datavorous/entrance-exam-dataset huggingface dataset:
. What is the main reason for the enforcement of laws related to noise pollution in India?

Options:
A To reduce the number of automobiles on the street
B To reduce noise pollution
C To increase the popularity of loud sounds
D To improve the quality of life in cities

The correct answer is:
To reduce noise pollution

Solution:
Stringent following of laws laid down in relation to noise need to be enforced to protect ourselves from noise pollution.

Topic: Biology, Environmental Issues, NEET
What is the main reason for the growing realization of injustice, inadequate compensation and benefit sharing between developed and developing countries?

Options:
A The exploitation of bio-resources and traditional knowledge without proper authorization.
B The commercialization of bio-resources and traditional knowledge.
C The development of modern applications using bio-resources and traditional knowledge.
D The use of bio-resources and traditional knowledge to save time and effort.

The correct answer is:
The exploitation of bio-resources and traditional knowledge without proper authorization.

Solution:
There has been growing realization of the injustice, inadequate compensation and benefit sharing between developed and developing countries, due to the exploitation of bio-resources and traditional knowledge without proper authorization.

Topic: Biology, Biotechnology and Its Applications, NEET
What is the main reason for the increasing pollution of rivers?

Options:
A Increase in number of sewage treatment plants
B Increase in urbanization
C Direct discharge of untreated sewage into rivers
D Increase in water-borne diseases

The correct answer is:
Direct discharge of untreated sewage into rivers

Solution:
Due to the increasing urbanization, sewage is being produced in larger quantities than ever before but the number of sewage treatment plants has not increased enough. This leads to the direct discharge of untreated sewage into rivers causing their pollution.

Topic: Biology, Microbes in Human Welfare, NEET
What is the main reason for the inertness of noble gases?

Options:
A Low ionization enthalpy
B Presence of strong covalent bonds
C High electron gain enthalpy
D Completely filled valence electron configurations

The correct answer is:
Completely filled valence electron configurations

Solution:
The main reason for the inertness of noble gases is the presence of completely filled valence electron configurations, which leads to a lack of tendency to accept or lose electrons in chemical reactions.**

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What is the main reason for the infected persons not going for timely detection and proper treatment of STIs?

Options:
A Early symptoms are less significant
B Social stigma attached to STIs
C Difficulty in early detection of STIs
D Lack of awareness about STIs

The correct answer is:
Social stigma attached to STIs

Solution:
The main reason for the infected persons not going for timely detection and proper treatment of STIs is the social stigma attached to them and the absence or less significant symptoms in the early stages of infection.

Topic: Biology, Reproductive Health, NEET
What is the main reason for the irregularity in lanthanoid ionization enthalpies?

Options:
A The presence of extra stability in the f subshell
B The absence of stability in the d subshell
C The variation in the number of s electrons
D The strong reducing agent properties of lanthanoids

The correct answer is:
The presence of extra stability in the f subshell

Solution:
The irregularity in ionization enthalpies arises from the extra stability of empty, half-filled, or filled f subshell.

Topic: Chemistry, d and f Block Elements, NEET
What is the main reason for the low yield of any single compound in the free radical chlorination or bromination of alkanes?

Options:
A The reaction is too slow.
B The formation of complex isomers.
C The use of a catalyst.
D The presence of impurities in the starting materials.

The correct answer is:
The formation of complex isomers.

Solution:
The low yield of any single compound is mainly due to the formation of complex isomers in the reaction.

Topic: Chemistry, Haloalkanes and Haloarenes, NEET
What is the main reason for the lower electrophilicity of the carboxylic carbon in carboxylic acids?

Options:
A It has a higher positive charge.
B It forms stronger bonds.
C It can undergo resonance stabilization.
D It has more lone pairs of electrons.

The correct answer is:
It can undergo resonance stabilization.

Solution:
The carboxylic carbon's lower electrophilicity is primarily due to its ability to undergo resonance stabilization.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What is the main reason for the non-polar nature of alkanes?

Options:
A High electronegativity of carbon atoms
B High electronegativity of hydrogen atoms
C Very little difference in electronegativity between carbon and hydrogen atoms
D The presence of ionic bonds in alkanes

The correct answer is:
Very little difference in electronegativity between carbon and hydrogen atoms

Solution:
Alkanes are nonpolar because there is very little difference in electronegativity between carbon and hydrogen atoms, leading to a lack of significant charge separation in the molecule.

Topic: Chemistry, Hydrocarbons, NEET
What is the main reason for the small atomic radii of halogens in their respective periods?

Options:
A High electron gain enthalpy
B Maximum number of quantum shells
C Maximum effective nuclear charge
D Low ionisation enthalpy

The correct answer is:
Maximum effective nuclear charge

Solution:
The small atomic radii of halogens in their respective periods are primarily due to the maximum effective nuclear charge they experience.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What is the main reason for the uneven distribution of plant and animal diversity in the world?

Options:
A The distribution of species diversity is random.
B Latitudinal gradient in diversity.
C The biodiversity is the same everywhere in the worlD)
D Polar areas have more species than temperate or tropical areas.

The correct answer is:
Latitudinal gradient in diversity.

Solution:
The diversity of plants and animals is not uniform throughout the world but shows a rather uneven distribution. With very few exceptions, species diversity decreases as we move away from the equator towards the poles, and the tropics (latitudinal range of 23.5° N to 23.5° S) harbor more species than temperate or polar areas.

Topic: Biology, Biodiversity and its Conservation, NEET
What is the main reason nitrate can enter drinking water from agricultural activities?

Options:
A Chemical waste disposal
B Soil erosion
C Air pollution
D Urban development

The correct answer is:
Soil erosion

Solution:
Nitrate can enter drinking water from agricultural activities primarily through soil erosion, which can carry nitrates from fertilizers and animal waste into groundwater.

Topic: Chemistry, Environmental Chemistry, NEET
What is the main reason only a few exposures to infectious agents result in disease?

Options:
A The host is unable to defend itself
B The host is unable to fight the disease-causing organisms
C The host is able to defend itself from most of these foreign agents
D None of the above

The correct answer is:
The host is able to defend itself from most of these foreign agents

Solution:
Everyday we are exposed to a large number of infectious agents, however only a few of these exposures result in disease due to the fact that the body is able to defend itself from most of these foreign agents.

Topic: Biology, Human Health and Diseases, NEET
What is the main reason sodium hydrogencarbonate is used in baking soda?

Options:
A To increase acidity in baked goods
B To provide a source of hydrogen gas during baking
C To act as a raising agent by releasing carbon dioxide
D To enhance the color of baked goods

The correct answer is:
To act as a raising agent by releasing carbon dioxide

Solution:
Sodium hydrogencarbonate is used in baking as a raising agent because it releases carbon dioxide when heated, which helps baked goods rise and become light and fluffy.

Topic: Chemistry, s Block Elements, NEET
What is the main reason why potassium permanganate titrations in the presence of hydrochloric acid are unsatisfactory?

Options:
A Hydrochloric acid is oxidized to chlorine.
B Hydrochloric acid reacts with potassium permanganate to form a precipitate.
C Hydrochloric acid reduces potassium permanganate to manganate.
D Hydrochloric acid reacts with potassium permanganate to form sulfuric acid.

The correct answer is:
Hydrochloric acid is oxidized to chlorine.

Solution:
Potassium permanganate titrations in the presence of hydrochloric acid are unsatisfactory because hydrochloric acid is oxidized to chlorine.

Topic: Chemistry, d and f Block Elements, NEET
What is the main reason why predators in nature are "prudent"?

Options:
A To avoid extinction of their prey
B To acquire poisonous substances
C To avoid predation from herbivores
D To maintain a balanced ecosystem

The correct answer is:
To avoid extinction of their prey

Solution:
If a predator is too efficient and overexploits its prey, then the prey might become extinct and following it, the predator will also become extinct for lack of food) Hence, predators in nature are ‘prudent’ to avoid extinction of their prey.

Topic: Biology, Organisms and Populations, NEET
What is the main reason why stable nuclei never have more protons than neutrons?

Options:
A Neutrons are electrically neutral and help stabilize the nucleus.
B Protons are positively charged and repel one another electrically.
C Neutrons produce attractive forces that balance the repulsion between protons.
D Neutrons and protons have similar charges but different masses, creating stability.

The correct answer is:
Protons are positively charged and repel one another electrically.

Solution:
Correct Option is : (B)
Protons are positively charged and repel one another electrically.

Topic: Chemistry, Nuclear Physics, NEET
What is the main respiratory organ for gaseous exchange on land?

Options:
A Buccal cavity
B Skin
C Lungs
D Nostrils

The correct answer is:
Lungs

Solution:
The lungs are the main respiratory organs for gaseous exchange on land. Air enters through the nostrils into the buccal cavity and then to the lungs, where oxygen is exchanged for carbon dioxide during the process of pulmonary respiration. Aestivation and hibernation are states of reduced activity in which gaseous exchange may also take place through the skin.

Topic: Biology, Structural Organisation in Animals, NEET
What is the main risk of taking drugs intravenously?

Options:
A Acquiring serious infections
B Muscle strength
C Depression
D Stunted growth

The correct answer is:
Acquiring serious infections

Solution:
The main risk of taking drugs intravenously is acquiring serious infections like AIDS

Topic: Biology, Human Health and Diseases, NEET
What is the main role of aldosterone in our body?

Options:
A Maintenance of electrolytes
B Maintenance of body fluid volume
C Excretion of K+ and phosphate ions
D All of the above

The correct answer is:
All of the above

Solution:
Aldosterone is the main mineralocorticoid in our body. It acts mainly at the renal tubules and stimulates the reabsorption of Na⁺ and water and excretion of K⁺ and phosphate ions. Thus, aldosterone helps in the maintenance of electrolytes, body fluid volume, osmotic pressure and blood pressure.

Topic: Biology, Chemical Coordination and Integration, NEET
What is the main role of cortisol in our body?

Options:
A Stimulation of RBC production
B Stimulation of gluconeogenesis
C Inhibition of cellular uptake and utilisation of amino acids
D All of the above

The correct answer is:
All of the above

Solution:
Cortisol is the main glucocorticoid in our body. It stimulates gluconeogenesis, lipolysis and proteolysis; and inhibits cellular uptake and utilisation of amino acids. Cortisol also plays a role in maintaining the cardio-vascular system and the kidney functions. It produces anti-inflammatory reactions and suppresses the immune response and stimulates the RBC production.

Topic: Biology, Chemical Coordination and Integration, NEET
What is the main role of cytokinins in plants?

Options:
A Promote cell division and delay leaf senescence
B Promote root growth and inhibit lateral bud growth
C Increase the length of stems and improve the shape of fruits
D Promote flowering and prevent fruit and leaf drop

The correct answer is:
Promote cell division and delay leaf senescence

Solution:
Cytokinins have specific effects on cytokinesis, which is cell division. They were discovered as kinetin from the autoclaved herring sperm DNA and were found to promote cell division in plants. Natural cytokinins are synthesized in regions where rapid cell division occurs, such as root apices, developing shoot buds, young fruits, etc. They help to produce new leaves, chloroplasts in leaves, lateral shoot growth and adventitious shoot formation, and also promote nutrient mobilization, which helps in the delay of leaf senescence.

Topic: Biology, Plant - Growth and Development, NEET
What is the main role of glucagon in our body?

Options:
A Maintenance of normal blood glucose levels
B Stimulation of glycogenolysis
C Stimulation of gluconeogenesis
D All of the above

The correct answer is:
All of the above

Solution:
Glucagon is a peptide hormone and plays an important role in maintaining the normal blood glucose levels. It acts mainly on the liver cells (hepatocytes) and stimulates glycogenolysis, which results in an increased blood sugar (hyperglycemiA). It also stimulates the process of gluconeogenesis, which also contributes to hyperglycemia, and reduces cellular glucose uptake and utilisation.

Topic: Biology, Chemical Coordination and Integration, NEET
What is the main role of insulin in our body?

Options:
A Maintenance of normal blood glucose levels
B Stimulation of glycogenolysis
C Stimulation of gluconeogenesis
D All of the above

The correct answer is:
Maintenance of normal blood glucose levels

Solution:
Insulin plays an important role in maintaining normal blood glucose levels by regulating the uptake, storage, and utilization of glucose in the body. It acts to reduce blood sugar levels by stimulating glucose uptake and utilization by cells and promoting the storage of glucose as glycogen.

Topic: Biology, Chemical Coordination and Integration, NEET
What is the main role of nitrogen in the sustenance of life?

Options:
A Nitrogen is used in the formation of nucleic acids.
B Nitrogen is used as a source of energy.
C Nitrogen is used in the formation of amino acids.
D Nitrogen is used in the formation of carbohydrates.

The correct answer is:
Nitrogen is used in the formation of amino acids.

Solution:
Nitrogen is essential for the sustenance of life, as it is used in the formation of amino acids, which are the building blocks of proteins.

Topic: Biology, Mineral Nutrition, NEET
What is the main role of the collecting duct in producing a concentrated urine in mammals?

Options:
A Reabsorption of essential nutrients
B Reabsorption of water
C Maintenance of osmolarity gradient
D Secretion of hydrogen ions

The correct answer is:
Reabsorption of water

Solution:
The collecting duct allows large amounts of water to be reabsorbed from this region to produce a concentrated urine.

Topic: Biology, Excretory Products and their Elimination, NEET
What is the main role of the Henle's loop in producing a concentrated urine in mammals?

Options:
A Reabsorption of essential nutrients
B Reabsorption of water
C Maintenance of osmolarity gradient
D Secretion of hydrogen ions

The correct answer is:
Maintenance of osmolarity gradient

Solution:
The Henle’s loop plays a significant role in the maintenance of high osmolarity of medullary interstitial fluid by the flow of filtrate in opposite directions, which forms a counter current, helping in maintaining an increasing osmolarity towards the inner medullary interstitium.

Topic: Biology, Excretory Products and their Elimination, NEET
What is the main role of the ozone layer in the Earth's atmosphere?

Options:
A To create greenhouse gases
B To absorb harmful ultraviolet (UV) radiation
C To produce oxygen through photolysis
D To generate ozone pollution

The correct answer is:
To absorb harmful ultraviolet (UV) radiation

Solution:
The primary role of the ozone layer in the Earth's atmosphere is to absorb and shield the surface from harmful ultraviolet (UV) radiation from the sun.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What is the main solution for management of adult-onset diabetes mentioned in the paragraph?

Options:
A Taking insulin from other animals
B Taking insulin from human body
C Taking insulin at regular time intervals
D Using bacteria to produce insulin

The correct answer is:
Taking insulin at regular time intervals

Solution:
The main solution for management of adult-onset diabetes mentioned in the paragraph is taking insulin at regular time intervals.

Topic: Biology, Biotechnology and Its Applications, NEET
What is the main source of air pollution?

Options:
A Automobiles
B Industries
C Thermal power plants
D Loudspeakers

The correct answer is:
Automobiles

Solution:
Automobiles are a major cause for atmospheric air pollution.

Topic: Biology, Environmental Issues, NEET
What is the main source of carbon monoxide (CO) in the atmosphere?

Options:
A Volcanic eruptions
B Forest fires
C Incomplete combustion of carbon
D Respiration by living organisms

The correct answer is:
Incomplete combustion of carbon

Solution:
The main source of carbon monoxide (CO) in the atmosphere is the incomplete combustion of carbon-containing materials, such as automobile exhaust, coal, firewood, and petrol.

Topic: Chemistry, Environmental Chemistry, NEET
What is the main source of energy for living organisms?

Options:
A Respiration
B Photosynthesis
C Combustion of glucose
D Both A) and B)

The correct answer is:
Both A) and B)

Solution:
Both respiration and photosynthesis serve as sources of energy for living organisms.

Topic: Biology, Respiration in Plants, NEET
What is the main source of energy produced by microbes?

Options:
A Biogas
B Alcohol
C Acetic acid
D Lactic acid

The correct answer is:
Biogas

Solution:
Methanogens produce methane (biogas) while degrading plant waste and biogas produced by microbes is used as a source of energy in rural areas.

Topic: Biology, Microbes in Human Welfare, NEET
What is the main source of fascination for humans regarding the diversity of life on Earth?

Options:
A The number of species
B The variety of organisms
C The study of evolution
D The habitats of each species

The correct answer is:
The variety of organisms

Solution:
The rich variety of living organisms on Earth never ceases to amaze and fascinate humans.

Topic: Biology, Biodiversity and its Conservation, NEET
What is the main source of infection for amoebiasis?

Options:
A Drinking water and food contaminated by the faecal matter
B Contaminated water, vegetables, fruits
C Sharing glasses and utensils with an infected person
D None of the above

The correct answer is:
Drinking water and food contaminated by the faecal matter

Solution:
Drinking water and food contaminated by the faecal matter are the main source of infection for amoebiasis.

Topic: Biology, Human Health and Diseases, NEET
What is the main source of material for biogas production in rural areas?

Options:
A Food waste
B Plastic waste
C Cattle dung
D Industrial waste

The correct answer is:
Cattle dung

Solution:
In rural areas, cattle dung is available in large quantities where cattle are used for various purposes. Hence, biogas plants are mostly built in rural areas using cattle dung as the main source of material.

Topic: Biology, Microbes in Human Welfare, NEET
What is the main source of opioids?

Options:
A Coca Plant
B Poppy Plant
C Cannabis Plant
D Fungi

The correct answer is:
Poppy Plant

Solution:
Heroin is chemically diacetylmorphine, which is obtained by acetylation of morphine, which is extracted from the latex of poppy plant Papaver somniferum.

Topic: Biology, Human Health and Diseases, NEET
What is the main source of the increased amount of carbon dioxide in the air that is responsible for global warming?

Options:
A Volcanic eruptions
B Natural forest fires
C Deforestation and burning of fossil fuels
D Oceanic release of carbon dioxide

The correct answer is:
Deforestation and burning of fossil fuels

Solution:
Deforestation and the combustion of fossil fuels are significant human activities that release large amounts of carbon dioxide into the atmosphere, contributing to global warming.

Topic: Chemistry, Environmental Chemistry, NEET
What is the main storage polysaccharide of plants?

Options:
A Cellulose
B Amylose
C Amylopectin
D Starch

The correct answer is:
Starch

Solution:
Starch is the main storage polysaccharide of plants.

Topic: Chemistry, Biomolecules, NEET
What is the main strategy adopted to prevent infestation of tobacco plants by nematodes?

Options:
A Replication of mobile genetic elements
B RNA interference
C Infection by viruses
D Use of chemical pesticides

The correct answer is:
RNA interference

Solution:
The main strategy adopted to prevent infestation of tobacco plants by nematodes is RNA interference.

Topic: Biology, Biotechnology and Its Applications, NEET
What is the main structure that makes up the centriole?

Options:
A Fibrils of tubulin protein
B Radial spokes made of protein
C The hub
D Cilia or flagella

The correct answer is:
Fibrils of tubulin protein

Solution:
The centriole is made up of nine evenly spaced peripheral fibrils of tubulin protein. These fibrils form the main structure of the centriole.

Topic: Biology, Cell - The Unit of Life, NEET
What is the main symptom of Asthma?

Options:
A Chronic Disorder
B Difficulty in breathing causing wheezing
C Decreased respiratory surface
D Proliferation of fibrous tissues

The correct answer is:
Difficulty in breathing causing wheezing

Solution:
Asthma is a difficulty in breathing causing wheezing due to inflammation of bronchi and bronchioles.

Topic: Biology, Breathing and Exchange of Gases, NEET
What is the main symptom of Heart Failure?

Options:
A Congestion of the lungs
B Acute chest pain
C A heart that stops beating
D An inadequate blood supply to the heart muscle

The correct answer is:
Congestion of the lungs

Solution:
Heart failure is sometimes called congestive heart failure because congestion of the lungs is one of the main symptoms of this disease.

Topic: Biology, Body Fluids and Circulation, NEET
What is the main target of Bt toxin genes when incorporated into crop plants?

Options:
A To control cotton bollworms
B To control corn borer
C To control both cotton bollworms and corn borer
D All of these

The correct answer is:
All of these

Solution:
The choice of genes depends upon the crop and the targeted pest, as most Bt toxins are insect-group specifiC) The proteins encoded by the genes cryIAc and cryIIAb control the cotton bollworms, that of cryIAb controls corn borer.

Topic: Biology, Biotechnology and Its Applications, NEET
What is the main use of antibiotics produced by useful microbes?

Options:
A To produce biogas
B To ferment the dough
C To kill disease-causing harmful microbes
D To control pests

The correct answer is:
To kill disease-causing harmful microbes

Solution:
Antibiotics like penicillins produced by useful microbes are used to kill disease-causing harmful microbes.

Topic: Biology, Microbes in Human Welfare, NEET
What is the main use of biogas?

Options:
A Cooking
B Lighting
C Both A) and B)
D None of the above

The correct answer is:
Both A) and B)

Solution:
The biogas produced is used for cooking and lighting.

Topic: Biology, Microbes in Human Welfare, NEET