datavorous/entrance-exam-dataset huggingface dataset:
What is the key insight of Darwin's theory of natural selection?

Options:
A The process of adaptive radiation
B The process of convergent evolution
C The fact that variations that make resource utilization better for few will enable them to reproduce and leave more progeny
D The idea that evolution is driven by use and disuse of organs

The correct answer is:
The fact that variations that make resource utilization better for few will enable them to reproduce and leave more progeny

Solution:
The key insight of Darwin's theory of natural selection is that variations that make resource utilization better for a few individuals (those better adapted to the habitat) will enable them to reproduce and leave more progeny, leading to a change in population characteristics and the appearance of new forms.

Topic: Biology, Evolution, NEET
What is the key intermediate in the Kolbe's electrolytic method responsible for the formation of alkanes?

Options:
A Acetate ion
B Methyl free radical
C Hydroxide ion
D Sodium ion

The correct answer is:
Methyl free radical

Solution:
The formation of alkanes in Kolbe's electrolytic method involves the generation of methyl free radicals as key intermediates.

Topic: Chemistry, Hydrocarbons, NEET
What is the key objective of the plan for the 'Taj Trapezium' area?

Options:
A To increase the number of polluting industries
B To promote the use of coal and oil
C To reduce air pollution by switching to natural gas and liquefied petroleum gas
D To encourage the use of high-sulfur content diesel

The correct answer is:
To reduce air pollution by switching to natural gas and liquefied petroleum gas

Solution:
The key objective of the plan for the 'Taj Trapezium' area is to reduce air pollution by switching more than 2000 polluting industries to the use of natural gas or liquefied petroleum gas instead of coal or oil.

Topic: Chemistry, Environmental Chemistry, NEET
What is the key point to note about the composting method for human excreta?

Options:
A It requires water for disposal
B It is a hygienic solution
C It reduces the need for chemical fertilisers
D It is a cost-effective solution

The correct answer is:
It reduces the need for chemical fertilisers

Solution:
The key point to note about the composting method for human excreta is that it can be recycled into a resource (natural fertiliser), reducing the need for chemical fertilisers.

Topic: Biology, Environmental Issues, NEET
What is the key process in Bredig’s Arc method that produces intense heat?

Options:
A Condensation
B Dispersion
C Coagulation
D Vaporization

The correct answer is:
Vaporization

Solution:
In Bredig’s Arc method, electric arc vaporizes the metal, producing intense heat.

Topic: Chemistry, Surface Chemistry, NEET
What is the key reagent used in Gabriel synthesis for the preparation of primary amines from phthalimide?

Options:
A Ethanolic potassium hydroxide
B Phthalic anhydride
C Alkyl halide
D Sodium chloride

The correct answer is:
Alkyl halide

Solution:
Alkyl halide is used in the Gabriel synthesis to convert the potassium salt of phthalimide into the corresponding primary amine.

Topic: Chemistry, Amines, NEET
What is the key role of a catalyst in a chemical reaction?

Options:
A To change the reactants into products
B To increase the equilibrium constant
C To decrease the activation energy for the reverse reaction
D To provide a new low energy pathway for the reaction

The correct answer is:
To provide a new low energy pathway for the reaction

Solution:
The primary role of a catalyst is to make available a new low energy pathway for the conversion of reactants to products, as mentioned in the paragraph.

Topic: Chemistry, Chemical Equilibrium, NEET
What is the key strategy used by plant cells to utilise the energy released during the breakdown of glucose?

Options:
A Complete combustion of glucose
B To catabolise glucose in one step
C To catabolise glucose in several small steps
D To catabolise glucose only with the help of oxygen

The correct answer is:
To catabolise glucose in several small steps

Solution:
The plant cell utilises the energy released during the breakdown of glucose by catabolising the glucose molecule in several small steps, so that some of the energy released can be coupled to ATP synthesis.

Topic: Biology, Respiration in Plants, NEET
What is the key transformation that occurs in the Hoffmann bromamide degradation reaction?

Options:
A Elimination reaction
B Addition reaction
C Migration of an alkyl or aryl group from the carbonyl carbon to the nitrogen atom
D Substitution reaction

The correct answer is:
Migration of an alkyl or aryl group from the carbonyl carbon to the nitrogen atom

Solution:
In the Hoffmann bromamide degradation reaction, the key transformation is the migration of an alkyl or aryl group from the carbonyl carbon of the amide to the nitrogen atom, resulting in the formation of primary amines.

Topic: Chemistry, Amines, NEET
What is the kinetic energy associated with the rotation of a solid cylinder of mass 20 kg, rotating about its axis with an angular speed of 100 rad s⁻¹ and a radius of 0.25 m?

Options:
A 1250 J
B 3125 J
C 5000 J
D 10000 J

The correct answer is:
3125 J

Solution:
Correct Option is : (B)
3125 J

Topic: Chemistry, Rotational Motion, NEET
What is the kinetic energy of the maximum fraction of molecules in the kinetic energy distribution?

Options:
A The lowest kinetic energy
B The highest kinetic energy
C The average kinetic energy
D The total kinetic energy

The correct answer is:
The average kinetic energy

Solution:
The peak of the curve in the kinetic energy distribution corresponds to the kinetic energy of the maximum fraction of molecules, which is the average kinetic energy.

Topic: Chemistry, Chemical Kinetics, NEET
What is the Kingdom of fungi classified as?

Options:
A Autotrophic
B Heterotrophic
C Eukaryotic
D Prokaryotic

The correct answer is:
Heterotrophic

Solution:
The fungi constitute a unique Kingdom of heterotrophic organisms, which means they cannot produce their own food and rely on consuming other organisms for nutrition.

Topic: Biology, Biological Classification, NEET
What is the known compound for Mn in the +7 oxidation state?

Options:
A MnCl3
B MnBr3
C MnF3
D MnO3F

The correct answer is:
MnO3F

Solution:
MnO3F is known for Mn in the +7 oxidation state.

Topic: Chemistry, d and f Block Elements, NEET
What is the known effect of progesterone on ovulation?

Options:
A It promotes ovulation
B It has no effect on ovulation
C It suppresses ovulation
D It accelerates ovulation

The correct answer is:
It suppresses ovulation

Solution:
Progesterone suppresses ovulation.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What is the 'Lab-to-Land' initiative initiated by Swaminathan?

Options:
A A food security program
B A land conservation program
C A water conservation program
D A technology transfer program

The correct answer is:
A technology transfer program

Solution:
Swaminathan initiated the 'Lab-to-Land' program which involves technology transfer.

Topic: Biology, Human Health and Diseases, NEET
What is the largest charge a metal ball of 1 mm radius can hold? (Dielectric strength of air is 3×106 V m-1)

Options:
A 3 nC
B 13 nC
C 2Â nC
D 12Â nC

The correct answer is:
13 nC

Solution:
Dielectric strength means the maximum electric field which a medium can bear. Here, if field becomes more than this, then the charge will start leaking from the metal ball. So,
E=kQR2 â Q=ER2k=3Ã106Ã0.00129Ã109=13 nC

Topic: Physics, Electrostatics, NEET
What is the largest group of named species on Earth?

Options:
A Insects
B Animals
C Plants
D Fungi

The correct answer is:
Fungi

Solution:
The group Fungi has more species than all the vertebrate species combined.

Topic: Biology, Biodiversity and its Conservation, NEET
What is the largest isolated single cell?

Options:
A The egg of an ostrich
B A nerve cell
C A muscle cell
D A skin cell

The correct answer is:
The egg of an ostrich

Solution:
The largest isolated single cell is the egg of an ostrich, which can be up to 15 cm in diameter. Nerve cells are some of the longest cells, but they are not the largest in terms of diameter.

Topic: Biology, Cell - The Unit of Life, NEET
What is the last element at which the filling of the 4p orbital is complete?

Options:
A Rubidium (Rb)
B Gallium (Ga)
C Krypton (Kr)
D Lanthanum (La)

The correct answer is:
Krypton (Kr)

Solution:
"the filling of the 4p orbital... is complete at krypton (Kr)."

Topic: Chemistry, Structure of Atom, NEET
What is the lattice enthalpy of NaCl, given the equation: NaCl(s) → Na(g) + Cl(g); ∆latticeH = +788 kJ mol–1?

Options:
A +496 kJ mol–1
B +108.4 kJ mol–1
C +788 kJ mol–1
D +121 kJ mol–1

The correct answer is:
+788 kJ mol–1

Solution:
The lattice enthalpy of NaCl is +788 kJ mol–1, as indicated by the given equation.

Topic: Chemistry, Thermodynamics (C), NEET
What is the Lattice Enthalpy of NaCl?

Options:
A 1 kJ mol-1
B 78.8 kJ mol-1
C 788 kJ mol-1
D 7880 kJ mol-1

The correct answer is:
788 kJ mol-1

Solution:
The Lattice Enthalpy of NaCl is 788 kJ mol-1.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What is the layer of cells that covers the cerebral hemisphere called?

Options:
A Corpus Callosum
B Thalamus
C Hypothalamus
D Cerebral Cortex

The correct answer is:
Cerebral Cortex

Solution:
The layer of cells which covers the cerebral hemisphere is called the cerebral cortex.

Topic: Biology, Neural Control and Coordination, NEET
What is the leaving group in the formation of ethers from alcohols in nucleophilic reactions?

Options:
A Alkoxide ion (RO-)
B Hydroxide ion (OH-)
C Alkyl group (R-)
D Water molecule (H2O)

The correct answer is:
Alkyl group (R-)

Solution:
In the formation of ethers from alcohols in nucleophilic reactions, the leaving group is an alkyl group (R-).

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
What is the length of a C-C bond in a diamond?

Options:
A 54 pm
B 64 pm
C 144 pm
D 154 pm

The correct answer is:
154 pm

Solution:
The C-C bond length in a diamond as 154 pm.

Topic: Chemistry, p Block Elements (Group 13 & 14), NEET
What is the length of a codon in the genetic code?

Options:
A Single
B Double
C Triplet
D Quadruple

The correct answer is:
Triplet

Solution:
The codon is triplet, which means it is made up of three nucleotides.

Topic: Biology, Molecular Basis of Inheritance, NEET
What is the length of a Martian year in days if Phobos has a period of 7 hours and 39 minutes and orbits at an orbital radius of 9.4 × 10^3 km, assuming Earth and Mars move in circular orbits around the Sun with Mars' orbit being 1.52 times the orbital radius of Earth?

Options:
A 365 days
B 684 days
C 1.88 days
D 224.7 days

The correct answer is:
684 days

Solution:
Correct Option is : (B)
684 days

Topic: Chemistry, Gravitation, NEET
What is the length of a simple pendulum, which ticks seconds ?

Options:
A 2m
B 1.5m
C 1m
D 0.5m

The correct answer is:
1m

Solution:
Correct Option is : (C)
1m

Topic: Chemistry, Oscillations, NEET
What is the length of bacteriophage lambda?

Options:
A 5386 nucleotides
B 48502 base pairs
C 4.6 x 10⁶ base pairs
D 3.3 x 10⁹ base pairs

The correct answer is:
48502 base pairs

Solution:
Bacteriophage lambda has 48502 base pairs (bp) of DNA)

Topic: Biology, Molecular Basis of Inheritance, NEET
What is the length of DNA double helix in a typical mammalian cell?

Options:
A Approximately 10⁻⁶ m
B Approximately 0.34 nm
C Approximately 2.2 metres
D Approximately 6.6 × 10⁹ bp

The correct answer is:
Approximately 2.2 metres

Solution:
The length of DNA double helix in a typical mammalian cell is approximately 2.2 metres (by multiplying the total number of bp with distance between two consecutive bp, that is, 6.6 × 10⁹ bp × 0.34 × 10^⁻⁹ m/bp).

Topic: Biology, Molecular Basis of Inheritance, NEET
What is the length of DNA usually defined as?

Options:
A The number of nucleotides
B The number of base pairs
C The number of ribonucleotides
D The number of deoxyribonucleotides

The correct answer is:
The number of nucleotides

Solution:
The length of DNA is usually defined as the number of nucleotides (or base pairs) present in it.

Topic: Biology, Molecular Basis of Inheritance, NEET
What is the length of E. coli DNA?

Options:
A Approximately 2.2 metres
B Approximately 0.34 nm
C Approximately 1.36 mm
D Approximately 6.6 × 10⁹ bp

The correct answer is:
Approximately 1.36 mm

Solution:
The length of E. coli DNA is 1.36 mm.

Topic: Biology, Molecular Basis of Inheritance, NEET
What is the level of body organization in Aschelminthes?

Options:
A Cell-level
B Tissue-level
C Organ-system level
D None of the above

The correct answer is:
Organ-system level

Solution:
Roundworms have organ-system level of body organisation.

Topic: Biology, Animal Kingdom, NEET
What is the level of organization in cnidarians?

Options:
A Cellular
B Tissue
C Organ
D None of the above

The correct answer is:
Tissue

Solution:
Cnidarians exhibit tissue level of organization and are diploblastiC)

Topic: Biology, Animal Kingdom, NEET
What is the level of success of the VSEPR Theory in determining molecular geometry when energy differences between possible structures are very small?

Options:
A Highly successful
B Moderately successful
C Unsuccessful
D Partially successful

The correct answer is:
Highly successful

Solution:
The VSEPR Theory is quite successful in determining molecular geometry even when the energy difference between possible structures is very small.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What is the Lewis dot structure of the CO molecule?

Options:
A

B

C

D

The correct answer is:

Solution:
Correct Option is : (B)

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What is the Lewis structure of the nitrite ion (NO2–)?

Options:
A

B

C

D

The correct answer is:

Solution:
Correct Option is : (A)

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What is the life cycle of Entamoeba histolytica dependent on?

Options:
A Two hosts – human and mosquitoes
B Two hosts – human and houseflies
C Only one host – human
D Only one host – mosquitoes

The correct answer is:
Two hosts – human and houseflies

Solution:
The life cycle of Entamoeba histolytica is dependent on two hosts – human and houseflies.

Topic: Biology, Human Health and Diseases, NEET
What is the life cycle of Plasmodium dependent on?

Options:
A One host - human
B One host - mosquitoes
C Two hosts - human and mosquitoes
D None of the above

The correct answer is:
Two hosts - human and mosquitoes

Solution:
The life cycle of Plasmodium is dependent on two hosts - human and mosquitoes.

Topic: Biology, Human Health and Diseases, NEET
What is the life span of an organism?

Options:
A The period from birth to death
B The period from death to birth
C The period from birth to old age
D The period from old age to death

The correct answer is:
The period from birth to death

Solution:
The period from birth to the natural death of an organism represents its life span.

Topic: Biology, Reproduction in Organisms, NEET
What is the lifespan of RBCs in the blood?

Options:
A 6000-8000 mm⁻³
B 5-5.5 million mm⁻³
C 120 days
D 12-16 gms in 100 ml

The correct answer is:
120 days

Solution:
RBCs have an average lifespan of 120 days, after which they are destroyed in the spleen.

Topic: Biology, Body Fluids and Circulation, NEET
What is the lift force acting on a wing with an area of 2.5 m² in a wind tunnel experiment, where the flow speed on the upper surface is 70 m/s and on the lower surface is 63 m/s, assuming the density of air is 1.3 kg/m³?

Options:
A 1004.02 N
B 1102.69 N
C 1512.87 N
D 1621.55 N

The correct answer is:
1512.87 N

Solution:
Correct Option is : (C)
1512.87 N

Topic: Chemistry, Mechanical Properties of Fluids, NEET
What is the light meromyosin (LMM) component?

Options:
A Tail
B Head and short arm
C Filamentous actin
D Troponin

The correct answer is:
Tail

Solution:
The light meromyosin (LMM) component refers to the tail of a meromyosin.

Topic: Biology, Locomotion and Movement, NEET
What is the likely fate of a piece of DNA transferred into an alien organism?

Options:
A It will multiply in the progeny cells of the organism
B It will become a part of the chromosome and replicate
C It will not be able to replicate
D It will not be able to multiply

The correct answer is:
It will become a part of the chromosome and replicate

Solution:
The likely fate of a piece of DNA transferred into an alien organism is that it will become part of the chromosome and replicate. When it gets integrated into the genome of the recipient, it may multiply and be inherited along with the host DNA. This is because the alien piece of DNA has become part of a chromosome, which has the ability to replicate.

Topic: Biology, Biotechnology - Principles and Processes, NEET
What is the limbic lobe or limbic system in the brain?

Options:
A The layer of cells which covers the cerebral hemisphere
B A complex structure formed by the inner parts of cerebral hemispheres and a group of associated deep structures
C The thalamus
D The hypothalamus

The correct answer is:
A complex structure formed by the inner parts of cerebral hemispheres and a group of associated deep structures

Solution:
The limbic lobe or limbic system is a complex structure formed by the inner parts of cerebral hemispheres and a group of associated deep structures.

Topic: Biology, Neural Control and Coordination, NEET
What is the limiting factor for plant growth and productivity?

Options:
A Light
B Soil
C Water
D Nutrients

The correct answer is:
Water

Solution:
The high demand for water by plants often makes water the limiting factor for plant growth and productivity in both agricultural and natural environments. A mature corn plant can absorb almost three litres of water in a day, while a mustard plant can absorb water equal to its own weight in 5 hours.

Topic: Biology, Transport in Plants, NEET
What is the limiting value of the enthalpy of solution?

Options:
A The value in infinitely concentrated solution.
B The value in a saturated solution.
C The value in infinitely dilute solution.
D The value in a concentrated solution.

The correct answer is:
The value in infinitely dilute solution.

Solution:
The limiting value of the enthalpy of solution is the value in infinitely dilute solution, which is approached as more and more solvent is used in the process.

Topic: Chemistry, Thermodynamics (C), NEET
What is the linear velocity of a body on the surface of the earth at the equator? Given the radius of the earth is 6400 km. Period of rotation of the earth = 24 hours.

Options:
A 465 m s-1

B 165 m s-1
C 665 m s-1
D 410 m s-1

The correct answer is:
465 m s-1

Solution:
ω=2π24×60×60=7.26×10-5 rad s-1
v=rω=6400×103×7.26×10-5=465 m s-1

Topic: Physics, Laws of Motion, NEET
What is the linkage between the sugar units in lactose?

Options:
A Glycosidic bond.
B Peptide bond.
C Ionic bond.
D Hydrogen bond.

The correct answer is:
Glycosidic bond.

Solution:
The linkage between the sugar units in lactose is referred to as a glycosidic bond.

Topic: Chemistry, Biomolecules, NEET
What is the linkage formed between nitrogenous base and OH of 1'C pentose sugar?

Options:
A Phosphoester linkage
B N-glycosidic linkage
C 3'-5' phosphodiester linkage
D 3'-5' N-glycosidic linkage

The correct answer is:
N-glycosidic linkage

Solution:
A nitrogenous base is linked to the OH of 1'C pentose sugar through an N-glycosidic linkage to form a nucleoside.

Topic: Biology, Molecular Basis of Inheritance, NEET
What is the linkage formed between two nucleotides?

Options:
A Phosphoester linkage
B N-glycosidic linkage
C 3'-5' phosphodiester linkage
D 3'-5' N-glycosidic linkage

The correct answer is:
3'-5' phosphodiester linkage

Solution:
Two nucleotides are linked through 3'-5' phosphodiester linkage to form a dinucleotide.

Topic: Biology, Molecular Basis of Inheritance, NEET
What is the location of adrenal glands in the human body?

Options:
A In the abdomen
B Behind the liver
C Anterior part of each kidney
D Posterior part of each kidney

The correct answer is:
Anterior part of each kidney

Solution:
Our body has one pair of adrenal glands, one at the anterior part of each kidney.

Topic: Biology, Chemical Coordination and Integration, NEET
What is the location of testes in male individuals?

Options:
A Scrotal sac
B Ovary
C Uterus
D Prostate gland

The correct answer is:
Scrotal sac

Solution:
A pair of testes is present in the scrotal sac (outside abdomen) of male individuals.

Topic: Biology, Chemical Coordination and Integration, NEET
What is the location of the pericycle in a dicot stem?

Options:
A Outermost layer
B Innermost layer
C Between the epidermis and the cortex
D Between the endodermis and the phloem

The correct answer is:
Between the endodermis and the phloem

Solution:
The pericycle is present on the inner side of the endodermis and above the phloem in the form of semi-lunar patches of sclerenchyma.

Topic: Biology, Anatomy of Flowering Plants, NEET
What is the location of the phase of elongation in the period of growth?

Options:
A Meristematic
B Maturation
C Proximal to the meristematic zone
D At the root apex

The correct answer is:
Proximal to the meristematic zone

Solution:
The phase of elongation is described in the paragraph as being located proximal to the meristematic zone.

Topic: Biology, Plant - Growth and Development, NEET
What is the location of the pituitary gland?

Options:
A In the bony cavity called sella turcica
B In the cervical region
C In the thoracic region
D In the abdominal cavity

The correct answer is:
In the bony cavity called sella turcica

Solution:
The pituitary gland is located in a bony cavity called sella tursicA)

Topic: Biology, Chemical Coordination and Integration, NEET
What is the location of the thymus gland?

Options:
A Behind the pancreas
B Between the lungs behind the sternum
C Above the kidneys
D In front of the heart

The correct answer is:
Between the lungs behind the sternum

Solution:
The thymus gland is a lobular structure located between the lungs behind the sternum on the ventral side of the aorta.

Topic: Biology, Chemical Coordination and Integration, NEET
What is the location of water splitting complex associated with PS II?

Options:
A Inner side of outer membrane of chloroplast
B Outer side of thylakoid membrane
C Outer side of outer membrane of chloroplast
D Inner side of thylakoid membrane

The correct answer is:
Inner side of thylakoid membrane

Solution:
The splitting of water is associated with the PSII and takes place on the inner side of the membrane, the protons or hydrogen ions that are produced by the splitting of water accumulate within the lumen of the thylakoids. This also creates oxygen, one of the net product of photosynthesis. The accumulation of protons in lumen of thylakoids generates proton gradient which is responsible for generating ATP.

Topic: Biology, Photosynthesis in Higher Plants, NEET
What is the location of water splitting in photosynthesis?

Options:
A Stroma lamellae
B Grana
C Lumen of thylakoids
D Intermembrane space of mitochondria

The correct answer is:
Lumen of thylakoids

Solution:
The splitting of water takes place on the inner side of the thylakoid membrane, causing the protons produced to accumulate within the lumen.

Topic: Biology, Photosynthesis in Higher Plants, NEET
What is the logistic growth model?

Options:
A A population growth model in a habitat with unlimited resources
B A population growth model in a habitat with limited resources
C A population growth model with no restrictions on growth
D A population growth model with no relation to resources

The correct answer is:
A population growth model in a habitat with limited resources

Solution:
The logistic growth model is a population growth model in a habitat with limited resources. It describes the growth of a population in a habitat where resources become limiting at some point, causing a slowdown in the growth rate of the population.

Topic: Biology, Organisms and Populations, NEET