datavorous/entrance-exam-dataset huggingface dataset:
What is the phenomenon called when the growing apical bud inhibits the growth of lateral (axillary) buds in most higher plants?

Options:
A Apical dominance
B Apical suppression
C Axillary inhibition
D Axillary promotion

The correct answer is:
Apical dominance

Solution:
In most higher plants, the growing apical bud inhibits the growth of the lateral (axillary) buds, a phenomenon called apical dominance.

Topic: Biology, Plant - Growth and Development, NEET
What is the phenomenon called when two or more compounds have the same molecular formula but different properties?

Options:
A Isomerism
B Polymerization
C Homomerism
D Monomerism

The correct answer is:
Isomerism

Solution:
The phenomenon of two or more compounds having the same molecular formula but different properties is known as isomerism.

Topic: Chemistry, General Organic Chemistry, NEET
What is the phenomenon in which the growing apical bud inhibits the growth of the lateral (axillary) buds called?

Options:
A Apical dominance
B Lateral inhibition
C Apical inhibition
D Lateral dominance

The correct answer is:
Apical dominance

Solution:
In most higher plants, the growing apical bud inhibits the growth of the lateral (axillary) buds, a phenomenon called apical dominance.

Topic: Biology, Plant - Growth and Development, NEET
What is the phenomenon of Amoeba dividing by multiple fission and producing many minute amoeba or pseudopodiospores called?

Options:
A Binary fission
B Mitosis
C Encystation
D Sporulation

The correct answer is:
Sporulation

Solution:
The phenomenon of Amoeba dividing by multiple fission and producing many minute amoeba or pseudopodiospores is called sporulation.

Topic: Biology, Reproduction in Organisms, NEET
What is the phenomenon of Amoeba withdrawing its pseudopodia and secretes a three-layered hard covering called?

Options:
A Binary fission
B Mitosis
C Encystation
D Unequal division

The correct answer is:
Encystation

Solution:
The phenomenon of Amoeba withdrawing its pseudopodia and secreting a three-layered hard covering is called encystation.

Topic: Biology, Reproduction in Organisms, NEET
What is the phenomenon responsible for the blue color of the sky?

Options:
A Dispersion of light
B Reflection of light
C Absorption of light
D Refraction of light

The correct answer is:
Dispersion of light

Solution:
The blue color of the sky is due to the dispersion of light by dust particles along with water suspended in the air.

Topic: Chemistry, Surface Chemistry, NEET
What is the phenotype of the bb homozygote?

Options:
A Round seeds
B Wrinkled seeds
C Large starch grains
D Small starch grains

The correct answer is:
Wrinkled seeds

Solution:
bb homozygotes produce wrinkled seeds.

Topic: Biology, Principles of Inheritance and Variation, NEET
What is the phenotype of the heterozygote?

Options:
A Round seeds
B Wrinkled seeds
C Large starch grains
D Small starch grains

The correct answer is:
Round seeds

Solution:
Heterozygotes produce round seeds.

Topic: Biology, Principles of Inheritance and Variation, NEET
What is the phenotypic character seen in the F₁ generation?

Options:
A Dwarf
B Tall
C Medium height
D Cannot be determined

The correct answer is:
Tall

Solution:
Even though the F₁ have a genotype of Tt, the phenotypic character seen is 'tall'.

Topic: Biology, Principles of Inheritance and Variation, NEET
What is the phenotypic expression of phenylketonuria?

Options:
A Mental retardation and a reduction in hair and skin pigmentation
B Only mental retardation
C Only a reduction in hair and skin pigmentation
D Increased hair and skin pigmentation

The correct answer is:
Mental retardation and a reduction in hair and skin pigmentation

Solution:
The phenotypic expression of phenylketonuria is characterised by mental retardation and a reduction in hair and skin pigmentation.

Topic: Biology, Principles of Inheritance and Variation, NEET
What is the phenotypic ratio of tall plants to TT and Tt genotypes in the F₂ generation?

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

The correct answer is:
3:1

Solution:
In the F₂ generation, 3/4th of the plants are tall, while 1/4th are tt. The genotypic ratio is 1:2:1.

Topic: Biology, Principles of Inheritance and Variation, NEET
What is the physical meaning of Λm at a given concentration?

Options:
A The concentration of ions in the solution.
B The conductance of the electrolytic solution.
C The conductivity of a specific volume of solution.
D The dissociation constant of the electrolyte.

The correct answer is:
The conductivity of a specific volume of solution.

Solution:
Λm at a given concentration represents "the conductance of one unit volume of solution kept between two platinum electrodes with unit area of cross-section and at a distance of unit length."

Topic: Chemistry, Electrochemistry, NEET
What is the physical significance of Van Der Waals parameters ‘a’ and ‘b’?

Options:
A Van Der Waals parameters 'a' and 'b' represent the atomic number and mass of the elements involved in a chemical reaction.
B 'a' and 'b' in Van Der Waals equation indicate the coefficients for pressure and volume, respectively, in a gas equation.
C The van der Waals constant 'a' represents the magnitude of intermolecular forces of attraction and the Van der Waals constant 'b' represents the effective size of the molecules.
D 'a' and 'b' are constants used to determine the speed of sound in a gas medium according to Van Der Waals' principles.

The correct answer is:
The van der Waals constant 'a' represents the magnitude of intermolecular forces of attraction and the Van der Waals constant 'b' represents the effective size of the molecules.

Solution:
Correct Option is : (C)
The van der Waals constant 'a' represents the magnitude of intermolecular forces of attraction and the Van der Waals constant 'b' represents the effective size of the molecules.

Topic: Chemistry, States of Matter, NEET
What is the physical state of all members of group 14?

Options:
A Solid
B Liquid
C Gas
D Plasma

The correct answer is:
Solid

Solution:
All members of group 14 are solids.

Topic: Chemistry, p Block Elements (Group 13 & 14), NEET
What is the physical state of ethanal (acetaldehyde) at room temperature?

Options:
A Solid
B Gas
C Volatile liquid
D Non-volatile liquid

The correct answer is:
Volatile liquid

Solution:
Ethanal (acetaldehyde) is a volatile liquid at room temperature.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What is the physical state of higher members of organic halogen compounds at room temperature?

Options:
A Gases
B Liquids
C Solids
D Vapors

The correct answer is:
Liquids

Solution:
Higher members of organic halogen compounds are liquids or solids at room temperature.

Topic: Chemistry, Haloalkanes and Haloarenes, NEET
What is the physical state of methanal (formaldehyde) at room temperature?

Options:
A Solid
B Liquid
C Gas
D Volatile liquid

The correct answer is:
Gas

Solution:
Methanal (formaldehyde) is a gas at room temperature.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What is the physical state of most aldehydes and ketones at room temperature?

Options:
A Gas
B Liquid
C Solid
D Volatile liquid

The correct answer is:
Liquid

Solution:
Most aldehydes and ketones are in a liquid state at room temperature.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What is the physical state of phenol during the reduction process with zinc dust?

Options:
A Liquid
B Solid
C Gas
D Aqueous

The correct answer is:
Gas

Solution:
Phenol is in the gaseous state when it is passed over heated zinc dust for reduction.

Topic: Chemistry, Hydrocarbons, NEET
What is the physical state of the first three members of alkynes at room temperature?

Options:
A Gases
B Liquids
C Solids
D Depends on other factors

The correct answer is:
Gases

Solution:
The first three members of alkynes (ethyne, propyne, and butyne) are gases at room temperature.

Topic: Chemistry, Hydrocarbons, NEET
What is the physical state of the hydrides formed when dihydrogen reacts with alkali metals?

Options:
A Gaseous
B Liquid
C Solid
D Vaporous

The correct answer is:
Solid

Solution:
The hydrides formed when dihydrogen reacts with alkali metals are typically in the solid state.

Topic: Chemistry, Hydrogen, NEET
What is the physical state of the next eight members of alkynes after the first three?

Options:
A Gases
B Liquids
C Solids
D Depends on other factors

The correct answer is:
Liquids

Solution:
The next eight members of alkynes after the first three are liquids at room temperature.

Topic: Chemistry, Hydrocarbons, NEET
What is the pI of glycine? The structure and pKa values are shown below.

Options:
A 2.26
B 5.97
C 3.63
D 11.94

The correct answer is:
5.97

Solution:
pI =  2.34 + 9.6 2  = 5.97

Topic: Chemistry, Biomolecules, NEET
What is the pigment responsible for photosynthesis?

Options:
A Hemoglobin
B Chlorophyll
C Vitamin B12
D Carboxypeptidase A

The correct answer is:
Chlorophyll

Solution:
Chlorophyll is the pigment responsible for photosynthesis.

Topic: Chemistry, Coordination Compounds, NEET
What is the pitch of the helix in the Double-helix structure of DNA?

Options:
A Approximately 0.34 nm
B Approximately 1.0 nm
C Approximately 3.4 nm
D Approximately 10 nm

The correct answer is:
Approximately 3.4 nm

Solution:
The pitch of the helix in the Double-helix structure of DNA is approximately 3.4 nm.

Topic: Biology, Molecular Basis of Inheritance, NEET
What is the pKa value for acetic acid, and what pH is expected for a buffer solution formed by equal molar concentrations of acetic acid and sodium acetate?

Options:
A pKa = 4.76, pH ≈ 4.76
B pKa = 7.00, pH ≈ 7.00
C pKa = 9.25, pH ≈ 9.25
D pKa = 3.00, pH ≈ 3.00

The correct answer is:
pKa = 4.76, pH ≈ 4.76

Solution:
The pKa value for acetic acid is 4.76, and the pH of a buffer solution formed by equal molar concentrations of acetic acid and sodium acetate will be around 4.76.

Topic: Chemistry, Ionic Equilibrium, NEET
What is the pKa value for ammonia, and what pH is expected for a buffer solution formed by equal molar concentrations of ammonia and ammonium chloride?

Options:
A pKa = 9.25, pH ≈ 9.25
B pKa = 4.76, pH ≈ 4.76
C pKa = 7.00, pH ≈ 7.00
D pKa = 3.00, pH ≈ 3.00

The correct answer is:
pKa = 9.25, pH ≈ 9.25

Solution:
The pKa value for ammonia is 9.25, and the pH of a buffer solution formed by equal molar concentrations of ammonia and ammonium chloride will be around 9.25.

Topic: Chemistry, Ionic Equilibrium, NEET
What is the pKa value of ethanol?

Options:
A 0.23
B 4.19
C 7.0
D 10

The correct answer is:
4.19

Solution:
The pKa value of ethanol is approximately 4.19.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What is the pKa value of phenol?

Options:
A 0.23
B 4.19
C 7.0
D 10

The correct answer is:
10

Solution:
The pKa value of phenol is approximately 10.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What is the plant body of a liverwort?

Options:
A Leafy
B Thalloid
C Woody
D Herbs

The correct answer is:
Thalloid

Solution:
The plant body of a liverwort is thalloid, for example, Marchantia.

Topic: Biology, Plant Kingdom, NEET
What is the plasma membrane called in muscle fibres?

Options:
A Fascia
B Myofilaments
C Sarcolemma
D Sarcoplasmic reticulum

The correct answer is:
Sarcolemma

Solution:
Each muscle fiber is lined by the plasma membrane called sarcolemma enclosing the sarcoplasm.

Topic: Biology, Locomotion and Movement, NEET
What is the ploidy level of Meiocyte?

Options:
A n
B 3n
C 2n
D None of the above

The correct answer is:
2n

Solution:
In diploid organisms, specialised cells called meiocytes (gamete mother cell) undergo meiosis.

Topic: Biology, Reproduction in Organisms, NEET
What is the ploidy of the cells of the microspore tetrad?

Options:
A 4
B 2
C 3
D 1

The correct answer is:
2

Solution:
The cells of the sporogenous tissue undergo meiotic divisions to form microspore tetrads, which are diploid cells.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET
What is the ploidy of the primary endosperm nucleus in dicot?

Options:
A haploid
B diploid
C tetraploid
D triploid

The correct answer is:
diploid

Solution:
The ploidy of the primary endosperm nucleus in dicot is diploid.

Topic: Biology, Plant Kingdom, NEET
What is the ploidy of the protonemal cell of a moss?

Options:
A diploid
B haploid
C triploid
D tetraploid

The correct answer is:
haploid

Solution:
The ploidy of the protonemal cell of a moss is haploid.

Topic: Biology, Plant Kingdom, NEET
What is the point at which the beam converges when a convex lens with a focal length of 20cm is placed 12cm from the point P where the beam originally converged?

Options:
A 12.5 cm from the lens on its right side.
B 15 cm from the lens on its right side.
C 7.5 cm from the lens on its right side.
D 5 cm from the lens on its right side.

The correct answer is:
7.5 cm from the lens on its right side.

Solution:
Correct Option is : (C)
7.5 cm from the lens on its right side.

Topic: Chemistry, Ray Optics, NEET
What is the point in a titration where the reductant and the oxidant are equal in terms of their mole stoichiometry called?

Options:
A Equivalence point
B Endpoint
C Half-equivalence point
D Neutralization point

The correct answer is:
Equivalence point

Solution:
The point where the reductant and the oxidant are equal in terms of their mole stoichiometry is called the equivalence point.

Topic: Chemistry, Redox Reactions, NEET
What is the point of entry for fatty acids in the respiratory pathway?

Options:
A As glucose
B As glycerol
C As acetyl CoA
D As fatty acids

The correct answer is:
As acetyl CoA

Solution:
If fatty acids were to be respired they would first be degraded to acetyl CoA and enter the pathway.

Topic: Biology, Respiration in Plants, NEET
What is the polarity of alkynes in nature?

Options:
A Highly polar
B Weakly polar
C Nonpolar
D Polarity varies with alkynes

The correct answer is:
Weakly polar

Solution:
Alkynes are weakly polar in nature.

Topic: Chemistry, Hydrocarbons, NEET
What is the polarity of the two chains in a double helix structure of DNA?

Options:
A Parallel
B Anti-parallel
C Both A) and B)
D None of the above

The correct answer is:
Anti-parallel

Solution:
The two chains in a double helix structure of DNA have anti-parallel polarity. If one chain has the polarity 5' to 3', the other has 3' to 5'.

Topic: Biology, Molecular Basis of Inheritance, NEET
What is the polarity of the two chains in the Double-helix structure of DNA?

Options:
A Parallel
B Perpendicular
C Anti-parallel
D Orthogonal

The correct answer is:
Anti-parallel

Solution:
In the Double-helix structure of DNA, the two chains have anti-parallel polarity, meaning if one chain has the polarity 5' to 3', the other has 3' to 5'.

Topic: Biology, Molecular Basis of Inheritance, NEET
What is the polydispersity index of polymer if the mass average molecular mass & number average molecular mass of a polymer are respectively 40,000 and 30,000?

Options:
A < 1
B > 1
C 1
D 0

The correct answer is:
> 1

Solution:
Average number molecular weight Mn¯=30,000
Average mass molecular weight Mw¯=40,000
Polydispersity index (PDI) =Mw¯Mn¯=40,00030,000=1.33

Topic: Chemistry, Biomolecules, NEET
What is the polymerization method for producing low-density polythene (LDP)?

Options:
A Free radical addition
B Ionic polymerization
C Condensation polymerization
D Step-growth polymerization

The correct answer is:
Free radical addition

Solution:
Low-density polythene (LDP) is obtained through free radical addition during the polymerization of ethene.

Topic: Chemistry, Polymers, NEET
What is the position of the element Z=20 in the modern periodic table?

Options:
A 4th period
B 3rd period
C 2nd period
D 1st period

The correct answer is:
4th period

Solution:
In the modern periodic table, the horizontal rows are called periods and the vertical columns, groups.

The period number indicates the value of the principal quantum numbern for the outermost or valence shell of the element.

Given, Z=20

The electronic configuration will be
20Ca=1s2 2s2 2p6 3s2 3p6 4s2

Thus, the outermost shell here has the value of principal quantum number n=4 i.e., the element will be present in the 4th period of the modern periodic table.

Topic: Chemistry, Classification of Elements and Periodicity in Properties, NEET
What is the position of the image when an object is placed 5 cm in front of a concave mirror with a radius of curvature of 15 cm?

Options:
A -7.5 cm
B 7.5 cm
C -12.5 cm
D 12.5 cm

The correct answer is:
-7.5 cm

Solution:
Correct Option is : (A)
-7.5 cm

Topic: Chemistry, Ray Optics, NEET
What is the position of the ovary in perigynous flowers?

Options:
A Superior
B Half inferior
C Inferior
D None of the above

The correct answer is:
Half inferior

Solution:
In perigynous flowers, the gynoecium is situated in the center of the flower, while the other parts are located at the rim of the thalamus. The ovary in such flowers is said to be half inferior, e.g., plum, rose, peach.

Topic: Biology, Morphology of Flowering Plants, NEET
What is the possibility of a female becoming haemophilic?

Options:
A It is highly likely
B It is moderately likely
C It is extremely rare
D It is impossible

The correct answer is:
It is impossible

Solution:
The possibility of a female becoming haemophilic is extremely rare, as the mother of such a female has to be at least a carrier, and the father should be haemophilic (which is unviable in the later stage of life).

Topic: Biology, Principles of Inheritance and Variation, NEET
What is the possible genotype of a heterozygous individual for sickle:cell anaemia?

Options:
A HbAHbA
B HbAHbS
C HbSHbS
D None of the above

The correct answer is:
HbAHbS

Solution:
Heterozygous individuals for sickle:cell anaemia have one normal allele and one mutated allele (HbAHbS), appearing apparently unaffected but as a carrier of the disease.

Topic: Biology, Principles of Inheritance and Variation, NEET
What is the possible number of stereoisomers for 2, 3-dibromobutane?

Options:
A 4
B 3
C 2
D 1

The correct answer is:
3

Solution:
The maximum number of stereoisomers are 2n where n = number of chiral centres. In this example, there are two chiral centres, but this compound also exist in 'meso form'. Hence, the number of stereoisomers of this compound =22-1=3 .

Topic: Chemistry, General Organic Chemistry, NEET
What is the possible number of stereoisomers for 2, 3-dichlorobutane?

Options:
A 1
B 2
C 3
D 4

The correct answer is:
3

Solution:
The maximum number of stereoisomers are 2n where n = number of chiral centres. In this example, there are two chiral centres, but this compound also exist in 'meso form'. Hence, the number of stereoisomers of this compound =22-1=3 .

Topic: Chemistry, General Organic Chemistry, NEET
What is the post-fertilisation stage of sexual reproduction?

Options:
A The stage before the formation of zygote
B The stage after the formation of zygote
C The stage of the fusion of the male and female gametes
D None of the above

The correct answer is:
The stage after the formation of zygote

Solution:
The post-fertilisation stage is the stage after the formation of zygote.

Topic: Biology, Reproduction in Organisms, NEET
What is the potential advantage of biocompliant solids mentioned in the paragraph?

Options:
A They are less conductive than copper.
B They can be used for surgical implants.
C They are heavier than steel.
D They are magnetic materials.

The correct answer is:
They can be used for surgical implants.

Solution:
Biocompliant solids are expected to be used for surgical implants, as mentioned in the paragraph.

Topic: Chemistry, Solid State, NEET
What is the potential at the center of a regular hexagon with sides of 10 cm, where there is a charge of 5 mC at each of its vertices?

Options:
A $5.4\times {{10}^{6}}$ V
B $0.9\times {{10}^{6}}$ V
C $2.7\times {{10}^{6}}$ V
D $9.7\times {{10}^{6}}$ V

The correct answer is:
$2.7\times {{10}^{6}}$ V

Solution:
Correct Option is : (C)
$2.7\times {{10}^{6}}$ V

Topic: Chemistry, Capacitance, NEET
What is the potential at the center of a square when a system of four particles is placed at the vertices of the square, each with side length "l"?

Options:
A Zero
B $\frac{Gm}{l}$
C $-\sqrt{2}\frac{Gm}{l}$
D $-4\sqrt{2}\frac{Gm}{l}$

The correct answer is:
$-4\sqrt{2}\frac{Gm}{l}$

Solution:
Correct Option is : (D)
$-4\sqrt{2}\frac{Gm}{l}$

Topic: Chemistry, Gravitation, NEET
What is the potential consequence of ineffective solid waste management on the environment?

Options:
A Improved air quality
B Enhanced biodiversity
C Environmental degradation
D Increased natural resource availability

The correct answer is:
Environmental degradation

Solution:
Ineffective solid waste management can lead to environmental degradation, impacting various components of the environment and causing harm.

Topic: Chemistry, Environmental Chemistry, NEET
What is the potential consequence of prolonged exposure to high levels of sulphate in drinking water?

Options:
A Liver damage
B Kidney failure
C Gastrointestinal issues
D Cardiovascular problems

The correct answer is:
Gastrointestinal issues

Solution:
Prolonged exposure to high levels of sulphate in drinking water can lead to gastrointestinal issues.

Topic: Chemistry, Environmental Chemistry, NEET
What is the potential consequence of the melting of polar ice caps due to global warming?

Options:
A Decreased sea levels
B Flooding of low-lying areas
C Increased arctic habitat
D Expansion of polar ice caps

The correct answer is:
Flooding of low-lying areas

Solution:
The melting of polar ice caps due to global warming may lead to the flooding of low-lying areas.

Topic: Chemistry, Environmental Chemistry, NEET
What is the potential effect of excessive sulphate (>500 ppm) in drinking water?

Options:
A It causes respiratory issues
B It causes a laxative effect
C It leads to skin irritation
D It causes dizziness

The correct answer is:
It causes a laxative effect

Solution:
Excessive sulphate levels in drinking water (>500 ppm) can lead to a laxative effect.

Topic: Chemistry, Environmental Chemistry, NEET
What is the potential effect of sulphate levels in drinking water exceeding 750 ppm?

Options:
A Severe skin irritation
B Kidney failure
C Cardiovascular problems
D Increased risk of cancer

The correct answer is:
Increased risk of cancer

Solution:
Extremely high levels of sulphate in drinking water (>750 ppm) may increase the risk of cancer.

Topic: Chemistry, Environmental Chemistry, NEET
What is the potential energy of a system consisting of four particles positioned at the vertices of a square with a side length of 'l'?

Options:
A 0
B $\frac{G{{m}^{2}}}{l}$
C $\frac{-2.43G{{m}^{2}}}{l}$
D $\frac{-5.41G{{m}^{2}}}{l}$

The correct answer is:
$\frac{-5.41G{{m}^{2}}}{l}$

Solution:
Correct Option is : (D)
$\frac{-5.41G{{m}^{2}}}{l}$

Topic: Chemistry, Gravitation, NEET
What is the potential harm associated with the accumulation of phosphates in water?

Options:
A Increased dissolved oxygen levels
B Enhanced algae growth
C Decreased nutrient levels
D Reduced plant population

The correct answer is:
Enhanced algae growth

Solution:
The addition of phosphates in water can lead to enhanced algae growth, which can cover the water surface, reduce oxygen concentration, and lead to detrimental effects on aquatic life.

Topic: Chemistry, Environmental Chemistry, NEET
What is the potential impact on migratory animals when large habitats are fragmented?

Options:
A Increased populations
B No impact
C Decreased populations
D No change in migratory habits

The correct answer is:
Decreased populations

Solution:
When large habitats are broken up into small fragments, mammals and birds requiring large territories and certain animals with migratory habits are badly affected, leading to population declines.

Topic: Biology, Biodiversity and its Conservation, NEET