datavorous/entrance-exam-dataset huggingface dataset:
What is the main purpose of cell division?

Options:
A To reduce genetic variability
B To increase chromosome number
C To produce mature organism
D To conserve chromosome number

The correct answer is:
To conserve chromosome number

Solution:
The purpose of cell division is not specified in the paragraph but it is a crucial process for the survival and continuation of the species as it helps in conserving the chromosome number across generations.

Topic: Biology, Cell Cycle and Cell Division, NEET
What is the main purpose of cellular respiration?

Options:
A To obtain food
B To synthesize ATP
C To release energy
D To carry out photosynthesis

The correct answer is:
To synthesize ATP

Solution:
The main purpose of cellular respiration is to trap the energy released from the breakdown of food materials and use it for the synthesis of ATP.

Topic: Biology, Respiration in Plants, NEET
What is the main purpose of hybrid orbitals in chemical bonding?

Options:
A To determine atomic size
B To distribute electron density
C To determine bond polarity
D To facilitate bond formation

The correct answer is:
To facilitate bond formation

Solution:
Hybrid orbitals are primarily used to facilitate bond formation in chemical bonding.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What is the main purpose of locomotion performed by animals?

Options:
A Search for food
B Search for shelter
C Search for a mate
D All of the above

The correct answer is:
All of the above

Solution:
The methods of locomotion performed by animals vary with their habitats and the demand of the situation, but the main purpose is to search for food, shelter, mate, suitable breeding grounds, favourable climatic conditions, or to escape from enemies/predators.

Topic: Biology, Locomotion and Movement, NEET
What is the main purpose of making calculations of the net gain of ATP for every glucose molecule oxidized?

Options:
A To understand the efficiency of the living system in extraction and storage of energy
B To predict the number of ATP molecules synthesized during aerobic respiration of glucose
C To evaluate the functioning of sequential, orderly pathway during glycolysis, TCA cycle, and ETS pathway
D To control the enzymatic rates during oxidative phosphorylation

The correct answer is:
To understand the efficiency of the living system in extraction and storage of energy

Solution:
The main purpose of making calculations of the net gain of ATP for every glucose molecule oxidized is to appreciate the beauty and efficiency of the living system in extraction and storing energy, although these calculations are not valid in a living system.

Topic: Biology, Respiration in Plants, NEET
What is the main purpose of meiosis?

Options:
A To reduce the chromosome number by half
B To increase the chromosome number by half
C To replicate the DNA
D To repair the DNA

The correct answer is:
To reduce the chromosome number by half

Solution:
Meiosis is a specialised kind of cell division that reduces the chromosome number by half resulting in the production of haploid daughter cells.

Topic: Biology, Cell Cycle and Cell Division, NEET
What is the main purpose of microorganisms in water?

Options:
A They increase dissolved oxygen levels.
B They convert oxygen into organic matter.
C They consume organic matter and help oxidize it.
D They have no impact on water quality.

The correct answer is:
They consume organic matter and help oxidize it.

Solution:
Microorganisms play a significant role in water by consuming organic matter and aiding in its oxidation, which can affect water quality.

Topic: Chemistry, Environmental Chemistry, NEET
What is the main purpose of organizing and classifying the elements?

Options:
A To make chemistry more complex
B To study each element individually
C To predict new chemical facts
D To ease the study of elements and compounds

The correct answer is:
To ease the study of elements and compounds

Solution:
Scientists searched for a systematic way to organize their knowledge by classifying the elements to ease the study of elements and compounds.

Topic: Chemistry, Classification of Elements and Periodicity in Properties, NEET
What is the main purpose of producing transgenic animals?

Options:
A To study normal physiology and development
B To study animal behavior
C To study animal anatomy
D To study animal fur

The correct answer is:
To study normal physiology and development

Solution:
Transgenic animals are produced to allow the study of how genes are regulated, and how they affect the normal functions of the body and its development. Studying normal physiology and development is one of the main reasons why these animals are produced.

Topic: Biology, Biotechnology and Its Applications, NEET
What is the main purpose of respiration?

Options:
A To absorb food
B To exchange O₂ with CO₂
C To produce energy
D To release CO₂

The correct answer is:
To exchange O₂ with CO₂

Solution:
The main purpose of respiration is to exchange O₂ from the atmosphere with CO₂ produced by the cells.

Topic: Biology, Breathing and Exchange of Gases, NEET
What is the main purpose of STI prevention and cure under reproductive health:care programs?

Options:
A To prevent abortions and still births
B To increase the incidences of STIs
C To reduce the social stigma attached to STIs
D To maintain a healthy society

The correct answer is:
To maintain a healthy society

Solution:
The main purpose of STI prevention and cure under reproductive health:care programs is to maintain a healthy society as STIs are a major threat to it.

Topic: Biology, Reproductive Health, NEET
What is the main purpose of storing surplus agricultural production in India?

Options:
A To sell surplus crops to foreign markets
B To support local farmers with storage facilities
C To ensure food availability during times of scarcity
D To maintain low prices for consumers

The correct answer is:
To ensure food availability during times of scarcity

Solution:
Storing surplus agricultural production in India is primarily done to ensure food availability during times of scarcity.

Topic: Chemistry, Environmental Chemistry, NEET
What is the main purpose of studying fossils in different sedimentary layers?

Options:
A To determine the geological period in which they existed
B To understand the variation of life:forms over time
C To study the evolution of new forms of life
D All of the above

The correct answer is:
To determine the geological period in which they existed

Solution:
The study of fossils in different sedimentary layers allows scientists to determine the geological period in which the organisms existed, based on the layer in which the fossils are found.

Topic: Biology, Evolution, NEET
What is the main purpose of taxonomic classification?

Options:
A To identify similarities and dissimilarities among the individuals of the same kind of organisms
B To identify the genetic makeup of an individual or group of organisms
C To identify the behavior of an individual or group of organisms
D To identify the environment of an individual or group of organisms

The correct answer is:
To identify similarities and dissimilarities among the individuals of the same kind of organisms

Solution:
The main purpose of taxonomic classification is to identify similarities and dissimilarities among the individuals of the same kind of organisms as well as of other kinds of organisms.

Topic: Biology, The Living World, NEET
What is the main purpose of the International Code for Botanical Nomenclature (ICBN)?

Options:
A To standardize the naming of living organisms
B To provide scientific names for plants
C To assign a name to each known organism
D To facilitate the study of organisms

The correct answer is:
To provide scientific names for plants

Solution:
The International Code for Botanical Nomenclature (ICBN) provides principles and criteria on which scientific names for plants are based.

Topic: Biology, The Living World, NEET
What is the main purpose of the partial oxidation of glucose without the help of oxygen?

Options:
A To release heat
B To synthesise ATP
C To make glucose available to the cell
D To produce pyruvic acid

The correct answer is:
To produce pyruvic acid

Solution:
The partial oxidation of glucose without the help of oxygen is used to produce pyruvic acid, which is the main goal of glycolysis.

Topic: Biology, Respiration in Plants, NEET
What is the main purpose of the rate law or rate expression?

Options:
A To determine the stoichiometric coefficients of a reaction
B To calculate the equilibrium constant for a reaction
C To relate the rate of a reaction to the concentration of reactants
D To describe the reaction mechanism in detail

The correct answer is:
To relate the rate of a reaction to the concentration of reactants

Solution:
The rate law or rate expression relates the rate of a reaction to the concentration of reactants.

Topic: Chemistry, Chemical Kinetics, NEET
What is the main purpose of transpiration in plants?

Options:
A To supply water for photosynthesis
B To maintain the shape and structure of the plants
C To cool leaf surfaces
D To transport minerals from the soil to all parts of the plant

The correct answer is:
To supply water for photosynthesis

Solution:
Transpiration is an important process in plants as it helps to supply water for photosynthesis. This process helps in creating a transpiration pull for the absorption and transport of water from the soil to the leaves, where it is used for photosynthesis.

Topic: Biology, Transport in Plants, NEET
What is the main purpose of using biofertilisers in agriculture?

Options:
A To decrease environmental pollution
B To increase demand for agricultural produce
C To switch to conventional farming
D To improve the soil nutrient quality

The correct answer is:
To improve the soil nutrient quality

Solution:
The main purpose of using biofertilisers in agriculture is to improve the soil nutrient quality, by adding beneficial organisms to the soil.

Topic: Biology, Microbes in Human Welfare, NEET
What is the main purpose of using biofertilisers?

Options:
A To avoid heavy use of toxic pesticides for controlling pests
B To produce industrial products
C To reduce dependence on chemical fertilisers
D To convert milk into curd

The correct answer is:
To reduce dependence on chemical fertilisers

Solution:
Farmers use biofertilisers regularly in their fields to replenish soil nutrients and to reduce dependence on chemical fertilisers.

Topic: Biology, Microbes in Human Welfare, NEET
What is the main purpose of using lactic acid bacteria in milk?

Options:
A To convert milk into curd
B To produce industrial products
C To control pests
D To treat sewage

The correct answer is:
To convert milk into curd

Solution:
Bacteria called lactic acid bacteria (LAB) are used to convert milk into curd.

Topic: Biology, Microbes in Human Welfare, NEET
What is the main purpose of vulcanisation of rubber?

Options:
A Vulcanization of rubber is primarily done to increase its flammability.
B The main purpose of vulcanization is to make rubber softer
C Vulcanization enhances the physical properties of rubber.
D The primary goal of vulcanization is to reduce the overall durability of rubber.

The correct answer is:
Vulcanization enhances the physical properties of rubber.

Solution:
Correct Option is : (C)
Vulcanization enhances the physical properties of rubber.

Topic: Chemistry, Polymers, NEET
What is the main reactant in the prepartion of benzaldehyde by Etard's reaction?

Options:
A Toluene
B Ethyl benzene
C Benzoyl chloride
D Sodium benzoate

The correct answer is:
Toluene

Solution:
Toluene can be oxidized to benzaldehyde with a solution of chromyl chloride CrO2Cl2 in CS2 or CCl4. This is known as Etard's reaction.
Further oxidation of benzaldehyde to benzoic acid is avoided by protection of carbonyl group.

Topic: Chemistry, Aldehydes and Ketones, NEET
What is the main reaction product when the phenoxide ion reacts with carbon dioxide?

Options:
A Ortho hydroxybenzoic acid
B Para hydroxybenzoic acid
C Meta hydroxybenzoic acid
D Benzoic acid

The correct answer is:
Ortho hydroxybenzoic acid

Solution:
The reaction between the phenoxide ion and carbon dioxide primarily results in the formation of ortho hydroxybenzoic acid.

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
What is the main reason behind organ transplantation?

Options:
A To enable the patient to live a normal life
B To cure the patient
C To increase the lifespan
D To prevent rejection of the organ

The correct answer is:
To enable the patient to live a normal life

Solution:
Transplantation is done when some human organs like heart, eye, liver, kidney fail to function satisfactorily and to enable the patient to live a normal life.

Topic: Biology, Human Health and Diseases, NEET
What is the main reason behind Steller's sea cow and passenger pigeon extinction?

Options:
A Over:exploitation
B Alien species invasion
C Co:extinction
D Habitat loss and fragmentation

The correct answer is:
Over:exploitation

Solution:
Steller's sea cow and passenger pigeon extinction were due to overexploitation by humans.

Topic: Biology, Biodiversity and its Conservation, NEET
What is the main reason behind the extinction of more than 200 species of cichlid fish in Lake Victoria in east Africa?

Options:
A Co:extinctions
B Habitat loss and fragmentation
C Alien species invasions
D Over:exploitation

The correct answer is:
Alien species invasions

Solution:
The Nile perch introduced into Lake Victoria in east Africa caused the extinction of an ecologically unique assemblage of more than 200 species of cichlid fish in the lake.

Topic: Biology, Biodiversity and its Conservation, NEET
What is the main reason behind the higher reactivity of aldehydes compared to ketones in nucleophilic addition reactions?

Options:
A Steric hindrance caused by alkyl groups
B Electronic effects of alkyl groups
C Presence of bulky substituents in aldehydes
D Greater electrophilicity of aldehyde carbonyl carbon

The correct answer is:
Greater electrophilicity of aldehyde carbonyl carbon

Solution:
The greater electrophilicity of the carbonyl carbon in aldehydes, compared to ketones, is the main reason behind their higher reactivity in nucleophilic addition reactions.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What is the main reason behind the pollution of water bodies around the world?

Options:
A Natural causes
B Disposal of waste into water bodies
C Lack of water resources
D Water scarcity

The correct answer is:
Disposal of waste into water bodies

Solution:
Human beings have been abusing the water-bodies around the world by disposing into them all kinds of waste, which is the main reason for the pollution of water bodies.

Topic: Biology, Environmental Issues, NEET
What is the main reason for breathing?

Options:
A To release energy
B To absorb energy
C To transport energy
D To live

The correct answer is:
To live

Solution:
Breathing is essential to life because it is a basic requirement for survival.

Topic: Biology, Respiration in Plants, NEET
What is the main reason for cells to divide?

Options:
A To restore the nucleo-cytoplasmic ratio.
B To produce diploid daughter cells with identical genetic complement.
C To allow for the growth of multicellular organisms.
D To repair damaged cells.

The correct answer is:
To restore the nucleo-cytoplasmic ratio.

Solution:
Cell growth results in disturbing the ratio between the nucleus and the cytoplasm. It therefore becomes essential for the cell to divide to restore the nucleo-cytoplasmic ratio.

Topic: Biology, Cell Cycle and Cell Division, NEET
What is the main reason for complex reactions involving more than three molecules being multi-step processes?

Options:
A To minimise the number of products formed
B To increase the overall order of the reaction
C To decrease the reaction rate
D To accommodate the involvement of multiple reacting species

The correct answer is:
To accommodate the involvement of multiple reacting species

Solution:
Complex reactions involving more than three molecules are multi-step processes to accommodate the involvement of multiple reacting species.

Topic: Chemistry, Chemical Kinetics, NEET
What is the main reason for destruction of crop plants and crop produce?

Options:
A Climate change
B Natural disasters
C Insect and pest infestation
D Disease outbreaks

The correct answer is:
Insect and pest infestation

Solution:
The major cause for large scale destruction of crop plant and crop produce is insect and pest infestation.

Topic: Biology, Strategies for Enhancement in Food Production, NEET
What is the main reason for DNA being unable to pass through cell membranes?

Options:
A DNA is a hydrophobic molecule
B DNA cannot be forced into bacteria
C DNA is a hydrophilic molecule
D DNA cannot enter the bacterium through pores in its cell wall

The correct answer is:
DNA is a hydrophilic molecule

Solution:
DNA is a hydrophilic molecule, meaning it is attracted to water, and therefore it cannot pass through cell membranes.

Topic: Biology, Biotechnology - Principles and Processes, NEET
What is the main reason for expiration to occur?

Options:
A Negative pressure in the lungs with respect to atmospheric pressure
B Intra-pulmonary pressure is less than atmospheric pressure
C Intra-pulmonary pressure is greater than atmospheric pressure
D Positive pressure in the lungs with respect to atmospheric pressure

The correct answer is:
Intra-pulmonary pressure is greater than atmospheric pressure

Solution:
Expiration takes place when the intra-pulmonary pressure is higher than the atmospheric pressure.

Topic: Biology, Breathing and Exchange of Gases, NEET
What is the main reason for inbreeding depression in flowering plants?

Options:
A Lack of cross-pollination
B Over-reliance on self-pollination
C Poor quality of pollen
D Poor quality of stigma

The correct answer is:
Over-reliance on self-pollination

Solution:
The majority of flowering plants produce hermaphrodite flowers, and continued self-pollination can result in inbreeding depression. This is because pollen grains are likely to come in contact with the stigma of the same flower.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET
What is the main reason for increased yields in the Green Revolution?

Options:
A Improved crop varieties
B Better management practices
C Use of agrochemicals
D Both B) and C)

The correct answer is:
Both B) and C)

Solution:
Increased yields in the Green Revolution have partly been due to the use of improved crop varieties, but mainly due to the use of better management practices and the use of agrochemicals.

Topic: Biology, Biotechnology and Its Applications, NEET
What is the main reason for interspecific competition in nature?

Options:
A Competition among closely related species for limiting resources
B Inhibitory presence of one species on the feeding efficiency of the other species
C The process by which the fitness of one species is significantly lower in the presence of another species
D The extinction of one species due to the introduction of another species

The correct answer is:
Competition among closely related species for limiting resources

Solution:
Although the first statement is true, it's not entirely true. The competition can occur when closely related species compete for the same resources that are limiting, but competition can also occur between unrelated species and resources need not be limiting.

Topic: Biology, Organisms and Populations, NEET
What is the main reason for lead's harmful effects on the human body?

Options:
A It causes allergic reactions
B It disrupts the immune system
C It interferes with hormone production
D It replaces essential minerals in biological processes

The correct answer is:
It replaces essential minerals in biological processes

Solution:
Lead can be toxic to the human body because it can replace essential minerals like calcium and interfere with various biological processes.

Topic: Chemistry, Environmental Chemistry, NEET
What is the main reason for micronutrient deficiencies and toxicity in plants?

Options:
A The requirement of micronutrients is always in high amounts
B The requirement of micronutrients is always in low amounts
C The requirement of micronutrients is moderate
D The requirement of micronutrients varies with different plants

The correct answer is:
The requirement of micronutrients is always in low amounts

Solution:
The requirement of micronutrients is always in low amounts, but their moderate decrease causes deficiency symptoms and moderate increase causes toxicity.

Topic: Biology, Mineral Nutrition, NEET
What is the main reason for MTP?

Options:
A To prevent pregnancy
B To get rid of unwanted pregnancy
C To delay pregnancy
D To control population growth

The correct answer is:
To get rid of unwanted pregnancy

Solution:
MTP is performed to get rid of unwanted pregnancy either due to casual unprotected intercourse or failure of the contraceptive used during coitus or rapes.

Topic: Biology, Reproductive Health, NEET
What is the main reason for the catalytic activity of transition metals and their compounds?

Options:
A Their ability to form complexes
B Their ability to adopt multiple oxidation states
C Their physical state
D Their color

The correct answer is:
Their ability to adopt multiple oxidation states

Solution:
The transition metals and their compounds are known for their catalytic activity. This activity is ascribed to their ability to adopt multiple oxidation states and to form complexes.

Topic: Chemistry, d and f Block Elements, NEET
What is the main reason for the degradation of natural resources?

Options:
A Improper resource utilization practices
B Action of pollutants
C Both A) and B)
D None of the above

The correct answer is:
Both A) and B)

Solution:
The degradation of natural resources can occur not only due to the action of pollutants but also due to improper resource utilization practices.

Topic: Biology, Environmental Issues, NEET
What is the main reason for the different chemical behavior of the first member of a group compared to the subsequent members in the same group?

Options:
A Their small size
B Their large charge/radius ratio
C Their high electronegativity
D Their large number of valence orbitals

The correct answer is:
Their large number of valence orbitals

Solution:
The reasons for the different chemical behaviour of the first member of a group of elements in the s- and p-blocks compared to that of the subsequent members in the same group is the anomalous behaviour is attributed to their small size, large charge/ radius ratio and high electronegativity of the elements.

Topic: Chemistry, Classification of Elements and Periodicity in Properties, NEET
What is the main reason for the different reactivities of primary, secondary, and tertiary alcohols in the Lucas test?

Options:
A Steric hindrance
B Electronegativity
C Aromaticity
D Conjugation

The correct answer is:
Steric hindrance

Solution:
The different reactivities of primary, secondary, and tertiary alcohols in the Lucas test are primarily due to steric hindrance caused by the number of alkyl groups attached to the carbon bearing the hydroxyl group. Tertiary alcohols have the least steric hindrance and react

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
What is the main reason for the diversity of species in tropical latitudes compared to temperate regions?

Options:
A Time
B Seasonal environment
C Predictable environment
D Solar energy

The correct answer is:
Time

Solution:
Ecologists and evolutionary biologists have proposed that the main reason for the diversity of species in tropical latitudes compared to temperate regions is because tropical latitudes have remained relatively undisturbed for millions of years and thus, had a long evolutionary time for species diversification.

Topic: Biology, Biodiversity and its Conservation, NEET