datavorous/entrance-exam-dataset huggingface dataset:
What is the role of tracheary elements in plants?

Options:
A To provide water for photosynthesis
B To supply the needed water for photosynthesis
C To aid in capillarity
D To generate forces for transpiration

The correct answer is:
To aid in capillarity

Solution:
The tracheary elements, i.e., the tracheids and vessel elements, in plants aid in capillarity.

Topic: Biology, Transport in Plants, NEET
What is the role of transition metal ions in catalysis?

Options:
A They decrease the concentration of reactants
B They increase the activation energy
C They become less effective as catalysts
D They can change their oxidation states and become more effective as catalysts

The correct answer is:
They can change their oxidation states and become more effective as catalysts

Solution:
Because the transition metal ions can change their oxidation states, they become more effective as catalysts."

Topic: Chemistry, d and f Block Elements, NEET
What is the role of tRNA in protein synthesis?

Options:
A It provides the template for mRNA
B It brings amino acids and reads the genetic code
C It plays a structural and catalytic role during translation
D None of the above

The correct answer is:
It brings amino acids and reads the genetic code

Solution:
tRNA brings amino acids and reads the genetic code in protein synthesis.

Topic: Biology, Molecular Basis of Inheritance, NEET
What is the role of tRNA in the genetic code?

Options:
A To generate the genetic code
B To bind to specific amino acids
C To form stop codons
D To create specific reading frames

The correct answer is:
To bind to specific amino acids

Solution:
tRNA serves as an adapter molecule that links the genetic code to the amino acids. It has an anticodon loop that is complementary to the code, and an amino acid acceptor end to which it binds to amino acids.

Topic: Biology, Molecular Basis of Inheritance, NEET
What is the role of troponin in the resting state actin filament?

Options:
A To activate the binding sites for myosin on actin filaments
B To mask the active binding sites for myosin on actin filaments
C To separate the "F" actins
D To regulate the interaction between "F" actins and tropomyosin

The correct answer is:
To mask the active binding sites for myosin on actin filaments

Solution:
In the resting state a subunit of troponin masks the active binding sites for myosin on the actin filaments.

Topic: Biology, Locomotion and Movement, NEET
What is the role of water in acid catalysed hydration of alkenes mechanism?

Options:
A To form a carbocation
B To act as a reducing agent
C To facilitate deprotonation
D To increase the reaction rate

The correct answer is:
To facilitate deprotonation

Solution:
In this step of the mechanism, water acts as a nucleophile to facilitate deprotonation.

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
What is the role of water in Kolbe's electrolytic method?

Options:
A It acts as a catalyst.
B It is an electrolyte.
C It serves as a source of oxygen.
D It is used to dissolve the reactants.

The correct answer is:
It is an electrolyte.

Solution:
Water is used as an electrolyte in Kolbe's electrolytic method to facilitate the conduction of electricity and the movement of ions during the electrolysis process.

Topic: Chemistry, Hydrocarbons, NEET
What is the role of water in Plant Growth and Development?

Options:
A It acts as a source of energy
B It helps in releasing metabolic energy
C It provides the medium for enzymatic activities
D It helps in cell enlargement

The correct answer is:
It helps in cell enlargement

Solution:
Water is essential for Plant Growth and Development as it helps in cell enlargement, which in turn requires water. Turgidity of cells helps in extension growth and water also provides the medium for enzymatic activities needed for growth.

Topic: Biology, Plant - Growth and Development, NEET
What is the role of water in plant growth?

Options:
A To act as a source of energy
B To help in releasing metabolic energy essential for growth activities
C To provide the medium for enzymatic activities needed for growth
D To provide turgidity for extension growth

The correct answer is:
To provide turgidity for extension growth

Solution:
Water is essential for plant growth and further development. Turgidity of cells helps in extension growth, and water also provides the medium for enzymatic activities needed for growth.

Topic: Biology, Plant - Growth and Development, NEET
What is the role of water in plants?

Options:
A It provides the medium for most substances
B It provides a place for different molecules to be suspended
C Both A) and B)
D None of the above

The correct answer is:
Both A) and B)

Solution:
Water plays a crucial role in the physiological activities of plants and provides the medium for most substances to be dissolved, as well as the protoplasm of the cells being made up of water and different molecules being suspended in it.

Topic: Biology, Transport in Plants, NEET
What is the role of water vapor in the greenhouse effect?

Options:
A It doesn't contribute to the greenhouse effect.
B It helps cool the Earth's atmosphere.
C It traps heat and contributes to the greenhouse effect.
D It absorbs and reflects solar energy.

The correct answer is:
It traps heat and contributes to the greenhouse effect.

Solution:
Water vapor is a natural greenhouse gas that traps heat in the Earth's atmosphere, contributing to the greenhouse effect.

Topic: Chemistry, Environmental Chemistry, NEET
What is the role of WHO in preventing the spread of HIV infection?

Options:
A Promoting the spread of HIV
B Ignoring the presence of HIV
C Starting programs to prevent the spread of HIV
D Neglecting the problem of HIV

The correct answer is:
Starting programs to prevent the spread of HIV

Solution:
WHO has started several programs to prevent the spread of HIV infection.

Topic: Biology, Human Health and Diseases, NEET
What is the role of zinc chloride (ZnCl2) in Lucas reagent?

Options:
A It acts as a reducing agent.
B It neutralises the acid.
C It forms a complex with alcohols.
D It provides a source of hydrogen ions (H+).

The correct answer is:
It forms a complex with alcohols.

Solution:
Zinc chloride (ZnCl2) in Lucas reagent forms a complex with alcohols, aiding in the reaction.

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
What is the role of zinc in the proteolytic enzyme carboxypeptidase?

Options:
A To form coordination bonds with the substrate.
B To serve as a co-factor.
C To be a part of the active site.
D To be an essential chemical component.

The correct answer is:
To serve as a co-factor.

Solution:
Zinc is a co-factor for the proteolytic enzyme carboxypeptidase.

Topic: Biology, Biomolecules (B), NEET
What is the role of Zn-H2O in ozonolysis?

Options:
A It forms an ozonide
B It cleaves the alkene
C It reduces the ozonide
D It generates ozone gas

The correct answer is:
It reduces the ozonide

Solution:
Zn-H2O is used in ozonolysis to reduce the ozonide, breaking it down into smaller organic molecules.

Topic: Chemistry, Hydrocarbons, NEET
What is the root association of Pinus?

Options:
A Fungal association
B Specialized roots
C Tap roots
D None of the above

The correct answer is:
Fungal association

Solution:
In some genera of gymnosperms such as Pinus, roots have fungal association in the form of mycorrhiza

Topic: Biology, Plant Kingdom, NEET
What is the root mean square (rms) current in a circuit when a pure inductor of 25.0 mH is connected to a 220 V source with a frequency of 50 Hz?

Options:
A 5.0 A
B 10.0 A
C 20.0 A
D 28.0 A

The correct answer is:
28.0 A

Solution:
Correct Option is : (D)
28.0 A

Topic: Chemistry, Alternating Current, NEET
What is the root mean square (rms) current through a light bulb rated at 100W for a 220V supply?

Options:
A 0.454A
B 2.273A
C 45.4A
D 0.022A

The correct answer is:
0.454A

Solution:
Correct Option is : (A)
0.454A

Topic: Chemistry, Alternating Current, NEET
What is the root mean square (rms) value of the current in a circuit when a 44 mH inductor is connected to a 220 V, 50 Hz AC supply?

Options:
A 15.9 A
B 12.4 A
C 8.7 A
D 20.2 A

The correct answer is:
15.9 A

Solution:
Correct Option is : (A)
15.9 A

Topic: Chemistry, Alternating Current, NEET
What is the root mean square (rms) voltage across the capacitor in a series circuit consisting of a 200 W resistor, a 15.0 mF capacitor, and a 220 V, 50 Hz AC source?

Options:
A 160.3 V
B 110.0 V
C 132.7 V
D 180.2 V

The correct answer is:
160.3 V

Solution:
Correct Option is : (A)
160.3 V

Topic: Chemistry, Alternating Current, NEET
What is the root mean square (rms) voltage of an AC supply with a peak voltage of 300 V?

Options:
A 150 V
B 212.1 V
C 2121 V
D 300 V

The correct answer is:
212.1 V

Solution:
Correct Option is : (B)
212.1 V

Topic: Chemistry, Alternating Current, NEET
What is the route of deoxygenated blood in the body?

Options:
A Pulmonary artery to lungs
B Aorta to tissues
C Venules, veins, and vena cava to right atrium
D None of the above

The correct answer is:
Venules, veins, and vena cava to right atrium

Solution:
The deoxygenated blood is collected by a system of venules, veins, and vena cava and emptied into the right atrium.

Topic: Biology, Body Fluids and Circulation, NEET
What is the route of oxygenated blood in the body?

Options:
A Pulmonary artery to lungs
B Aorta to tissues
C Pulmonary veins to left atrium
D Vena cava to right atrium

The correct answer is:
Aorta to tissues

Solution:
The oxygenated blood entering the aorta is carried by a network of arteries, arterioles and capillaries to the tissues.

Topic: Biology, Body Fluids and Circulation, NEET
What is the RQ when carbohydrates are used as substrate in respiration?

Options:
A 0.9
B Less than 1
C 1
D More than 1

The correct answer is:
1

Solution:
When carbohydrates are used as substrate in respiration and are completely oxidised, the RQ is 1, because equal amounts of CO₂ and O₂ are evolved and consumed.

Topic: Biology, Respiration in Plants, NEET
What is the RQ when fats are used as substrate in respiration?

Options:
A 0.9
B Less than 1
C 1
D More than 1

The correct answer is:
Less than 1

Solution:
When fats are used in respiration, the RQ is less than 1.

Topic: Biology, Respiration in Plants, NEET
What is the RQ when proteins are used as substrate in respiration?

Options:
A 0.9
B Less than 1
C 1
D More than 1

The correct answer is:
0.9

Solution:
When proteins are used as respiratory substrates, the RQ would be about 0.9.

Topic: Biology, Respiration in Plants, NEET
What is the saturation level for C₄ plants with regard to CO₂ concentration?

Options:
A 360 μlL⁻¹
B 450 μlL⁻¹
C 500 μlL⁻¹
D 600 μlL⁻¹

The correct answer is:
360 μlL⁻¹

Solution:
C₄ plants show saturation at about 360 μlL⁻¹

Topic: Biology, Photosynthesis in Higher Plants, NEET
What is the saturation level for C₃ plants with regard to CO₂ concentration?

Options:
A 360 μlL⁻¹
B 450 μlL⁻¹
C 500 μlL⁻¹
D 600 μlL⁻¹

The correct answer is:
450 μlL⁻¹

Solution:
Saturation is seen only beyond 450 μlL⁻¹ for C₃ plants.

Topic: Biology, Photosynthesis in Higher Plants, NEET
What is the scientific explanation for the feeling of depression?

Options:
A Depression is primarily a result of external life circumstances and stressors.
B A person suffers from depression when he has low levels of noradrenaline.
C Depression is solely a psychological response to negative thoughts and emotions.
D Depression is a normal emotional state experienced by everyone at some point.

The correct answer is:
A person suffers from depression when he has low levels of noradrenaline.

Solution:
Correct Option is : (B)
A person suffers from depression when he has low levels of noradrenaline.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What is the scientific name for human beings?

Options:
A Panthera leo
B Mangifera indica
C Solanum tuberosum
D Homo sapiens

The correct answer is:
Homo sapiens

Solution:
Human beings belong to the species sapiens which is grouped in the genus Homo. The scientific name for human beings is written as Homo sapiens.

Topic: Biology, The Living World, NEET
What is the scientific name of Lion?

Options:
A Panthera leo
B Mangifera indica
C Solanum tuberosum
D Homo sapiens

The correct answer is:
Panthera leo

Solution:
The scientific name of Lion is Panthera leo

Topic: Biology, The Living World, NEET
What is the scientific name of the mango?

Options:
A Mangifera indica
B Mango indica
C Mangifera mango
D Mango Mangifera

The correct answer is:
Mangifera indica

Solution:
The scientific name of mango is written as Mangifera indica.

Topic: Biology, The Living World, NEET
What is the scientific term for convenient categories used to study organisms?

Options:
A Taxa
B Convenient categories
C Taxonomy
D Study of organisms

The correct answer is:
Taxa

Solution:
The scientific term for the convenient categories used to study organisms is taxa.

Topic: Biology, The Living World, NEET
What is the scope of systematics?

Options:
A Identification and nomenclature
B Identification, nomenclature, and classification
C Identification and classification
D Nomenclature and classification

The correct answer is:
Identification, nomenclature, and classification

Solution:
The scope of systematics was later enlarged to include identification, nomenclature, and classification.

Topic: Biology, The Living World, NEET
What is the second component in a scientific name called?

Options:
A Specific epithet
B Genus
C Latin
D Origin

The correct answer is:
Specific epithet

Solution:
The second component in a scientific name is called a specific epithet.

Topic: Biology, The Living World, NEET
What is the second heart sound (dub) associated with?

Options:
A The closure of the tricuspid and bicuspid valves
B The closure of the semilunar valves
C The opening of the tricuspid and bicuspid valves
D The opening of the semilunar valves

The correct answer is:
The closure of the semilunar valves

Solution:
The second heart sound (dub) is associated with the closure of the semilunar valves.

Topic: Biology, Body Fluids and Circulation, NEET
What is the second largest animal phylum?

Options:
A Arthropoda
B Mollusca
C Echinodermata
D Annelida

The correct answer is:
Mollusca

Solution:
Molluscs are the second largest animal phylum.

Topic: Biology, Animal Kingdom, NEET
What is the second law of thermodynamics primarily concerned with?

Options:
A Conservation of energy
B Direction of spontaneous changes
C Heat transfer in closed systems
D Ideal gas behavior

The correct answer is:
Direction of spontaneous changes

Solution:
The second law of thermodynamics is primarily concerned with the direction of spontaneous changes.

Topic: Chemistry, Thermodynamics (C), NEET
What is the second phase of Interphase called?

Options:
A G₁ phase
B S phase
C G₂ phase
D Metaphase

The correct answer is:
G₂ phase

Solution:
The second phase of Interphase is called the G₂ phase, and it is the period of cytoplasmic growth before cell division.

Topic: Biology, Cell Cycle and Cell Division, NEET
What is the second stage of prophase I called?

Options:
A Leptotene
B Zygotene
C Pachytene
D Diakinesis

The correct answer is:
Zygotene

Solution:
The second stage of prophase I is called zygotene.

Topic: Biology, Cell Cycle and Cell Division, NEET
What is the second type of acquired immune response called?

Options:
A Antibody-mediated response
B Cell-mediated immune response
C Humoral immune response
D Interferon-mediated response

The correct answer is:
Cell-mediated immune response

Solution:
The second type of acquired immune response is called cell-mediated immune response or cell-mediated immunity (CMI).

Topic: Biology, Human Health and Diseases, NEET
What is the sedimentation coefficient (S) in Svedberg's Unit used to measure?

Options:
A The size of ribosomes
B The density of ribosomes
C The amount of RNA in ribosomes
D The shape of ribosomes

The correct answer is:
The density of ribosomes

Solution:
The sedimentation coefficient (S) in Svedberg's Unit is indirectly a measure of density and size.

Topic: Biology, Cell - The Unit of Life, NEET
What is the sense in which a magnifying glass provides angular magnification?

Options:
A By making the image larger than the object.
B By reducing the angular size of the image.
C By allowing the object to be placed closer.
D By increasing the distance between the object and the eye.

The correct answer is:
By allowing the object to be placed closer.

Solution:
Correct Option is : (C)
By allowing the object to be placed closer.

Topic: Chemistry, Ray Optics, NEET
What is the sensitivity of the DNA fingerprinting technique?

Options:
A It requires a large amount of DNA to perform the analysis
B It requires a small amount of DNA to perform the analysis
C It is not sensitive to differences in DNA sequences
D It is only applicable to monozygotic twins

The correct answer is:
It requires a small amount of DNA to perform the analysis

Solution:
The sensitivity of the DNA fingerprinting technique has been increased by the use of polymerase chain reaction (PCR), which allows for the amplification of DNA from a single cell.

Topic: Biology, Molecular Basis of Inheritance, NEET
What is the separate name and symbol given to the number of entities in 1 mol?

Options:
A Atomic mass
B Mole number
C Avogadro constant
D Isotope number

The correct answer is:
Avogadro constant

Solution:
The number of entities in 1 mol is given a separate name and symbol, which is "Avogadro constant" or "Avogadro number," denoted by NA.

Topic: Chemistry, Some Basic Concepts of Chemistry, NEET
What is the separation between the objective and eyepiece lenses in a compound microscope if a person with a normal near point (25 cm) can bring an object placed at 9.0 mm from the objective into sharp focus when using an objective lens with a focal length of 8.0 mm and an eyepiece with a focal length of 2.5 cm?

Options:
A 5.56 cm
B 9.47 cm
C 10.56 cm
D 12.5 cm

The correct answer is:
9.47 cm

Solution:
Correct Option is : (B)
9.47 cm

Topic: Chemistry, Ray Optics, NEET
What is the separation between the objective lens and the eyepiece of a small telescope in normal adjustment if the objective lens has a focal length of 140 cm and the eyepiece has a focal length of 5.0 cm?

Options:
A 145 cm
B 135 cm
C 145.5 cm
D 140 cm

The correct answer is:
145 cm

Solution:
Correct Option is : (A)
145 cm

Topic: Chemistry, Ray Optics, NEET
What is the sequence of events that results in cell division called?

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

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 seventh period (n = 7) known for?

Options:
A Filling of 6s and 7p orbitals.
B Filling of 4f and 5d orbitals.
C Filling of 7s, 5f, 6d, and 7p orbitals.
D Filling of 3d orbitals.

The correct answer is:
Filling of 7s, 5f, 6d, and 7p orbitals.

Solution:
The seventh period (n = 7) is similar to the sixth period with the successive filling up of the 7s, 5f, 6d and 7p orbitals and includes most of the man-made radioactive elements.

Topic: Chemistry, Classification of Elements and Periodicity in Properties, NEET
What is the sex determining mechanism in birds?

Options:
A XO type
B ZW type
C XX type
D XY type

The correct answer is:
ZW type

Solution:
In birds, a different mechanism of sex determination is observed, and it is called ZW type.

Topic: Biology, Principles of Inheritance and Variation, NEET
What is the sex determining mechanism in humans?

Options:
A XO type
B ZW type
C XX type
D XY type

The correct answer is:
XY type

Solution:
In humans, the sex determining mechanism is XY type.

Topic: Biology, Principles of Inheritance and Variation, NEET
What is the sex of the baby determined by?

Options:
A The mother
B The father
C The chromosomes of both parents
D The environment

The correct answer is:
The father

Solution:
The sex of the baby is determined by the father as the sperm carrying X or Y fertilizes the ovum.

Topic: Biology, Human Reproduction, NEET
What is the shape of a C60 molecule, and what is it called?

Options:
A It is a long chain molecule, and it is called a nanotube
B It is spherical, like a soccer ball, and it is called Buckminsterfullerene
C It is a cube, and it is called a diamond
D It is a sheet-like structure, and it is called graphene

The correct answer is:
It is spherical, like a soccer ball, and it is called Buckminsterfullerene

Solution:
The paragraph mentions that a C60 molecule has a shape like a soccer ball and is called Buckminsterfullerene.

Topic: Chemistry, p Block Elements (Group 13 & 14), NEET
What is the shape of a stirred-tank reactor usually?

Options:
A Square
B Cylindrical
C Triangular
D Rectangular

The correct answer is:
Cylindrical

Solution:
A stirred-tank reactor is usually cylindrical or with a curved base to facilitate the mixing of the reactor contents.

Topic: Biology, Biotechnology - Principles and Processes, NEET
What is the shape of an anther in a transverse section?

Options:
A Longitudinal
B Circular
C Four-sided (tetragonal)
D Bilobed

The correct answer is:
Four-sided (tetragonal)

Solution:
In a transverse section of an anther, the anther is a four-sided (tetragonal) structure consisting of four microsporangia.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET
What is the shape of BrF5?

Options:
A Linear
B Trigonal Bipyramidal
C Tetrahedral
D Octahedral

The correct answer is:
Trigonal Bipyramidal

Solution:
Correct Option is : (B)
Trigonal Bipyramidal

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What is the shape of carbanions?

Options:
A Distorted Linear
B Distorted tetrahedron
C Planar
D Trigonal

The correct answer is:
Distorted tetrahedron

Solution:
The structure of carbanions is a distorted tetrahedron.

Topic: Chemistry, General Organic Chemistry, NEET
What is the shape of chloroplasts in green algae?

Options:
A Discoid
B Plate-like
C Reticulate
D All of the above

The correct answer is:
All of the above

Solution:
Chloroplasts in green algae can have different shapes, including discoid, plate-like, reticulate, cup-shaped, spiral, or ribbon-shaped.

Topic: Biology, Plant Kingdom, NEET
What is the shape of ClF3?

Options:
A Linear
B Bent T-shaped
C Pentagonal pyramidal
D Square pyramidal

The correct answer is:
Bent T-shaped

Solution:
Correct Option is : 2
Bent T-shaped

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What is the shape of graph between Lambda m and c1/2̣

Options:
A Straight line
B Parabola
C Hyperbola
D Ellipse

The correct answer is:
Straight line

Solution:
Correct Option is : (A)
Straight line

Topic: Chemistry, Electrochemistry, NEET
What is the shape of Henle's loop in the renal tubule?

Options:
A Straight
B Highly Coiled
C Hairpin
D Cup-like

The correct answer is:
Hairpin

Solution:
Henle's loop is hairpin shaped in the renal tubule.

Topic: Biology, Excretory Products and their Elimination, NEET
What is the shape of IF7?

Options:
A Square pyramidal
B Pentagonal pyramidal
C Bent T-shaped
D linear

The correct answer is:
Pentagonal pyramidal

Solution:
Correct Option is : 2
Pentagonal pyramidal

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What is the shape of p-orbitals?

Options:
A Spherical
B Cylindrical
C Planar
D Consists of two lobes on either side of a plane

The correct answer is:
Consists of two lobes on either side of a plane

Solution:
P-orbitals consist of two lobes on either side of a plane, and they are not spherical in shape.

Topic: Chemistry, Structure of Atom, NEET
What is the shape of RBCs?

Options:
A Nucleated
B Biconcave
C Colored
D Ovoid

The correct answer is:
Biconcave

Solution:
RBCs are biconcave in shape, which enables them to hold a large amount of haemoglobin and increase the surface area for gas exchange.

Topic: Biology, Body Fluids and Circulation, NEET
What is the shape of red blood cells in most mammals?

Options:
A Sphere
B Biconcave
C Cylindrical
D Biconvex

The correct answer is:
Biconcave

Solution:
Red blood cells in most mammals are biconcave in shape.

Topic: Biology, Body Fluids and Circulation, NEET