datavorous/entrance-exam-dataset huggingface dataset:
What is the principle behind the method of radioactive:dating?

Options:
A That certain isotopes of elements decay at a known rate over time
B That fossils found in different sedimentary layers are of different ages
C That new forms of life arise at different times in the history of Earth
D That the physical characteristics of fossils can be used to determine their age

The correct answer is:
That certain isotopes of elements decay at a known rate over time

Solution:
The principle behind the method of radioactive:dating is that certain isotopes of elements decay at a known rate over time, and by measuring the ratio of isotopes in a sample, scientists can determine how long it has been since the organism dieD)

Topic: Biology, Evolution, NEET
What is the principle behind thin layer chromatography (TL
C)?

Options:
A Separation of compounds based on their color
B Separation of compounds based on their boiling points
C Separation of compounds based on differential adsorption on a thin layer of adsorbent
D Separation of compounds based on their density

The correct answer is:
Separation of compounds based on differential adsorption on a thin layer of adsorbent

Solution:
Thin layer chromatography (TL

Topic: Chemistry, General Organic Chemistry, NEET
What is the principle involved in the preparation of oil gas or petrol gas from kerosene oil or petrol?

Options:
A Oxidation
B Hydrogenation
C Dehydrogenation
D Pyrolysis

The correct answer is:
Pyrolysis

Solution:
The preparation of oil gas or petrol gas from kerosene oil or petrol involves the principle of pyrolysis, where the hydrocarbons are decomposed into smaller fragments by heating.

Topic: Chemistry, Hydrocarbons, NEET
What is the principle of immunization based on?

Options:
A Antibodies produced in the body
B Inactivated pathogens
C Memory of the immune system
D Recombinant DNA technology

The correct answer is:
Memory of the immune system

Solution:
The principle of immunization or vaccination is based on the property of ‘memory’ of the immune system, where vaccines introduced into the body generate memory B and T-cells that recognise the pathogen quickly on subsequent exposure and overwhelm the invaders with a massive production of antibodies.

Topic: Biology, Human Health and Diseases, NEET
What is the principle of Natural methods for preventing pregnancy?

Options:
A By using contraceptives
B By avoiding chances of ovum and sperms meeting
C By using medicine
D By using surgical methods

The correct answer is:
By avoiding chances of ovum and sperms meeting

Solution:
Natural methods work on the principle of avoiding chances of ovum and sperms meeting.

Topic: Biology, Reproductive Health, NEET
What is the principle of natural methods for preventing unwanted pregnancy?

Options:
A By using medicines or devices
B By avoiding chances of ovum and sperms meeting
C By increasing sexual drive, desire and/or the sexual act of the user
D By increasing the population growth rate

The correct answer is:
By avoiding chances of ovum and sperms meeting

Solution:
Natural methods of preventing unwanted pregnancy work on the principle of avoiding chances of ovum and sperms meeting. This is done through techniques like periodic abstinence, withdrawal, and lactational amenorrhea, which aim to avoid fertilization and prevent conception.

Topic: Biology, Reproductive Health, NEET
What is the principle on which scientific names for plants are based?

Options:
A International Code for Botanical Nomenclature (ICBN)
B International Code of Zoological Nomenclature (ICZN)
C Taxonomy
D Identification

The correct answer is:
International Code for Botanical Nomenclature (ICBN)

Solution:
Scientific names for plants are based on agreed principles and criteria provided in International Code for Botanical Nomenclature (ICBN).

Topic: Biology, The Living World, NEET
What is the principle regarding the filling order of orbitals in atoms' ground states?

Options:
A Electrons fill orbitals randomly.
B Electrons occupy the highest energy orbitals first.
C Electrons fill orbitals in order of decreasing energy.
D Electrons fill orbitals in order of increasing energy.

The correct answer is:
Electrons fill orbitals in order of increasing energy.

Solution:
"In the ground state of the atoms, the orbitals are filled in order of their increasing energies."

Topic: Chemistry, Structure of Atom, NEET
What is the probability of a radioactive nucleus to survive one mean life:

Options:
A 1e
B 1e+1
C 1-1e
D 1+1e

The correct answer is:
1e

Solution:
NN0=e-λ×1λ=1e
Probability to survive=No. of nucleous survivedTotal no. of Nucleous
P=N0 e-⋋×1⋋N0=1e

Topic: Physics, Nuclear Physics, NEET
What is the probability of a son being colour blind if the mother is a carrier of the colour blindness gene and the father is not colour blind?

Options:
A 0%
B 25%
C 50%
D 75%

The correct answer is:
50%

Solution:
A son of a carrier mother has a 50% chance of inheriting the colour blindness gene and therefore becoming colour blind.

Topic: Biology, Principles of Inheritance and Variation, NEET
What is the probability of fertilisation of the ovum with a sperm carrying either X or Y chromosome?

Options:
A 25%
B 50%
C 75%
D 100%

The correct answer is:
50%

Solution:
There is an equal probability of fertilisation of the ovum with the sperm carrying either X or Y chromosome.

Topic: Biology, Principles of Inheritance and Variation, NEET
What is the probability of having either a male or a female child in each pregnancy?

Options:
A 25%
B 50%
C 75%
D 100%

The correct answer is:
50%

Solution:
In each pregnancy, there is always a 50 per cent probability of either a male or a female child.

Topic: Biology, Principles of Inheritance and Variation, NEET
What is the probability of production of homozygous tall offsprings in a cross between two heterozygous tall pea plants?

Options:
A Zero
B 50%
C 75%
D 100%

The correct answer is:
75%

Solution:
When heterozygous tall plants cross with each other results in the formation of four gametes in which TT, Tt, Tt, tt present. The phenotypic ratio will be 3:1 because TT represents tall, Tt represents tall and Tt also represents tall while tt represents dwarf. The genotypic ratio will be 1:2:1. So the probability of production of homozygous tall offsprings will be 75%

Topic: Biology, Principles of Inheritance and Variation, NEET
What is the probability that a gamete from a Tt plant will contain the T allele?

Options:
A 0%
B 25%
C 50%
D 75%

The correct answer is:
50%

Solution:
Since the Tt plant is heterozygous for the height gene, its gametes have a 50% chance of containing the T allele and a 50% chance of containing the t allele.

Topic: Biology, Principles of Inheritance and Variation, NEET
What is the probability that a photoelectron is produced when a photon strikes a sodium atom, given a thin target of sodium (10–2m square, 10–3m thickness) that produces a photocurrent of 100µA when exposed to light of intensity 100W/m2 (λ = 660nm)? [Take density of Na = 0.97 kg/m3]

Options:
A 1.2 × 10–20
B 2.5 × 10–20
C 8 × 10–21
D 5.5 × 10–21

The correct answer is:
8 × 10–21

Solution:
Correct Option is : (C)
8 × 10–21

Topic: Chemistry, Dual Nature of Matter, NEET
What is the problem faced while using alitame as artificial sweetener?

Options:
A It decomposes when added to the food items
B It provides a huge number of calories to the food
C It is difficult to control the sweetness of food while using it
D In increases the volume of the contents to a large extent

The correct answer is:
It is difficult to control the sweetness of food while using it

Solution:
Alitame is high potency sweetener although, it is more stable than aspartame, the control of sweetness of food is difficult while using it.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What is the problem for plants in regards to herbivores?

Options:
A They cannot run away from their predators
B They do not have the ability to store chemicals for defence
C They have not evolved any morphological or chemical defences
D They are not easily detected by herbivores

The correct answer is:
They cannot run away from their predators

Solution:
For plants, herbivores are the predators and the problem is particularly severe for plants because, unlike animals, they cannot run away from their predators.

Topic: Biology, Organisms and Populations, NEET
What is the problem with bone marrow transplantation and enzyme replacement therapy?

Options:
A They are not completely curative
B They are not affordable
C They do not have any side effects
D They are not approved by FDA

The correct answer is:
They are not completely curative

Solution:
Both bone marrow transplantation and enzyme replacement therapy are not completely curative.

Topic: Biology, Biotechnology and Its Applications, NEET
What is the process by which a reagent increases the oxidation number of an element in a substance?

Options:
A Reduction
B Oxidation
C Precipitation
D Sublimation

The correct answer is:
Oxidation

Solution:
The passage defines an oxidizing agent as a reagent that increases the oxidation number of an element in a substance, which is referred to as oxidation.

Topic: Chemistry, Redox Reactions, NEET
What is the process by which cells arise from preexisting cells according to the cell theory?

Options:
A Reproduction
B Evolution
C Cell Division
D Mitosis

The correct answer is:
Cell Division

Solution:
According to the cell theory, cells arise from preexisting cells through the process of cell division.

Topic: Biology, Cell Cycle and Cell Division, NEET
What is the process by which green plants and cyanobacteria prepare their own food?

Options:
A Photosynthesis
B Respiration
C Oxidation
D Digestion

The correct answer is:
Photosynthesis

Solution:
Green plants and cyanobacteria are capable of preparing their own food through the process of photosynthesis, where they trap light energy and convert it into chemical energy stored in the bonds of carbohydrates.

Topic: Biology, Respiration in Plants, NEET
What is the process by which HI reacts with an alkane to form a straight-chain hydrocarbon?

Options:
A Dehydrogenation
B Halogenation
C Hydrolysis
D Isomerization

The correct answer is:
Halogenation

Solution:
The reaction of HI with an alkane to form a straight-chain hydrocarbon is called halogenation.

Topic: Chemistry, Biomolecules, NEET
What is the process by which nearly 99% of the filtrate is reabsorbed by the renal tubules?

Options:
A secretion
B ultrafiltration
C reabsorption
D glomerular filtration

The correct answer is:
reabsorption

Solution:
A comparison of the volume of the filtrate formed per day (180 litres per day) with that of the urine released (1.5 litres), suggest that nearly 99 per cent of the filtrate has to be reabsorbed by the renal tubules. This process is called reabsorption.

Topic: Biology, Excretory Products and their Elimination, NEET
What is the process by which new individuals are formed in Protists and Monerans?

Options:
A Binary fission
B Sexual reproduction
C Mitosis
D Asexual reproduction

The correct answer is:
Binary fission

Solution:
In Protists and Monerans, new individuals are formed through binary fission, which is a type of asexual reproduction.

Topic: Biology, Reproduction in Organisms, NEET
What is the process by which plants make their food?

Options:
A Respiration
B Photosynthesis
C Fermentation
D Hydrolysis

The correct answer is:
Photosynthesis

Solution:
Green plants make the food they need through photosynthesis and are called autotrophs.

Topic: Biology, Photosynthesis in Higher Plants, NEET
What is the process by which spermatids are transformed into spermatozoa?

Options:
A Spermiation
B Spermatogenesis
C Spermiogenesis
D Meiosis

The correct answer is:
Spermiogenesis

Solution:
Spermatids are transformed into spermatozoa by the process called spermiogenesis.

Topic: Biology, Human Reproduction, NEET
What is the process by which the carbon-halogen bond in alkyl or benzyl halides is cleaved by ammonia known as?

Options:
A Halogenation
B Ammonolysis
C Hydrolysis
D Oxidation

The correct answer is:
Ammonolysis

Solution:
The given passage describes the process of cleaving the carbon-halogen bond in alkyl or benzyl halides by ammonia, and this process is referred to as ammonolysis.

Topic: Chemistry, Amines, NEET
What is the process by which the kidneys regulate glomerular filtration rate?

Options:
A reabsorption
B ultrafiltration
C juxta glomerular apparatus (JGA)
D secretion

The correct answer is:
juxta glomerular apparatus (JGA)

Solution:
The kidneys have built-in mechanisms for the regulation of glomerular filtration rate.

Topic: Biology, Excretory Products and their Elimination, NEET
What is the process by which toxic substances increase in concentration in the aquatic food chain?

Options:
A Biodegradation
B Biomagnification
C Bi oconcentration
D Bioaccumulation

The correct answer is:
Biomagnification

Solution:
Biomagnification refers to the increase in concentration of toxic substances at successive trophic levels in the aquatic food chain, as a toxic substance accumulated by an organism is not metabolized or excreted and is passed on to the next higher trophic level.

Topic: Biology, Environmental Issues, NEET
What is the process called for producing 'syngas' from coal?

Options:
A Coal conversion
B Coal gasification
C Coal combustion
D Coal liquefaction

The correct answer is:
Coal gasification

Solution:
The process of producing 'syngas' from coal is called 'coal gasification.'

Topic: Chemistry, Hydrogen, NEET
What is the process called from pollen deposition on the stigma until the pollen tubes enter the ovule?

Options:
A Pollen germination
B Pollen deposition
C Pollen-pistil interaction
D Pollen tube formation

The correct answer is:
Pollen-pistil interaction

Solution:
All these events, from pollen deposition on the stigma until the pollen tubes enter the ovule, are together referred to as pollen-pistil interaction.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET
What is the process called if this gene migration happens multiple times?

Options:
A Gene flow
B Genetic drift
C Mutation
D Natural selection

The correct answer is:
Gene flow

Solution:
If the same change occurs multiple times, it is called gene flow.

Topic: Biology, Evolution, NEET
What is the process called in eukaryotes where replication of DNA takes place?

Options:
A origin of replication
B replication fork
C S-phase of the cell-cycle
D none of the above

The correct answer is:
S-phase of the cell-cycle

Solution:
In eukaryotes, the replication of DNA takes place during the S-phase of the cell-cycle.

Topic: Biology, Molecular Basis of Inheritance, NEET
What is the process called that forms microspores from a pollen mother cell?

Options:
A Microspore formation
B Tapetogenesis
C Microsporogenesis
D Meiosis

The correct answer is:
Microsporogenesis

Solution:
The process of formation of microspores from a pollen mother cell (PMC) through meiosis is called microsporogenesis.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET
What is the process called when a colony of bacteria grows on a given medium and only a part of the population can survive under new conditions?

Options:
A Adaptive radiation
B Convergent evolution
C Natural selection
D None of the above

The correct answer is:
Natural selection

Solution:
The process where a colony of bacteria grows on a given medium and only a part of the population can survive under new conditions is called natural selection. The variant population that can survive under the new conditions will outgrow the others and appear as a new species.

Topic: Biology, Evolution, NEET
What is the process called when a species loses electrons?

Options:
A Oxidation
B Reduction
C Hydration
D Dehydration

The correct answer is:
Oxidation

Solution:
The passage defines oxidation as the loss of electrons by any species.

Topic: Chemistry, Redox Reactions, NEET
What is the process called when a zygote develops into an embryo?

Options:
A Fertilisation
B Oviparous
C Embryogenesis
D Cell differentiation

The correct answer is:
Embryogenesis

Solution:
Embryogenesis refers to the process of development of an embryo from the zygote.

Topic: Biology, Reproduction in Organisms, NEET
What is the process called when amino acids are linked to their cognate tRNA?

Options:
A Polymerization
B Charging of tRNA
C Peptide bond formation
D Catalysis

The correct answer is:
Charging of tRNA

Solution:
The process of linking amino acids to their cognate tRNA is commonly called charging of tRNA.

Topic: Biology, Molecular Basis of Inheritance, NEET
What is the process called when cnidarians exist in both polyp and medusa forms?

Options:
A Alternation of generation
B Metamorphosis
C Metagenesis
D None of the above

The correct answer is:
Alternation of generation

Solution:
Cnidarians that exist in both polyp and medusa forms exhibit alternation of generation, where polyps produce medusae asexually and medusae form the polyps sexually.

Topic: Biology, Animal Kingdom, NEET
What is the process called when dialysis is made faster by applying an electric field?

Options:
A Electrophoresis
B Electromagnetism
C Electrodialysis
D Electrolysis

The correct answer is:
Electrodialysis

Solution:
The process of making dialysis faster by applying an electric field is called electrodialysis.

Topic: Chemistry, Surface Chemistry, NEET
What is the process called when molecules move across the membrane without requiring energy?

Options:
A Active transport
B Simple diffusion
C Facilitated diffusion
D Osmosis

The correct answer is:
Simple diffusion

Solution:
Simple diffusion is the process by which molecules move across the membrane without requiring energy, along the concentration gradient.

Topic: Biology, Cell - The Unit of Life, NEET
What is the process called when the blastocyst becomes embedded in the endometrium of the uterus?

Options:
A Implantation
B Cleavage
C Embryogenesis
D Meiosis

The correct answer is:
Implantation

Solution:
The process when the blastocyst becomes embedded in the endometrium of the uterus is called implantation.

Topic: Biology, Human Reproduction, NEET
What is the process called when the configuration of a carbon atom inverts in an SN2 reaction?

Options:
A Retention of configuration
B Racemization
C Inversion of configuration
D Substitution of configuration

The correct answer is:
Inversion of configuration

Solution:
The process as the inversion of configuration in an SN2 reaction.

Topic: Chemistry, Haloalkanes and Haloarenes, NEET
What is the process called when the doctors check if a donor is suitable for a transplant?

Options:
A Tissue matching
B Blood group matching
C Immuno-suppression
D Both A) and B)

The correct answer is:
Both A) and B)

Solution:
Before transplantation, tissue matching and blood group matching are essential to prevent rejection of the organ.

Topic: Biology, Human Health and Diseases, NEET
What is the process called when the male bee 'pseudocopulates' with the orchid flower?

Options:
A Pollination
B Dispersal
C Predation
D Sexual deceit

The correct answer is:
Sexual deceit

Solution:
The process in which the male bee 'pseudocopulates' with the orchid flower is called sexual deceit.

Topic: Biology, Organisms and Populations, NEET
What is the process called when water moves across the membrane by diffusion?

Options:
A Simple diffusion
B Facilitated diffusion
C Active transport
D Osmosis

The correct answer is:
Osmosis

Solution:
Osmosis is the process by which water moves across the membrane by diffusion, from a higher to a lower concentration.

Topic: Biology, Cell - The Unit of Life, NEET
What is the process called where small plants emerge from the buds of potato tuber, from the rhizomes of banana and ginger?

Options:
A Binary fission
B Encystation
C Adventitious buds
D Sporulation

The correct answer is:
Adventitious buds

Solution:
The process where small plants emerge from the buds of potato tuber, from the rhizomes of banana and ginger is called adventitious buds.

Topic: Biology, Reproduction in Organisms, NEET
What is the process called where the energy of oxidation-reduction is utilized for the production of the proton gradient required for phosphorylation?

Options:
A Photophosphorylation
B Oxidative phosphorylation
C TCA Cycle
D Anaerobic glycolysis

The correct answer is:
Oxidative phosphorylation

Solution:
The process where the energy of oxidation-reduction is utilized for the production of the proton gradient required for phosphorylation is called oxidative phosphorylation.

Topic: Biology, Respiration in Plants, NEET
What is the process in which contraction and relaxation occurs?

Options:
A Joint systole
B Joint diastole
C Cardiac cycle
D Ventricular pressure decline

The correct answer is:
Cardiac cycle

Solution:
The events describe the cardiac cycle, in which the ventricles and atria alternate between contraction and relaxation.

Topic: Biology, Body Fluids and Circulation, NEET
What is the process in which salts formed by the reaction between acids and bases undergo interaction with water to reform corresponding acids or bases, affecting the pH of the solution?

Options:
A Salt ionization
B Salt hydrolysis
C Salt neutralization
D Salt precipitation

The correct answer is:
Salt hydrolysis

Solution:
Salt hydrolysis is the process in which salts formed by the reaction between acids and bases undergo interaction with water to reform corresponding acids or bases, thus affecting the pH of the solution.

Topic: Chemistry, Ionic Equilibrium, NEET
What is the process involved in the formation of vegetative propagules in plants?

Options:
A Sexual reproduction
B Asexual reproduction
C Both a and b
D None of the above

The correct answer is:
Asexual reproduction

Solution:
The process of vegetative propagation in plants does not involve two parents and is therefore an asexual process.

Topic: Biology, Reproduction in Organisms, NEET
What is the process known as when some solute particles dissolve in the solvent and increase their concentration in the solution?

Options:
A Precipitation
B Dilution
C Dissolution
D Concentration

The correct answer is:
Dissolution

Solution:
The paragraph describes the process of dissolution as the increase in the concentration of solute in the solution.

Topic: Chemistry, Solutions, NEET
What is the process known as when some solute particles in solution collide with solid solute particles and get separated out of the solution?

Options:
A Dissolution
B Crystallization
C Solubility
D Precipitation

The correct answer is:
Crystallization

Solution:
The paragraph describes the process of crystallization as the separation of solute particles from the solution.

Topic: Chemistry, Solutions, NEET
What is the process of absorbed substances reaching the tissues and being utilized for their activities called?

Options:
A Digestion
B Assimilation
C Egestion
D Defecation

The correct answer is:
Assimilation

Solution:
The process of absorbed substances reaching the tissues and being utilized for their activities is called assimilation.

Topic: Biology, Digestion and Absorption, NEET
What is the process of absorption called in the small intestine?

Options:
A Digestion
B Peristalsis
C Absorption
D Secretion

The correct answer is:
Absorption

Solution:
Absorption of substances takes place in different parts of the alimentary canal, like mouth, stomach, small intestine and large intestine. However, maximum absorption occurs in the small intestine.

Topic: Biology, Digestion and Absorption, NEET
What is the process of association between chromosomes called during the zygotene stage of meiosis?

Options:
A Synapsis
B Recombination
C Crossing over
D Chromosomal compaction

The correct answer is:
Synapsis

Solution:
During the zygotene stage of meiosis, the process of association between chromosomes is called synapsis. This results in the formation of paired chromosomes, called homologous chromosomes.

Topic: Biology, Cell Cycle and Cell Division, NEET