datavorous/entrance-exam-dataset huggingface dataset:
What health risks are associated with long-term exposure to lead-contaminated water?

Options:
A Respiratory problems
B Dental issues
C Cardiovascular diseases
D Developmental and neurological problems

The correct answer is:
Developmental and neurological problems

Solution:
Long-term exposure to lead-contaminated water is associated with developmental and neurological problems, particularly in children.

Topic: Chemistry, Environmental Chemistry, NEET
What heavy metal catalysts are commonly used in the dehydrogenation method for producing aldehydes and ketones?

Options:
A Gold (Au)
B Silver (Ag) or Copper (Cu)
C Iron (Fe)
D Platinum (Pt)

The correct answer is:
Silver (Ag) or Copper (Cu)

Solution:
According to the paragraph, heavy metal catalysts such as silver (Ag) or copper (Cu) are used in the dehydrogenation method to convert alcohols into aldehydes and ketones.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What helps in flowering?

Options:
A Cytochrome
B ABA
C Phytochrome
D Ethylene

The correct answer is:
Phytochrome

Solution:
Phytochrome is an amorphous photoreceptor protein pigment. It exists in two states, i.e., phytochrome Red (Pr) and phytochrome far-red Pfr.
It is considered that during the day, Pfr from of the phytochrome is accumulated in the plant which is inhibitory to flowering in short-day plants, but is stimulatory in long day plants.

Topic: Biology, Plant - Growth and Development, NEET
What helps in generating gradients for inspiration?

Options:
A The heart
B The lungs
C The diaphragm and intercostal muscles
D The blood vessels

The correct answer is:
The diaphragm and intercostal muscles

Solution:
The diaphragm and a specialized set of muscles - external and internal intercostals between the ribs help in generating gradients for inspiration.

Topic: Biology, Breathing and Exchange of Gases, NEET
What helps in the fertilization of the ovum?

Options:
A The middle piece
B The acrosome
C The plasma membrane
D The tail

The correct answer is:
The acrosome

Solution:
The acrosome is filled with enzymes that help fertilization of the ovum.

Topic: Biology, Human Reproduction, NEET
What helps in the movement of sperm's tail?

Options:
A The secretion of epididymis, vas deferens, seminal vesicle and prostate
B The seminal plasma
C The mitochondria in the middle piece
D The androgens

The correct answer is:
The mitochondria in the middle piece

Solution:
The middle piece possesses numerous mitochondria, which produce energy for the movement of tail that facilitate sperm motility essential for fertilization.

Topic: Biology, Human Reproduction, NEET
What holds gas molecules or atoms to the solid surface in chemical adsorption?

Options:
A Strong van der Waals’ forces
B Covalent or ionic bonds
C Hydrogen bonds
D Magnetic forces

The correct answer is:
Covalent or ionic bonds

Solution:
The paragraph mentions that when gas molecules or atoms are held to the solid surface by chemical bonds, the adsorption is termed chemical adsorption or chemisorption, and these bonds may be covalent or ionic in nature.

Topic: Chemistry, Surface Chemistry, NEET
What holds molecules of liquids together?

Options:
A Strong chemical bonds
B Repulsive intermolecular forces
C Attractive intermolecular forces
D Gravitational forces

The correct answer is:
Attractive intermolecular forces

Solution:
Molecules of liquids are held together by attractive intermolecular forces.

Topic: Chemistry, States of Matter, NEET
What holds the atoms or molecules together in non-polar molecular solids?

Options:
A Strong covalent bonds
B Metallic bonds
C Weak dispersion forces or London forces
D Ionic bonds

The correct answer is:
Weak dispersion forces or London forces

Solution:
In non-polar molecular solids, the atoms or molecules are held together by weak dispersion forces or London forces, as mentioned in the paragraph.

Topic: Chemistry, Solid State, NEET
What holds the closely and slowly moving molecules of a gas together, leading to liquifaction?

Options:
A Increased pressure.
B Heating.
C Cooling.
D Intermolecular interactions.

The correct answer is:
Intermolecular interactions.

Solution:
Intermolecular interactions may hold the closely and slowly moving molecules together, leading to the liquifaction of a gas.

Topic: Chemistry, States of Matter, NEET
What holds the electrons and the nucleus together in Rutherford's atomic model?

Options:
A Gravitational forces
B Magnetic forces
C Electrostatic forces of attraction
D Nuclear forces

The correct answer is:
Electrostatic forces of attraction

Solution:
In Rutherford's atomic model, electrons and the nucleus are held together by electrostatic forces of attraction.

Topic: Chemistry, Structure of Atom, NEET
What holds the layers of graphite together?

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

The correct answer is:
Van der Waals forces

Solution:
The layers of graphite are held together by van der Waals forces.

Topic: Chemistry, p Block Elements (Group 13 & 14), NEET
What holds together the cations and anions in ionic compounds in the crystalline state?

Options:
A Covalent bonds
B Coulombic interaction energies
C Hydrogen bonds
D Metallic bonds

The correct answer is:
Coulombic interaction energies

Solution:
The cations and anions in ionic compounds in the crystalline state are held together by coulombic interaction energies.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What holds together the positive ions in metals in an orderly collection?

Options:
A Covalent bonds
B Ionic bonds
C Metallic bonds
D Hydrogen bonds

The correct answer is:
Metallic bonds

Solution:
Metallic bonds hold together the positive ions in metals in an orderly collection, as mentioned in the paragraph.

Topic: Chemistry, Solid State, NEET
What hormone does FSH regulate in females?

Options:
A Thyroid hormones
B Androgens
C Ovarian follicles
D Melanin pigmentation

The correct answer is:
Ovarian follicles

Solution:
FSH stimulates growth and development of the ovarian follicles in females.

Topic: Biology, Chemical Coordination and Integration, NEET
What hormone does the pars intermedia region of pituitary gland secrete?

Options:
A Growth hormone (GH)
B Prolactin (PRL)
C Melanocyte stimulating hormone (MSH)
D None of the above

The correct answer is:
Melanocyte stimulating hormone (MSH)

Solution:
Pars intermedia region of the pituitary gland secretes only one hormone called melanocyte stimulating hormone (MSH).

Topic: Biology, Chemical Coordination and Integration, NEET
What hormone is produced by the adrenal medulla?

Options:
A Cortisol
B Aldosterone
C Adrenaline
D Thymosin

The correct answer is:
Adrenaline

Solution:
The adrenal medulla secretes two hormones called adrenaline or epinephrine and noradrenaline or norepinephrine. These are commonly called as catecholamines.

Topic: Biology, Chemical Coordination and Integration, NEET
What hormone is released by the JGA cells in response to a fall in GFR?

Options:
A Atrial Natriuretic Factor (ANF)
B Aldosterone
C Renin
D Angiotensin II

The correct answer is:
Renin

Solution:
A fall in GFR can activate the JGA cells to release renin, which converts angiotensinogen to angiotensin I and further to angiotensin II.

Topic: Biology, Excretory Products and their Elimination, NEET
What hormone is responsible for stimulating the secretion of gonadotropins?

Options:
A GnRH
B LH
C FSH
D Androgens

The correct answer is:
GnRH

Solution:
GnRH is responsible for stimulating the secretion of two gonadotropins, LH and FSH, in the anterior

Topic: Biology, Human Reproduction, NEET
What hormone is responsible for the stimulation of spermatogenesis?

Options:
A GnRH
B LH
C FSH
D Androgens

The correct answer is:
Androgens

Solution:
Androgens are responsible for the stimulation of spermatogenesis as they are secreted in response to LH stimulation.

Topic: Biology, Human Reproduction, NEET
What hormone is secreted by the atrial wall of the heart?

Options:
A Atrial natriuretic factor (ANF)
B Erythropoietin
C Gastrin
D Secretin

The correct answer is:
Atrial natriuretic factor (ANF)

Solution:
Atrial natriuretic factor (ANF) is a hormone secreted by the atrial wall of the heart, which decreases blood pressure by causing dilation of blood vessels.

Topic: Biology, Chemical Coordination and Integration, NEET
What hormone plays a significant role in calcium balance in the body along with TCT?

Options:
A Insulin
B Glucagon
C Parathyroid hormone (PTH)
D Thyroxine

The correct answer is:
Parathyroid hormone (PTH)

Solution:
Along with TCT, PTH plays a significant role in calcium balance in the body. It increases the blood calcium levels by acting on bones and stimulating the process of bone resorption (dissolution/ demineralisation), stimulating reabsorption of Ca²⁺ by the renal tubules and increasing Ca2+ absorption from the digested food.

Topic: Biology, Chemical Coordination and Integration, NEET
What hormone regulates the growth of the mammary glands and the formation of milk?

Options:
A Growth Hormone (GH)
B Prolactin (PRL)
C Thyroid Stimulating Hormone (TSH)
D Adrenocorticotrophic Hormone (ACTH)

The correct answer is:
Prolactin (PRL)

Solution:
Prolactin regulates the growth of the mammary glands and formation of milk in them.

Topic: Biology, Chemical Coordination and Integration, NEET
What hormone regulates the water reabsorption in the kidneys?

Options:
A Renin
B Antidiuretic hormone (ADH)
C Glucagon
D Insulin

The correct answer is:
Antidiuretic hormone (ADH)

Solution:
ADH regulates the water reabsorption in the kidneys by facilitating water reabsorption from latter parts of the tubule, preventing diuresis.

Topic: Biology, Excretory Products and their Elimination, NEET
What hormone stimulates erythropoiesis (formation of RBC)?

Options:
A Atrial natriuretic factor (ANF)
B Erythropoietin
C Gastrin
D Secretin

The correct answer is:
Erythropoietin

Solution:
Erythropoietin is a hormone produced by the juxtaglomerular cells of the kidney, which stimulates erythropoiesis (formation of RBC).

Topic: Biology, Chemical Coordination and Integration, NEET
What hormone stimulates the synthesis and secretion of steroid hormones called glucocorticoids from the adrenal cortex?

Options:
A Growth Hormone (GH)
B Prolactin (PRL)
C Thyroid Stimulating Hormone (TSH)
D Adrenocorticotrophic Hormone (ACTH)

The correct answer is:
Adrenocorticotrophic Hormone (ACTH)

Solution:
ACTH stimulates the synthesis and secretion of steroid hormones called glucocorticoids from the adrenal cortex.

Topic: Biology, Chemical Coordination and Integration, NEET
What idea was necessary to resolve the dilemma posed by the dual behavior of light?

Options:
A Light has no particle-like properties.
B Light has no wave-like properties.
C Light possesses both particle and wave-like properties.
D Light behaves as a particle only.

The correct answer is:
Light possesses both particle and wave-like properties.

Solution:
To resolve the dilemma posed by the dual behavior of light, scientists had to accept the idea that light possesses both particle and wave-like properties.

Topic: Chemistry, Structure of Atom, NEET
What important difference between lone pairs and bonding pairs of electrons did Nyholm and Gillespie explain?

Options:
A Bonding pairs are localized on the central atom.
B Bonding pairs occupy more space than lone pairs.
C Lone pairs are shared between two atoms.
D Lone pairs have greater repulsion than bonding pairs.

The correct answer is:
Bonding pairs occupy more space than lone pairs.

Solution:
Nyholm and Gillespie explained that bonding pairs of electrons occupy more space compared to lone pairs of electrons.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What impurities are found in smaller amounts in the iron obtained from the Blast furnace?

Options:
A Nitrogen and Oxygen
B Sulphur, Phosphorus, Silicon, and Manganese
C Zinc and Copper
D Nickel and Chromium

The correct answer is:
Sulphur, Phosphorus, Silicon, and Manganese

Solution:
The iron obtained from the Blast furnace contains smaller amounts of impurities like sulphur, phosphorus, silicon, and manganese.

Topic: Chemistry, General Principles and Processes of Isolation of Metals, NEET
What impurities are typically found in bauxite ore?

Options:
A SiO2, iron oxides, and TiO2
B Fe2O3, Al2O3, and SiO2
C FeSO4, Al(OH)3, and TiCl4
D SiO3, Fe3O4, and TiO3

The correct answer is:
SiO2, iron oxides, and TiO2

Solution:
Bauxite ore usually contains impurities like SiO2, iron oxides, and titanium oxide (TiO2).

Topic: Chemistry, General Principles and Processes of Isolation of Metals, NEET
What increases the rate of heart beat and the strength of ventricular contraction?

Options:
A Autonomic nervous system
B Adrenal medullary hormones
C Parasympathetic neural signals
D Sympathetic nerves

The correct answer is:
Sympathetic nerves

Solution:
Neural signals through the sympathetic nerves (part of ANS) can increase the rate of heart beat, the strength of ventricular contraction and thereby the cardiac output.

Topic: Biology, Body Fluids and Circulation, NEET
What indicates 'A' in the figure below?

Options:
A Pollen grains
B Pollen sacs
C Generative cell
D Vacuoles

The correct answer is:
Pollen grains

Solution:
Given is the image of the transverse section of Anther and each lobe of anther contains two pollen sacs. Each pollen sac produces pollen grains which are released by dehiscence of the anther.
In the given image the label A is pollen grains which are ready to be released for pollination.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET
What industry commonly reuses fly ash and slag from the steel industry?

Options:
A Agriculture
B Construction
C Electronics
D Food and beverage

The correct answer is:
Construction

Solution:
The construction industry often reuses fly ash and slag from the steel industry as supplementary materials in various construction applications.

Topic: Chemistry, Environmental Chemistry, NEET
What industry relies on the light-sensitive properties of AgBr?

Options:
A Battery manufacturing
B Steel production
C Chemical industry
D Photographic industry

The correct answer is:
Photographic industry

Solution:
The photographic industry relies on the special light-sensitive properties of AgBr.

Topic: Chemistry, d and f Block Elements, NEET
What information can be obtained by analyzing the speed of a chemical reaction?

Options:
A The feasibility of the reaction
B The extent to which the reaction will proceed
C The change in Gibbs free energy (ΔG)
D The time taken by the reaction to reach equilibrium

The correct answer is:
The time taken by the reaction to reach equilibrium

Solution:
The speed of a reaction refers to the time taken by the reaction to reach equilibrium.

Topic: Chemistry, Chemical Kinetics, NEET
What information can be obtained from the magnetic susceptibility experiments on coordination compounds?

Options:
A The color of the compounds
B The density of the compounds
C The number of unpaired electrons
D The mass of the compounds

The correct answer is:
The number of unpaired electrons

Solution:
Magnetic susceptibility experiments provide information about the presence and number of unpaired electrons in coordination compounds.

Topic: Chemistry, Coordination Compounds, NEET
What information does a reaction mechanism provide about an organic reaction?

Options:
A The number of reactants and products
B The names of the reactants and products
C Details of electron movement, energetics, and kinetics
D The temperature at which the reaction occurs

The correct answer is:
Details of electron movement, energetics, and kinetics

Solution:
A reaction mechanism provides details of electron movement, energetics during bond cleavage and bond formation, and the rates of transformation of reactants into products (kinetics).

Topic: Chemistry, General Organic Chemistry, NEET
What information does the difference in initial and final concentrations provide in Freundlich isotherm experiments?

Options:
A The value of x
B The value of k
C The value of n
D The value of log C

The correct answer is:
The value of x

Solution:
The paragraph states that in Freundlich isotherm experiments, the difference in the initial and final concentrations provides the value of x.

Topic: Chemistry, Surface Chemistry, NEET
What information does the numerical value of an equilibrium constant provide about a reaction?

Options:
A The rate at which the reaction occurs
B The extent of the reaction
C The type of reactants involved
D The phase changes that occur

The correct answer is:
The extent of the reaction

Solution:
The numerical value of the equilibrium constant for a reaction indicates the extent of the reaction.

Topic: Chemistry, Chemical Equilibrium, NEET
What information is needed to determine the empirical formula of a compound?

Options:
A The chemical properties of the compound
B The molecular formula of the compound
C The mass percent of various elements present
D The molar mass of the compound

The correct answer is:
The mass percent of various elements present

Solution:
To determine the empirical formula of a compound, you need to know the mass percent of various elements present in the compound.

Topic: Chemistry, Some Basic Concepts of Chemistry, NEET
What initiates inspiration?

Options:
A The contraction of diaphragm
B The relaxation of diaphragm
C The contraction of internal intercostal muscles
D The relaxation of external intercostal muscles

The correct answer is:
The contraction of diaphragm

Solution:
Inspiration is initiated by the contraction of the diaphragm, which increases the volume of the thoracic chamber in the antero-posterior axis.

Topic: Biology, Breathing and Exchange of Gases, NEET
What initiates muscle contraction?

Options:
A Increase in calcium ion level
B Formation of cross-bridge between actin and myosin
C A signal sent by CNS via a motor neuron
D Breaking of ATP

The correct answer is:
A signal sent by CNS via a motor neuron

Solution:
Muscle contraction is initiated by a signal sent by the central nervous system (CNS) via a motor neuron.

Topic: Biology, Locomotion and Movement, NEET
What initiates the chain propagation in the free radical mechanism of polymerization?

Options:
A Solvent molecules
B Chain terminating agents
C Radical initiators
D Catalysts

The correct answer is:
Radical initiators

Solution:
Radical initiators, such as benzoyl peroxide or tert-butyl peroxide, initiate the chain propagation in the free radical mechanism of polymerization.

Topic: Chemistry, Polymers, NEET
What initiates the chain reaction for ozone depletion in Antarctica?

Options:
A Chlorine nitrate
B Chlorine sinks
C Chlorine radicals
D Ozone molecules

The correct answer is:
Chlorine radicals

Solution:
Chlorine radicals formed from the photolysis of HOCl and Cl2 initiate the chain reaction for ozone depletion in Antarctica.

Topic: Chemistry, Environmental Chemistry, NEET
What initiates the decision for a plant to flower?

Options:
A The formation of inflorescences
B The differentiation and development of the floral primordium
C The development of the androecium and gynoecium
D The appearance of the flower

The correct answer is:
The differentiation and development of the floral primordium

Solution:
The decision for a plant to flower is initiated by several hormonal and structural changes that lead to the differentiation and development of the floral primordium.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET
What initiates the mechanism of coagulation?

Options:
A Platelets
B Tissues
C Thrombin
D Calcium ions

The correct answer is:
Platelets

Solution:
An injury or trauma stimulates the platelets in the blood to release certain factors which activate the mechanism of coagulation.

Topic: Biology, Body Fluids and Circulation, NEET
What initiates the neural reflex for the removal of faeces from the rectum?

Options:
A Assimilation
B Egestion
C Digestion
D The presence of solidified faeces in the rectum

The correct answer is:
The presence of solidified faeces in the rectum

Solution:
The presence of solidified faeces in the rectum initiates a neural reflex causing an urge or desire for its removal.

Topic: Biology, Digestion and Absorption, NEET
What initiation and termination factors are involved in transcription in eukaryotes?

Options:
A $\sigma$ and $\rho$, respectively
B $\alpha$ and $\beta$, respectively
C $\beta$ and $\gamma$, respectively
D $\alpha$ and $\sigma$, respectively

The correct answer is:
$\sigma$ and $\rho$, respectively

Solution:
This question is not correct because out of the given initiation and termination factors, none is involved in transcription in eukaryotes. Only option (1) gives initiation and termination factors which are involved in transcription. These factors ( $\sigma$ and $\rho)$ initiate and terminate transcription in prokaryotes (not in eukaryotes). Initiation and termination factors involved in transcription in eukaryotes are General Transcription Factors (TF IIA - TF II H) and Transcription Termination Factor-1 (TTF-1), respectively.

Topic: Biology, Molecular Basis of Inheritance, NEET, NEET 2019 (Odisha)
What inspired N. Bartlett for carrying out the reaction between Xe and PtF6?

Options:
A The desire to create a new compound with noble gases.
B The observation of a similar reaction with another element.
C The need for a strong oxidizing agent.
D The hope of discovering a new element.

The correct answer is:
The observation of a similar reaction with another element.

Solution:
Correct Option is : (B)
The observation of a similar reaction with another element.

Topic: Chemistry, p Block Elements (Group 13 & 14), NEET
What instrument is used to observe the Brownian movement?

Options:
A Spectrophotometer
B Ultramicroscope
C Microscope
D Centrifuge

The correct answer is:
Ultramicroscope

Solution:
The paragraph does not specifically mention the instrument used to observe the Brownian movement. Ultramicroscopes are mentioned earlier in the text but not explicitly linked to Brownian movement observation.

Topic: Chemistry, Surface Chemistry, NEET
What ion is formed when aluminium hydroxide dissolves in excess of alkali?

Options:
A Aluminate ion, [Al(OH)4]-
B Aluminiumate ion, [Al(OH)3]-
C Aluminium hydroxylate ion, [Al(OH)2]-
D Alumide ion, [Al2(OH)3]-

The correct answer is:
Aluminate ion, [Al(OH)4]-

Solution:
Aluminium hydroxide dissolves in excess of alkali to give aluminate ion, [Al(OH)4]-.

Topic: Chemistry, s Block Elements, NEET
What ion is formed when beryllium hydroxide dissolves in excess of alkali?

Options:
A Berylliumate ion, [Be(OH)4]2-
B Beryllium oxide ion, [Be2O]2+
C Beryllium hydroxylate ion, [Be(OH)2]2-
D Beryllium peroxide ion, [Be2(O2)2]2-

The correct answer is:
Berylliumate ion, [Be(OH)4]2-

Solution:
Beryllium hydroxide dissolves in excess of alkali to give a beryllate ion, [Be(OH)4]2-.

Topic: Chemistry, s Block Elements, NEET
What ions are exchanged in the ion-exchange method for water softening using zeolite?

Options:
A Sodium ions for chloride ions
B Sodium ions for sodium ions
C Sodium ions for hardness ions (calcium and magnesium ions)
D Sodium ions for hydrogen ions

The correct answer is:
Sodium ions for hardness ions (calcium and magnesium ions)

Solution:
In the ion-exchange method using zeolite, sodium ions in zeolite are exchanged for hardness ions, which are calcium and magnesium ions present in hard water.

Topic: Chemistry, Hydrogen, NEET
What ions are exchanged with the synthetic cation exchange resin in the water softening process?

Options:
A Sodium ions for chloride ions
B Sodium ions for hydrogen ions
C Sodium ions for calcium and magnesium ions
D Sodium ions for hydroxide ions

The correct answer is:
Sodium ions for calcium and magnesium ions

Solution:
In the water softening process using synthetic cation exchange resins, sodium ions in the resin are exchanged for calcium and magnesium ions present in hard water.

Topic: Chemistry, Hydrogen, NEET
What is A and B respectively?

Options:
A Heterocyst, Mucilin
B Sheath, heterocyst
C Heterocyst, Mucilaginous sheath
D None of the above

The correct answer is:
Heterocyst, Mucilaginous sheath

Solution:
A and B respectively are Heterocyst, Mucilaginous sheath

Topic: Biology, Biological Classification, NEET