories.

Topic: Biology, Digestion and Absorption, NEET
What is meant by 2,4-DNP-derivative?

Options:
A A 2,4-DNP derivative is a type of organic acid commonly found in certain plant extracts.
B A 2,4-DNP derivative is a chemical compound with a complex aromatic ring structure.
C A 2,4-DNP derivative is a type of molecule with a branched carbon chain.
D A 2,4-DNP derivative is a class of organic compounds formed by the reaction of a ketone or aldehyde with 2,4-dinitrophenylhydrazine (2,4-DNP), resulting in the formation of a specific derivative.

The correct answer is:
A 2,4-DNP derivative is a class of organic compounds formed by the reaction of a ketone or aldehyde with 2,4-dinitrophenylhydrazine (2,4-DNP), resulting in the formation of a specific derivative.

Solution:
Correct Option is : (D)
A 2,4-DNP derivative is a class of organic compounds formed by the reaction of a ketone or aldehyde with 2,4-dinitrophenylhydrazine (2,4-DNP), resulting in the formation of a specific derivative.

Topic: Chemistry, Aldehydes and Ketones, NEET
What is meant by Acetal?

Options:
A When an aldehyde reacts with two equivalents of a monohydric alcohol in the presence of dry HCl gas, gem-dialkoxy compounds are formed, which are known as acetals
B An acetal is a type of organic acid commonly found in fruits.
C An acetal is a term used to describe a type of carbohydrate polymer.
D An acetal is a type of organic compound that contains a carbon-carbon triple bond.

The correct answer is:
When an aldehyde reacts with two equivalents of a monohydric alcohol in the presence of dry HCl gas, gem-dialkoxy compounds are formed, which are known as acetals

Solution:
Correct Option is : (A)
When an aldehyde reacts with two equivalents of a monohydric alcohol in the presence of dry HCl gas, gem-dialkoxy compounds are formed, which are known as acetals

Topic: Chemistry, Aldehydes and Ketones, NEET
What is meant by Aldol?

Options:
A An aldol is a type of organic acid found in citrus fruits.
B An aldol is a chemical compound with a six-membered ring structure.
C When an aldehyde (or ketone) having at least one α-hydrogen atom undergo a reaction in the presence of dilute alkali as catalyst to form aldol or β-hydroxyaldehydes (or ketals in case of ketones), the reaction is called aldol condensation.
D An aldol is a type of molecule with a linear carbon chain.

The correct answer is:
When an aldehyde (or ketone) having at least one α-hydrogen atom undergo a reaction in the presence of dilute alkali as catalyst to form aldol or β-hydroxyaldehydes (or ketals in case of ketones), the reaction is called aldol condensation.

Solution:
Correct Option is : (C)
When an aldehyde (or ketone) having at least one α-hydrogen atom undergo a reaction in the presence of dilute alkali as catalyst to form aldol or β-hydroxyaldehydes (or ketals in case of ketones), the reaction is called aldol condensation.

Topic: Chemistry, Aldehydes and Ketones, NEET
What is meant by autogamy?

Options:
A Occurrence of male and female sex organs on the same flower
B Germination of pollens within the anther
C Transfer of pollens from anther to the stigma within the same flower
D Transfer of pollens from one flower to another on the same plant

The correct answer is:
Transfer of pollens from anther to the stigma within the same flower

Solution:
Self-pollination or autogamy involves the transfer of pollen grains from the anther to the stigma of the same flower.
Transfer of pollens from one flower to another on the same plant is geitonogamy

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET
What is meant by contact inhibition?

Options:
A Contact with other cells promote their uncontrolled growth.
B Contact with other cells doesn't inhibits their uncontrolled growth.
C Contact with other cells inhibits their programmed cell death.
D Contact with other cells inhibits their uncontrolled growth.

The correct answer is:
Contact with other cells inhibits their uncontrolled growth.

Solution:
Contact inhibition as the word explains 'inhibition upon contact' is the property of normal cells. This mechanism regulates the cells to grow in one layer and thus uncontrolled growth is prevented. In cancerous cells this property is lost and this results in uncontrolled proliferation and tumor formation

Topic: Biology, Human Health and Diseases, NEET
What is meant by Cyanohydrin?

Options:
A Cyanohydrin is a chemical compound composed of carbon, nitrogen, and hydrogen atoms.
B Cyanohydrin is a type of molecule that contains a cyano group (-CN) and a hydroxyl group (-OH) attached to the same carbon atom.
C Cyanohydrin refers to a class of compounds formed by the substitution of a ketone or aldehyde with hydrogen cyanide (HCN).
D Cyanohydrin is a type of compound found in certain plant extracts and is used in traditional medicine.

The correct answer is:
Cyanohydrin is a type of molecule that contains a cyano group (-CN) and a hydroxyl group (-OH) attached to the same carbon atom.

Solution:
Correct Option is : (B)
Cyanohydrin is a type of molecule that contains a cyano group (-CN) and a hydroxyl group (-OH) attached to the same carbon atom.

Topic: Chemistry, Aldehydes and Ketones, NEET
What is meant by ‘demineralised’ water and how can it be obtained?

Options:
A Demineralized water is water that has a high concentration of minerals and ions, and it can be obtained through the distillation process.
B Demineralized water is water that contains no minerals or ions, and it can be obtained by adding mineral salts to distilled water.
C Demineralized water is water from which most or all minerals and ions have been removed, and it can be obtained through processes like ion exchange or reverse osmosis.
D Demineralized water is water that has a balanced concentration of minerals and ions, and it can be obtained by filtering natural water sources.

The correct answer is:
Demineralized water is water from which most or all minerals and ions have been removed, and it can be obtained through processes like ion exchange or reverse osmosis.

Solution:
Correct Option is : (C)
Demineralized water is water from which most or all minerals and ions have been removed, and it can be obtained through processes like ion exchange or reverse osmosis.

Topic: Chemistry, Hydrogen, NEET
What is meant by ‘disproportionation’ of an oxidation state?

Options:
A Disproportionation refers to the process of reducing a species from a lower oxidation state to a higher oxidation state.
B Disproportionation refers to the simultaneous oxidation and reduction of the same element in a chemical reaction.
C Disproportionation refers to the process of increasing the electron density around an atom.
D Disproportionation refers to the formation of compounds with varying oxidation states.

The correct answer is:
Disproportionation refers to the simultaneous oxidation and reduction of the same element in a chemical reaction.

Solution:
Correct Option is : (B)
Disproportionation refers to the simultaneous oxidation and reduction of the same element in a chemical reaction.

Topic: Chemistry, d and f Block Elements, NEET
What is meant by Hemiacetal?

Options:
A A hemiacetal is a type of organic compound found in certain medicinal herbs.
B A hemiacetal is a chemical compound with a saturated ring structure.
C When an aldehyde reacts with one molecule of a monohydric alcohol in presence of dry HCl gas, gem-alkoxy alcohols are formed. These are known as hemiacetals.
D A hemiacetal is a type of molecule with a branched carbon chain.

The correct answer is:
When an aldehyde reacts with one molecule of a monohydric alcohol in presence of dry HCl gas, gem-alkoxy alcohols are formed. These are known as hemiacetals.

Solution:
Correct Option is : (C)
When an aldehyde reacts with one molecule of a monohydric alcohol in presence of dry HCl gas, gem-alkoxy alcohols are formed. These are known as hemiacetals.

Topic: Chemistry, Aldehydes and Ketones, NEET