datavorous/entrance-exam-dataset huggingface dataset:
What is the main difference between viroids and viruses?

Options:
A Viroids lack a protein coat, while viruses have one
B Viroids have a protein coat, while viruses lack one
C Viroids have low molecular weight RNA, while viruses have high molecular weight RNA
D Viroids are obligate parasites, while viruses are saprophytic

The correct answer is:
Viroids lack a protein coat, while viruses have one

Solution:
Viroids lack the protein coat that is found in viruses.

Topic: Biology, Biological Classification, NEET
What is the main distinctive feature of echinoderms?

Options:
A Complete digestive system
B External fertilization
C Bilateral symmetry in larvae
D Water vascular system

The correct answer is:
Water vascular system

Solution:
The most distinctive feature of echinoderms is the presence of water vascular system which helps in locomotion, capture and transport of food and respiration.

Topic: Biology, Animal Kingdom, NEET
What is the main driving force for water transport in plants?

Options:
A Root pressure
B Transpirational pull
C Water movement in the xylem
D Water movement in the phloem

The correct answer is:
Transpirational pull

Solution:
Most researchers agree that water is mainly "pulled" through the plant, and that the driving force for this process is transpiration from the leaves. This is referred to as the cohesion-tension-transpiration pull model of water transport.

Topic: Biology, Transport in Plants, NEET
What is the main economic importance of bryophytes?

Options:
A They provide food for herbivores
B They are used as fuel
C They are used as packing material for trans-shipment
D They are used for medicinal purposes

The correct answer is:
They are used as fuel

Solution:
Bryophytes in general are of little economic importance but species of Sphagnum, a moss, provide peat that have long been used as fuel.

Topic: Biology, Plant Kingdom, NEET
What is the main effect of excessive dosage of cocaine?

Options:
A Euphoria
B Increased energy
C Hallucinations
D Decreased body functions

The correct answer is:
Hallucinations

Solution:
Excessive dosage of cocaine causes hallucinations.

Topic: Biology, Human Health and Diseases, NEET
What is the main elimination mechanism in our body?

Options:
A The elimination of water
B The elimination of carbon dioxide
C The elimination of nitrogenous waste
D The elimination of all substances

The correct answer is:
The elimination of nitrogenous waste

Solution:
Elimination of nitrogenous substances with special emphasis on common nitrogenous wastes is the main elimination mechanism in our body.

Topic: Biology, Excretory Products and their Elimination, NEET
What is the main energy source for the process of chemiosmosis?

Options:
A Protons in the lumen
B Electrons in the stroma
C Proton gradient
D ATP synthase

The correct answer is:
Proton gradient

Solution:
Energy is used to pump protons across a membrane, to create a gradient or a high concentration of protons within the thylakoid lumen.

Topic: Biology, Photosynthesis in Higher Plants, NEET
What is the main event of the prophase stage?

Options:
A Chromosomal material becomes tangled
B Centrosome move towards opposite poles of the cell
C Chromosomal material becomes untangled
D The new DNA molecules formed become distinct

The correct answer is:
Chromosomal material becomes untangled

Solution:
The main event of the prophase stage is that chromosomal material becomes untangled during the process of chromatin condensation.

Topic: Biology, Cell Cycle and Cell Division, NEET
What is the main evidence for the evolution of life forms on earth?

Options:
A Fossils
B Rocks
C Sediments
D Meteorite impacts

The correct answer is:
Fossils

Solution:
The main evidence for the evolution of life forms on earth is fossils, which are remains of hard parts of life:forms found in rocks.

Topic: Biology, Evolution, NEET
What is the main excretory waste eliminated by the liver?

Options:
A CO₂
B Bile-containing substances
C Sweat
D Sebum

The correct answer is:
Bile-containing substances

Solution:
The liver secretes bile-containing substances like bilirubin, biliverdin, cholesterol, degraded steroid hormones, vitamins, and drugs. Most of these substances ultimately pass out along with digestive wastes.

Topic: Biology, Excretory Products and their Elimination, NEET
What is the main excretory waste eliminated by the skin?

Options:
A CO₂
B Bile-containing substances
C Sweat
D Sebum

The correct answer is:
Sweat

Solution:
The skin eliminates excretory waste through sweat produced by the sweat glands and sebum produced by sebaceous glands. The sweat is a watery fluid containing NaCl, small amounts of urea, lactic acid, etc. while sebum contains certain substances like sterols, hydrocarbons, and waxes.

Topic: Biology, Excretory Products and their Elimination, NEET
What is the main factor contributing to the diversity of species in the Amazonian rain forest?

Options:
A Time
B Constant environment
C Solar energy
D All of the above

The correct answer is:
Time

Solution:
Ecologists and evolutionary biologists have proposed that the main factor contributing to the diversity of species in the Amazonian rain forest is time, as 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
What is the main factor leading to the decrease in ionization enthalpy down Group 15?

Options:
A Increase in atomic size
B Decrease in number of valence electrons
C Reduction in metallic character
D Presence of completely filled d orbitals

The correct answer is:
Increase in atomic size

Solution:
The paragraph attributes the decrease in ionization enthalpy down Group 15 to the gradual increase in atomic size.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What is the main factor responsible for the splitting of energy levels within the same shell in multi-electron atoms?

Options:
A Principal quantum number (n)
B Azimuthal quantum number (l)
C Magnetic quantum number (ml)
D Spin quantum number (ms)

The correct answer is:
Azimuthal quantum number (l)

Solution:
Thesplitting of energy levels within the same shell in multi-electron atoms is due to the values of n and l, with lower values of (n + l) resulting in lower energy.

Topic: Chemistry, Structure of Atom, NEET
What is the main factor responsible for the stability of an electron in a multi-electron atom?

Options:
A Attraction between the electron and nucleus
B Attraction between electrons and other electrons
C Repulsion between the electron and nucleus
D Repulsion between electrons and protons

The correct answer is:
Attraction between the electron and nucleus

Solution:
The stability of an electron in a multi-electron atom is because total attractive interactions (between the electron and nucleus) are more than the repulsive interactions.

Topic: Chemistry, Structure of Atom, NEET
What is the main factor that affects wind pollination?

Options:
A Number of ovules available for pollination
B Distance between anthers and stigma
C Receptiveness of stigma
D Chance factor in contact between pollen grains and stigma

The correct answer is:
Chance factor in contact between pollen grains and stigma

Solution:
In wind pollination, pollen grains coming in contact with the stigma is a chance factor. To compensate for this uncertainty and the associated loss of pollen grains, flowers produce an enormous amount of pollen compared to the number of ovules available for pollination.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET
What is the main factor that determined the survival of different winged moth populations?

Options:
A Their ability to camouflage themselves against their background
B Their reproductive rate
C Their resistance to pollutants
D Their food availability

The correct answer is:
Their ability to camouflage themselves against their background

Solution:
The main factor that determined the survival of different winged moth populations is their ability to camouflage themselves against their background. The white:winged moths were able to survive before industrialization because they could hide in the background of the almost white:colored lichen on the trees, while the dark-winged moths were able to survive after industrialization because they could hide in the darker background caused by industrial smoke and soots.

Topic: Biology, Evolution, NEET
What is the main factor that determines the survival of individuals in a population?

Options:
A The characteristics that enable some to survive better in natural conditions
B The size of the population
C The age of the individuals
D The intelligence of the individuals

The correct answer is:
The characteristics that enable some to survive better in natural conditions

Solution:
Those characteristics which enable some to survive better in natural conditions (climate, food, physical factors, etC)) would outbreed others that are less:endowed to survive under such natural conditions.

Topic: Biology, Evolution, NEET
What is the main factor that drives natural selection?

Options:
A The use and disuse of organs
B The competition for resources
C The ability to adapt to a habitat
D The rate of reproduction

The correct answer is:
The competition for resources

Solution:
Natural selection is driven by the competition for resources, as only some individuals survive and grow at the cost of others that cannot flourish.

Topic: Biology, Evolution, NEET
What is the main factor that motivates adolescents to try alcohol and drugs?

Options:
A Natural curiosity and experimentation
B Perception that it is 'cool' or progressive
C Stress from academics or examinations
D Family and peer pressure

The correct answer is:
Natural curiosity and experimentation

Solution:
Curiosity, need for adventure and excitement, and experimentation, constitute common causes, which motivate youngsters towards drug and alcohol use.

Topic: Biology, Human Health and Diseases, NEET
What is the main factor that the osmotic pressure of a solution depends on?

Options:
A The nature of the solvent
B The size of the solute molecules
C The temperature of the solution
D The concentration of the solution

The correct answer is:
The concentration of the solution

Solution:
The osmotic pressure of a solution, as mentioned in the paragraph, depends on the concentration of the solution.

Topic: Chemistry, Solutions, NEET
What is the main feature of living beings?

Options:
A Movement
B Breathing
C Reproduction
D All of the above

The correct answer is:
Movement

Solution:
Movement is one of the significant features of living beings and animals and plants exhibit a wide range of movements.

Topic: Biology, Locomotion and Movement, NEET
What is the main feature of oxidation reactions of alcohols?

Options:
A Formation of a carbon-oxygen double bond
B Formation of a carbon-carbon double bond
C Formation of a carbon-carbon triple bond
D Formation of a carbon-hydrogen bond

The correct answer is:
Formation of a carbon-oxygen double bond

Solution:
Oxidation reactions of alcohols involve the formation of a carbon-oxygen double bond, typically in aldehydes or ketones.

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
What is the main feature that differentiates Archaebacteria from other bacteria?

Options:
A Their ability to survive in extreme conditions
B Their size and shape
C Their genetic makeup
D Their cell wall structure

The correct answer is:
Their cell wall structure

Solution:
Archaebacteria have a different cell wall structure than other bacteria and that this feature is responsible for their ability to survive in extreme conditions.

Topic: Biology, Biological Classification, NEET
What is the main focus of dairy farming?

Options:
A Management of animals for milk and its products for human consumption
B Raising of livestock for wool
C Rearing of fish and molluscs
D Breeding of horses

The correct answer is:
Management of animals for milk and its products for human consumption

Solution:
Dairying is specifically focused on the management of animals for milk and its products for human consumption.

Topic: Biology, Strategies for Enhancement in Food Production, NEET
What is the main focus of Swachh Bharat Mission Gramin (SBM–G)?

Options:
A Promoting cleanliness and hygiene in rural areas
B Achieving 100% literacy in rural areas
C Eliminating open defecation in rural areas
D Achieving 100% scientific management of solid waste

The correct answer is:
Promoting cleanliness and hygiene in rural areas

Solution:
The main focus of SBM–G is promoting cleanliness and hygiene in rural areas.

Topic: Chemistry, Environmental Chemistry, NEET
What is the main focus of the research being conducted by ecologists about life history traits of organisms?

Options:
A Study of interspecific interactions
B Study of Pacific salmon fish breeding
C Study of evolution of life history traits in different species
D Study of abiotic and biotic components of habitats

The correct answer is:
Study of evolution of life history traits in different species

Solution:
That evolution of life history traits in different species is currently an important area of research being conducted by ecologists.

Topic: Biology, Organisms and Populations, NEET
What is the main focus of the study of Evolutionary Biology?

Options:
A The evolution of the earth
B The evolution of the stars
C The evolution of the universe
D The history of life forms on earth

The correct answer is:
The history of life forms on earth

Solution:
Evolutionary Biology is the study of the history of life forms on earth.

Topic: Biology, Evolution, NEET
What is the main function of a catalytic converter in a motor vehicle?

Options:
A To reduce noise pollution
B To increase fuel efficiency
C To reduce emission of poisonous gases
D To improve the performance of the engine

The correct answer is:
To reduce emission of poisonous gases

Solution:
Catalytic converters are fitted into automobiles for reducing emission of poisonous gases.

Topic: Biology, Environmental Issues, NEET
What is the main function of a diode?

Options:
A To detect or amplify radio signals
B To convert light energy into electrical energy
C To serve as a rectifier
D To sandwich a layer of semiconductor between two layers of another type

The correct answer is:
To serve as a rectifier

Solution:
The main function of a diode is to serve as a rectifier, allowing current to flow in one direction only.

Topic: Chemistry, Solid State, NEET
What is the main function of a neuron?

Options:
A Transmit impulses towards the cell body
B Transmit nerve impulses away from the cell body
C To form a myelin sheath
D To contain Nissl’s granules

The correct answer is:
Transmit nerve impulses away from the cell body

Solution:
The axons of a neuron transmit nerve impulses away from the cell body to a synapse or to a neuro-muscular junction.

Topic: Biology, Neural Control and Coordination, NEET
What is the main function of a solar cell?

Options:
A To serve as a rectifier
B To convert light energy into electrical energy
C To detect or amplify radio signals
D To generate electric current

The correct answer is:
To convert light energy into electrical energy

Solution:
The main function of a solar cell is to convert light energy from the sun into electrical energy.

Topic: Chemistry, Solid State, NEET
What is the main function of a stigma in wind-pollinated flowers?

Options:
A To trap the wind-borne pollen grains
B To release the pollen grains into the wind currents
C To attract pollinators with its color and fragrance
D To protect the pollen grains from wetting

The correct answer is:
To trap the wind-borne pollen grains

Solution:
The stigma in wind-pollinated flowers is often large and feathery, which helps to trap air-borne pollen grains.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET
What is the main function of a stirrer in a bioreactor?

Options:
A To control the temperature
B To control the pH
C To facilitate even mixing and oxygen availability
D To control the foam

The correct answer is:
To facilitate even mixing and oxygen availability

Solution:
The stirrer facilitates even mixing and oxygen availability throughout the bioreactor.

Topic: Biology, Biotechnology - Principles and Processes, NEET
What is the main function of a transistor?

Options:
A To serve as a rectifier
B To convert light energy into electrical energy
C To detect or amplify radio or audio signals
D To generate electric current

The correct answer is:
To detect or amplify radio or audio signals

Solution:
The main function of a transistor is to detect or amplify radio or audio signals.

Topic: Chemistry, Solid State, NEET
What is the main function of anti-transpirants?

Options:
A Reduce the rate of transpiration without affecting carbon assimilation
B Reduce the rate of transpiration affecting carbon assimilation
C Reduce the rate of transpiration affecting growth of plants
D Reduce the rate of transpiration affecting protein synthesis of plant

The correct answer is:
Reduce the rate of transpiration without affecting carbon assimilation

Solution:
Anti-transpirants reduce the rate of transpiration without affecting the metabolic process i.e., transpirants are permeable to CO2 and O2 to allow photosynthesis and respiration.

Topic: Biology, Transport in Plants, NEET
What is the main function of ATP in the cell?

Options:
A To act as the energy currency of the cell
B To provide mechanical support to the cell
C To provide a part of the surface in contact with air
D To store energy in the form of heat

The correct answer is:
To act as the energy currency of the cell

Solution:
ATP acts as the energy currency of the cell, and the energy trapped in ATP is utilised in various energy-requiring processes of the organisms.

Topic: Biology, Respiration in Plants, NEET
What is the main function of bacteria in curd production?

Options:
A To increase the Vitamin B₁₂ content
B To convert milk to curd
C To improve the nutritional quality of milk
D To check disease-causing microbes

The correct answer is:
To convert milk to curd

Solution:
In curd production, Lactobacillus and other lactic acid bacteria (LAB) grow in milk and convert it to curd by producing acids that coagulate and partially digest the milk proteins.

Topic: Biology, Microbes in Human Welfare, NEET
What is the main function of carbonic anhydrase?

Options:
A Binds O₂ to haemoglobin
B Binds CO₂ to haemoglobin
C Dissociates CO₂ from haemoglobin
D Dissociates O₂ from haemoglobin

The correct answer is:
Binds CO₂ to haemoglobin

Solution:
Carbonic anhydrase helps in the binding of CO₂ to haemoglobin.

Topic: Biology, Breathing and Exchange of Gases, NEET
What is the main function of cells in the Gₒ phase?

Options:
A To divide and form new cells
B To remain inactive
C To replace cells that have been lost due to injury or cell death
D To remain metabolically active but no longer proliferate

The correct answer is:
To remain metabolically active but no longer proliferate

Solution:
In the Gₒ phase, cells remain metabolically active but no longer proliferate.

Topic: Biology, Cell Cycle and Cell Division, NEET
What is the main function of centrosomes in a cell?

Options:
A To provide energy for the cell
B To store nutrients for the cell
C To organise microtubules for cell division
D To aid in protein synthesis

The correct answer is:
To organise microtubules for cell division

Solution:
Centrosomes play a crucial role in cell division by organising microtubules, which are necessary for the separation of chromosomes during mitosis.

Topic: Biology, Cell - The Unit of Life, NEET
What is the main function of floral rewards in some species?

Options:
A To provide nutrition for animals
B To provide a habitat for animals
C To attract pollinators
D To protect eggs

The correct answer is:
To provide a habitat for animals

Solution:
The main function of floral rewards in some species is to provide a safe place for animals to lay their eggs. An example is the tallest flower of Amorphophallus.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET
What is the main function of flowers in angiosperms?

Options:
A Photosynthesis
B Respiration
C Sexual reproduction
D Nourishment

The correct answer is:
Sexual reproduction

Solution:
Flowers are the seat of sexual reproduction in angiosperms. The androecium and gynoecium, consisting of stamens and pistils respectively, represent the male and female reproductive organs.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET
What is the main function of Henle's loop in urine formation?

Options:
A Reabsorption of essential nutrients
B Maintenance of osmolarity of medullary interstitial fluid
C Reabsorption of water and electrolytes
D Maintenance of pH and ionic balance of body fluids

The correct answer is:
Maintenance of osmolarity of medullary interstitial fluid

Solution:
Henle's loop plays a significant role in the maintenance of high osmolarity of medullary interstitial fluiD) The descending limb of loop of Henle is permeable to water but almost impermeable to electrolytes, which concentrates the filtrate as it moves down, and the ascending limb is impermeable to water but allows transport of electrolytes.

Topic: Biology, Excretory Products and their Elimination, NEET
What is the main function of joints in the body?

Options:
A To help in movement
B To act as a barrier between bones
C To store energy
D To protect bones

The correct answer is:
To help in movement

Solution:
Joints are essential for all types of movements involving the bony parts of the body. Locomotory movements are no exception to this. Force generated by the muscles is used to carry out movement through joints.

Topic: Biology, Locomotion and Movement, NEET
What is the main function of Juxta Glomerular Apparatus (JGA)?

Options:
A Filtration of blood
B Regulation of GFR
C Release of Renin
D Stimulation of Glomerular Blood Flow

The correct answer is:
Regulation of GFR

Solution:
Juxta Glomerular Apparatus (JGA) is a special sensitive region formed by cellular modifications in the distal convoluted tubule and the afferent arteriole, which functions to regulate the glomerular filtration rate (GFR) in the kidney.

Topic: Biology, Excretory Products and their Elimination, NEET
What is the main function of kinetochores?

Options:
A To hold the chromosomes in place during mitosis
B To move the chromosomes into position at the center of the cell
C To serve as the site of attachment of spindle fibres
D To aid in the condensation of chromosomal material

The correct answer is:
To serve as the site of attachment of spindle fibres

Solution:
Kinetochores serve as the site of attachment of spindle fibres, which move the

Topic: Biology, Cell Cycle and Cell Division, NEET
What is the main function of Manganese in plants?

Options:
A It is a constituent of proteins involved in electron transfer.
B It activates enzymes involved in photosynthesis and nitrogen metabolism.
C It is required for the formation of chlorophyll.
D It helps to maintain an anion-cation balance in cells.

The correct answer is:
It activates enzymes involved in photosynthesis and nitrogen metabolism.

Solution:
Manganese activates many enzymes involved in photosynthesis, respiration, and nitrogen metabolism. The best defined function of manganese is in the splitting of water to liberate oxygen during photosynthesis.

Topic: Biology, Mineral Nutrition, NEET
What is the main function of Nucleopolyhedrovirus in biological control?

Options:
A To control plant pathogens
B To attack insects and other arthropods
C To aid in integrated pest management
D To have negative impacts on the environment

The correct answer is:
To attack insects and other arthropods

Solution:
Nucleopolyhedrovirus is a genus of baculoviruses that are used as biological control agents to attack insects and other arthropods.

Topic: Biology, Microbes in Human Welfare, NEET