datavorous/entrance-exam-dataset huggingface dataset:
What is the purpose of naming organic compounds systematically?

Options:
A To make the names more interesting
B To reflect the compound's color
C To provide shorter names
D To allow deducing the structure from the name

The correct answer is:
To allow deducing the structure from the name

Solution:
The purpose of systematic naming is to correlate names with the structure so that the reader or listener can deduce the structure from the name.

Topic: Chemistry, General Organic Chemistry, NEET
What is the purpose of natural selection?

Options:
A To increase the size of the population
B To improve the characteristics of the population
C To decrease the size of the population
D None of the above

The correct answer is:
To improve the characteristics of the population

Solution:
Natural selection is the mechanism of evolution, which improves the characteristics of the population by selecting the individuals who are better fit in an environment to survive and reproduce.

Topic: Biology, Evolution, NEET
What is the purpose of neutralizing alkyl benzene sulphonic acids with alkali?

Options:
A To form alkyl hydrogensulphates
B To produce hydrocarbons
C To create anionic detergents
D To obtain long chain alcohols

The correct answer is:
To create anionic detergents

Solution:
The neutralization of alkyl benzene sulphonic acids with alkali is done to form anionic detergents.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What is the purpose of open-burning dumps?

Options:
A To reduce the volume of waste
B To breed rats and flies
C To dispose of hazardous waste
D To store waste

The correct answer is:
To breed rats and flies

Solution:
Open-burning dumps serve as the breeding ground for rats and flies, but generally do not burn the waste to completion.

Topic: Biology, Environmental Issues, NEET
What is the purpose of outbreeding devices in flowering plants?

Options:
A To improve the quality of pollen
B To improve the quality of stigma
C To discourage self-pollination and encourage cross-pollination
D To make the flowers more attractive to pollinators

The correct answer is:
To discourage self-pollination and encourage cross-pollination

Solution:
Flowering plants have developed many devices to discourage self-pollination and encourage cross-pollination. These outbreeding devices aim to discourage self-pollination and promote cross-pollination.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET
What is the purpose of ozonolysis in organic chemistry?

Options:
A To form ozonides for chemical analysis
B To synthesize ozone gas
C To detect the position of double bonds in alkenes
D To generate ozone for environmental purposes

The correct answer is:
To detect the position of double bonds in alkenes

Solution:
Ozonolysis is primarily used in organic chemistry to determine the location of double bonds in alkenes and other unsaturated compounds.

Topic: Chemistry, Hydrocarbons, NEET
What is the purpose of parental DNA?

Options:
A To act as a template for synthesis of a new strand
B To produce two double stranded DNA identical to the parental DNA molecule
C To observe the constant ratios between Adenine and Thymine and Guanine and Cytosine
D To be complementary to each other

The correct answer is:
To act as a template for synthesis of a new strand

Solution:
If each strand from a DNA (parental DNA) acts as a template for synthesis of a new strand, the two double stranded DNA (daughter DNA) thus, produced would be identical to the parental DNA molecule.

Topic: Biology, Molecular Basis of Inheritance, NEET
What is the purpose of partition chromatography?

Options:
A To separate compounds based on their color
B To separate compounds based on their boiling points
C To continuously partition compounds between stationary and mobile phases
D To mix compounds together

The correct answer is:
To continuously partition compounds between stationary and mobile phases

Solution:
Partition chromatography involves the continuous partitioning of compounds between stationary and mobile phases.

Topic: Chemistry, General Organic Chemistry, NEET
What is the purpose of passing phenol vapors over heated zinc dust in the reduction process?

Options:
A To form a chemical complex
B To remove impurities
C To increase the yield of benzene
D To reduce phenol to benzene

The correct answer is:
To reduce phenol to benzene

Solution:
Passing phenol vapors over heated zinc dust is done with the purpose of reducing phenol to benzene.

Topic: Chemistry, Hydrocarbons, NEET
What is the purpose of passing water successively through a cation exchange resin (in the H+ form) and an anion-exchange resin (in the OH– form)?

Options:
A To increase water hardness
B To remove all dissolved ions from the water
C To make the water acidic
D To obtain pure de-mineralized water

The correct answer is:
To obtain pure de-mineralized water

Solution:
Passing water successively through a cation exchange resin (in the H+ form) and an anion-exchange resin (in the OH– form) is done to obtain pure de-mineralized water free from all soluble mineral salts.

Topic: Chemistry, Hydrogen, NEET
What is the purpose of pedigree analysis?

Options:
A To diagnose genetic disorders in patients
B To trace the pattern of inheritance of genetic disorders
C To develop new treatments for genetic disorders
D To identify new genetic disorders

The correct answer is:
To trace the pattern of inheritance of genetic disorders

Solution:
Pedigree analysis is used to trace the patterns of inheritance for finding out various genetic disorders in a family tree.

Topic: Biology, Principles of Inheritance and Variation, NEET
What is the purpose of pH paper with four strips, each having a different color?

Options:
A To determine the concentration of hydroxyl ions in a solution.
B To measure the temperature of a solution.
C To calculate the density of a solution.
D To provide a more accurate estimation of the pH within a certain range.

The correct answer is:
To provide a more accurate estimation of the pH within a certain range.

Solution:
pH paper with four strips, each having a different color, allows for a more accurate estimation of the pH within a certain range, improving the precision of pH measurement.

Topic: Chemistry, Ionic Equilibrium, NEET
What is the purpose of pleural fluid between the two lungs?

Options:
A To increase friction on the lung-surface
B To reduce friction on the lung-surface
C To store oxygen
D To store carbon dioxide

The correct answer is:
To reduce friction on the lung-surface

Solution:
Pleural fluid between the two lungs reduces friction on the lung-surface.

Topic: Biology, Breathing and Exchange of Gases, NEET
What is the purpose of plotting pV vs. p for gases at constant temperature?

Options:
A To observe the relationship between pV and temperature
B To test the validity of Boyle's law
C To determine the mass of gases
D To investigate the behavior of gases at varying temperatures

The correct answer is:
To test the validity of Boyle's law

Solution:
Plotting pV vs. p for gases at constant temperature is done to test how well the relation pV = nRT reproduces the actual pressure-volume-temperature relationship of gases, particularly to confirm Boyle's law.

Topic: Chemistry, States of Matter, NEET
What is the purpose of primary treatment of sewage?

Options:
A Physical removal of particles
B Removal of organic matter
C Reduction of BOD
D Increase in pollution potential

The correct answer is:
Physical removal of particles

Solution:
Primary treatment involves physical removal of particles, large and small, from the sewage through filtration and sedimentation.

Topic: Biology, Microbes in Human Welfare, NEET
What is the purpose of producing unisexual flowers in flowering plants?

Options:
A To attract more pollinators
B To improve the quality of the flowers
C To prevent self-pollination
D To improve the quality of the seeds

The correct answer is:
To prevent self-pollination

Solution:
The production of unisexual flowers in flowering plants is used as a device to prevent self-pollination. If both male and female flowers are present on the same plant, it prevents autogamy, but not geitonogamy.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET
What is the purpose of providing a sacrificial electrode of another metal during corrosion prevention?

Options:
A To increase the cost of corrosion prevention.
B To improve the appearance of the metal.
C To corrode the object faster.
D To save the object from corrosion.

The correct answer is:
To save the object from corrosion.

Solution:
An electrochemical method is to provide a sacrificial electrode of another metal (like Mg, Zn, etc.) which corrodes itself but saves the object.

Topic: Chemistry, Electrochemistry, NEET
What is the purpose of pumping a part of the activated sludge back into the aeration tank?

Options:
A To produce biogas
B To release the effluent into natural water bodies
C To serve as the inoculum
D To digest the bacteria in the sludge

The correct answer is:
To serve as the inoculum

Solution:
A small part of the activated sludge is pumped back into the aeration tank to serve as the inoculum.

Topic: Biology, Microbes in Human Welfare, NEET
What is the purpose of radiotherapy in cancer treatment?

Options:
A To remove the tumor mass
B To activate the immune system
C To kill tumor cells through radiation
D To reduce the side effects of chemotherapy

The correct answer is:
To kill tumor cells through radiation

Solution:
In radiotherapy, tumor cells are lethally irradiated, taking proper care of the normal tissues surrounding the tumor mass.

Topic: Biology, Human Health and Diseases, NEET
What is the purpose of regular check-ups for HIV in susceptible populations?

Options:
A To spread HIV
B To hide the presence of HIV
C To increase the number of HIV-infected people
D To reduce the spread of HIV

The correct answer is:
To reduce the spread of HIV

Solution:
Regular check-ups for HIV in susceptible populations aim to reduce the spread of the disease.

Topic: Biology, Human Health and Diseases, NEET
What is the purpose of regulatory proteins in gene expression?

Options:
A To synthesise RNA polymerase
B To affect the accessibility of promoter regions
C To bind to the operator region
D To catalyse the hydrolysis of lactose

The correct answer is:
To affect the accessibility of promoter regions

Solution:
Regulatory proteins affect the accessibility of promoter regions of prokaryotic DNA, which is in many cases regulated by the interaction of proteins with sequences termed operators.

Topic: Biology, Molecular Basis of Inheritance, NEET
What is the purpose of removing ethene as it is formed during alcohol dehydration?

Options:
A To increase the yield of alkene
B To decrease the yield of alkene
C To prevent the formation of alkene
D To generate additional water

The correct answer is:
To increase the yield of alkene

Solution:
Removing ethene as it is formed helps drive the equilibrium to the right, increasing the yield of alkene.

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
What is the purpose of replication and transcription in nucleic acids?

Options:
A To copy the genetic information from amino acids to nucleotides
B To copy the genetic information from one nucleic acid to another
C To transfer genetic information from nucleotides to amino acids
D To transfer genetic information from amino acids to nucleotides

The correct answer is:
To copy the genetic information from one nucleic acid to another

Solution:
Replication and transcription copy the genetic information from one nucleic acid to

Topic: Biology, Molecular Basis of Inheritance, NEET
What is the purpose of respiration in organisms?

Options:
A To provide O₂ and release CO₂
B To produce O₂
C To release CO₂ only
D To produce CO₂

The correct answer is:
To provide O₂ and release CO₂

Solution:
Respiration is the process of exchange of O₂ from the atmosphere with CO₂ produced by the cells, which means O₂ is utilised by the organisms and CO₂ which is harmful is released.

Topic: Biology, Breathing and Exchange of Gases, NEET
What is the purpose of retroviruses in animal cells?

Options:
A To transform normal cells into cancerous cells
B To deliver genes of interest into animal cells
C To produce chemicals required by pathogens
D To transform plant cells into a tumor

The correct answer is:
To transform normal cells into cancerous cells

Solution:
Retroviruses in animal cells transform normal cells into cancerous cells.

Topic: Biology, Biotechnology - Principles and Processes, NEET
What is the purpose of sampling ports in a bioreactor?

Options:
A To control the temperature
B To control the pH
C To withdraw small volumes of culture periodically
D To control the foam

The correct answer is:
To withdraw small volumes of culture periodically

Solution:
Sampling ports are present in a bioreactor so that small volumes of the culture can be withdrawn periodically.

Topic: Biology, Biotechnology - Principles and Processes, NEET
What is the purpose of seed banks?

Options:
A To preserve gametes
B To fertilize eggs
C To preserve seeds of different genetic strains of commercially important plants
D To propagate plants

The correct answer is:
To preserve seeds of different genetic strains of commercially important plants

Solution:
Seed banks serve the purpose of preserving seeds of different genetic strains of commercially important plants for long periods.

Topic: Biology, Biodiversity and its Conservation, NEET
What is the purpose of seeding in the extraction of alumina?

Options:
A To dissolve the alumina
B To precipitate the alumina
C To neutralize the solution
D To initiate the reaction

The correct answer is:
To precipitate the alumina

Solution:
Seeding is done to induce the precipitation of hydrated alumina during the extraction process.

Topic: Chemistry, General Principles and Processes of Isolation of Metals, NEET
What is the purpose of selection amongst somaclonal variants?

Options:
A To create new genetic variations through changes in the base sequence.
B To identify and utilize disease resistance genes in crops.
C To increase the yield of cultivated plant species.
D To utilize desirable characters in plants.

The correct answer is:
To utilize desirable characters in plants.

Solution:
Selection amongst somaclonal variants is a method used in breeding that utilizes desirable

Topic: Biology, Strategies for Enhancement in Food Production, NEET
What is the purpose of self:pollination in the experiment described in the paragraph?

Options:
A To produce F₂ generation
B To produce F₁ generation
C To produce gametes
D To test for dominance and recessiveness

The correct answer is:
To produce F₂ generation

Solution:
Self-pollination of the F₁ plants produced the F₂ generation, which helped to demonstrate the law of segregation.

Topic: Biology, Principles of Inheritance and Variation, NEET
What is the purpose of separating/filtering out pollutants from the harmless gases?

Options:
A To improve the quality of air
B To cause more harm
C To increase the concentration of pollutants
D To not mentioned

The correct answer is:
To improve the quality of air

Solution:
These pollutants must be separated/filtered out before releasing the harmless gases into the atmosphere in order to control environmental pollution and improve the quality of air.

Topic: Biology, Environmental Issues, NEET
What is the purpose of setting up organizations like GEAC?

Options:
A To evaluate the morality of human activities that might help or harm living organisms
B To control the problems with patents granted for the usage of living organisms for public services
C To regulate the manipulation of living organisms by the human race
D To make decisions regarding the validity of GM research and the safety of introducing GM-organisms for public services

The correct answer is:
To make decisions regarding the validity of GM research and the safety of introducing GM-organisms for public services

Solution:
The Indian Government has set up organizations such as GEAC (Genetic Engineering Approval Committee) to make decisions regarding the validity of GM research and the safety of introducing GM-organisms for public services.

Topic: Biology, Biotechnology and Its Applications, NEET
What is the purpose of sewage treatment plants (STPs)?

Options:
A To make sewage more polluting
B To dispose off sewage
C To treat sewage
D To generate waste water

The correct answer is:
To treat sewage

Solution:
Before disposal, sewage is treated in sewage treatment plants (STPs) to make it less polluting.

Topic: Biology, Microbes in Human Welfare, NEET
What is the purpose of showing the movement of the unit cell of a two-dimensional lattice in Figure 1.7?

Options:
A To illustrate the construction of unit cells
B To demonstrate the randomness of unit cell selection
C To explain the concept of crystal lattices
D To show how unit cells can overlap

The correct answer is:
To illustrate the construction of unit cells

Solution:
Figure 1.7 shows the movement of the unit cell of a two-dimensional lattice to illustrate the construction of unit cells, as stated in the paragraph.

Topic: Chemistry, Solid State, NEET
What is the purpose of side chain chlorination followed by hydrolysis in the context of benzaldehyde production?

Options:
A To synthesise benzyl chloride directly
B To reduce toluene to benzaldehyde
C To purify toluene
D To prepare benzyl chloride

The correct answer is:
To reduce toluene to benzaldehyde

Solution:
Side chain chlorination followed by hydrolysis is a method used to synthesise benzaldehyde from toluene. The chlorination step produces benzyl chloride, which is then hydrolyzed to yield benzaldehyde.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What is the purpose of small solvent?

Options:
A To create submicroscopic holes
B To bind substances together
C To revive wilted flowers
D To facilitate the exchange of solvents or particles

The correct answer is:
To facilitate the exchange of solvents or particles

Solution:
Small solvent is not the purpose but a part of the process, and its purpose is to facilitate the exchange of solvents or particles through the membranes.

Topic: Chemistry, Solutions, NEET
What is the purpose of sodium hydrogen carbonate in fire extinguishers?

Options:
A To cool down the fire
B To release oxygen to support combustion
C To generate carbon dioxide to smother the fire
D To create a barrier to prevent the spread of fire

The correct answer is:
To generate carbon dioxide to smother the fire

Solution:
Sodium hydrogencarbonate is used in fire extinguishers to generate carbon dioxide (CO2), which displaces oxygen and helps smother the fire by removing the oxygen necessary for combustion.

Topic: Chemistry, s Block Elements, NEET
What is the purpose of sodium hydroxide (NaOH) in the Reimer-Tiemann reaction?

Options:
A To act as a reducing agent
B To provide a source of chlorine atoms
C To neutralise the reaction mixture
D To deprotonate phenol

The correct answer is:
To deprotonate phenol

Solution:
Sodium hydroxide is used to deprotonate phenol, making it more reactive towards chloroform in the Reimer-Tiemann reaction.

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
What is the purpose of sodium rosinate in laundry soaps?

Options:
A To add fragrance
B To increase lathering
C To prevent rapid drying
D To serve as a filler

The correct answer is:
To serve as a filler

Solution:
Sodium rosinate is added to laundry soaps to serve as a filler.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What is the purpose of splicing in eukaryotes?

Options:
A To join exons in a defined order
B To remove introns
C To add an unusual nucleotide to the 5'-end of hnRNA
D To add adenylate residues to the 3'-end of hnRNA

The correct answer is:
To remove introns

Solution:
In eukaryotes, primary transcripts contain both the exons and introns and are

Topic: Biology, Molecular Basis of Inheritance, NEET
What is the purpose of stoichiometric calculations in iodometry?

Options:
A To determine the concentration of Cu(II) ions.
B To calculate the volume of thiosulfate solution required.
C To estimate the concentration of iodine in the sample.
D To find the molar mass of iodine.

The correct answer is:
To estimate the concentration of iodine in the sample.

Solution:
Stoichiometric calculations are used to determine the concentration of the analyte, which in this case is iodine, based on the volume and concentration of the thiosulfate solution used in the titration.

Topic: Chemistry, Redox Reactions, NEET
What is the purpose of storing surplus agricultural production by governmental and non-governmental organizations in India?

Options:
A To sell surplus produce at higher prices
B To prevent access by the general population
C To ensure food security during lean seasons
D To maximize profits for farmers

The correct answer is:
To ensure food security during lean seasons

Solution:
The surplus production is stored to ensure food security during the lean seasons when agricultural output may be insufficient.

Topic: Chemistry, Environmental Chemistry, NEET
What is the purpose of studying the ecosystem?

Options:
A To understand the relationships within it
B To appreciate its input and output
C To comprehend the energy flows
D All of the above

The correct answer is:
All of the above

Solution:
The purpose of studying the ecosystem is to understand the relationships within it, appreciate its input and output, and comprehend the energy flows.

Topic: Biology, Ecosystem, NEET
What is the purpose of sublimation in the purification of organic compounds?

Options:
A To separate compounds based on their solubility
B To remove impurities by converting them to vapor
C To form crystals from a saturated solution
D To determine the color of a compound

The correct answer is:
To remove impurities by converting them to vapor

Solution:
Sublimation in the purification of organic compounds is used to remove impurities by converting them to vapor.

Topic: Chemistry, General Organic Chemistry, NEET
What is the purpose of synergids in an embryosac?

Options:
A They divide meiotically to produce antipodal cells.
B They contribute towards the formation of polar nuclei.
C Synergids function in the guidance of the pollen tube to enter the embryo sac.
D Synergids provide nourishment to the cells of embryosac.

The correct answer is:
Synergids function in the guidance of the pollen tube to enter the embryo sac.

Solution:
The ovule is located within the ovary and it consists of nucellus and integuments. They attach to the placentae by means of a stalk called funiculus. There is an opening present in the mature ovule that is called the micropyle. A female gametophyte or embryo sac is present inside the nucellus. The two synergid cells are located in the female gametophyte around the egg and form an egg apparatus. There is a filiform apparatus present on the synergid that guides the entry of the pollen tube to the embryo sac.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET
What is the purpose of testing the materials in farmers' fields?

Options:
A To evaluate the performance of the plants in research fields
B To evaluate the yield and agronomic traits of the plants
C To test the performance of the plants in different agroclimatic zones
D To achieve uniformity in the characters of the plants

The correct answer is:
To test the performance of the plants in different agroclimatic zones

Solution:
The materials are evaluated in farmers' fields for at least three growing seasons at several locations in the country, representing all the agroclimatic zones where the crop is usually grown.

Topic: Biology, Strategies for Enhancement in Food Production, NEET
What is the purpose of testing water for fluoride ion concentration for drinking purposes?

Options:
A To check for its taste
B To monitor the water's color
C To ensure it is safe for human consumption
D To determine its electrical conductivity

The correct answer is:
To ensure it is safe for human consumption

Solution:
Testing water for fluoride ion concentration is important to ensure that it is safe for drinking. Excess fluoride in drinking water can have harmful effects on human health.

Topic: Chemistry, Environmental Chemistry, NEET