datavorous/entrance-exam-dataset huggingface dataset:
What is the purpose of the acetabulum in the coxal bone?

Options:
A Articulation with the clavicle
B Articulation with the head of the femur
C Protection of the spinal cord
D Articulation with the head of the humerus

The correct answer is:
Articulation with the head of the femur

Solution:
The acetabulum is a cavity at the point of fusion of the ilium, ischium and pubis in the coxal bone and articulates with the thigh bone.

Topic: Biology, Locomotion and Movement, NEET
What is the purpose of the alkaline medium in the disproportionation reactions of phosphorus, sulfur, and chlorine?

Options:
A To neutralize acids
B To enhance color formation
C To provide a reducing environment
D To facilitate the reaction and product formation

The correct answer is:
To facilitate the reaction and product formation

Solution:
The alkaline medium in the disproportionation reactions of phosphorus, sulfur, and chlorine serves to facilitate the reaction and product formation, as mentioned in the passage.

Topic: Chemistry, Redox Reactions, NEET
What is the purpose of the composting toilets?

Options:
A To save water used in flushing toilets
B To dispose of human waste
C To provide a practical solution to human waste disposal
D To reduce the need for chemical fertilisers

The correct answer is:
To reduce the need for chemical fertilisers

Solution:
The composting toilets aim to recycle human excreta into a resource (natural fertiliser), reducing the need for chemical fertilisers.

Topic: Biology, Environmental Issues, NEET
What is the purpose of the Cottrell precipitator in the electrical precipitation of smoke?

Options:
A Filtration
B Centrifugation
C Precipitation
D Ionization

The correct answer is:
Precipitation

Solution:
The Cottrell precipitator is used for the precipitation of smoke particles in the electrical precipitation process.

Topic: Chemistry, Surface Chemistry, NEET
What is the purpose of the cranial meninges that cover the brain?

Options:
A To protect the brain from damage
B To regulate temperature
C To control the heart and lungs
D To process speech and hearing

The correct answer is:
To protect the brain from damage

Solution:
The cranial meninges consisting of dura mater, arachnoid and pia mater protect the brain and act as a protective layer.

Topic: Biology, Neural Control and Coordination, NEET
What is the purpose of the dialysing fluid used in hemodialysis?

Options:
A To remove glucose from the blood
B To remove urea from the blood
C To have the same composition as plasma
D To remove bilirubin from the blood

The correct answer is:
To have the same composition as plasma

Solution:
The dialysing fluid used in hemodialysis has the same composition as plasma except the nitrogenous wastes. This helps to create a concentration gradient that allows the nitrogenous wastes to move freely out of the blood.

Topic: Biology, Excretory Products and their Elimination, NEET
What is the purpose of the drug cimetidine (Tegamet)?

Options:
A To increase histamine levels
B To neutralize stomach acid
C To prevent histamine-receptor interaction
D To stimulate acid secretion

The correct answer is:
To prevent histamine-receptor interaction

Solution:
Cimetidine was designed to prevent the interaction of histamine with the receptors present in the stomach wall.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What is the purpose of the endosperm in the development of an embryo?

Options:
A To protect the embryo
B To serve as a source of nutrition for the developing embryo
C To provide energy for the embryo's growth
D To regulate the temperature of the embryo

The correct answer is:
To serve as a source of nutrition for the developing embryo

Solution:
The cells of the endosperm tissue are filled with reserve food materials and are used for the nutrition of the developing embryo.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET
What is the purpose of the Environment Protection Act, 1986 in India?

Options:
A To encourage environmental pollution
B To promote environmental degradation
C To improve the quality of the environment
D To discourage protection of the environment

The correct answer is:
To improve the quality of the environment

Solution:
The Environment (Protection) Act, 1986 in India was passed to protect and improve the quality of the environment (air, water and soil) by controlling environmental pollution.

Topic: Biology, Environmental Issues, NEET
What is the purpose of the epithelial cells of Bowman's capsule in urine formation?

Options:
A To act as a filtration membrane
B To secrete substances into the Bowman's capsule lumen
C To absorb substances from the Bowman's capsule lumen
D To transport substances from the Bowman's capsule lumen to the renal tubule

The correct answer is:
To act as a filtration membrane

Solution:
The epithelial cells of Bowman's capsule, called podocytes, are arranged in an intricate manner so as to leave some minute spaces called filtration slits or slit pores. Blood is filtered so finely through these membranes, that almost all the constituents of the plasma except the proteins pass onto the lumen of the Bowman's capsule.

Topic: Biology, Excretory Products and their Elimination, NEET
What is the purpose of the generative cell in the mature pollen grain?

Options:
A To provide nutrition to the vegetative cell
B To produce male gametes
C To protect the pollen grain from external damage
D To regulate the temperature of the pollen grain

The correct answer is:
To produce male gametes

Solution:
The generative cell is small and floats in the cytoplasm of the vegetative cell. It is spindle shaped with dense cytoplasm and a nucleus. In over 60% of angiosperms, the generative cell is responsible for producing the male gametes.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET
What is the purpose of the glenoid cavity in the scapula?

Options:
A Articulation with the head of the femur
B Articulation with the clavicle
C Protection of the spinal cord
D Articulation with the head of the humerus

The correct answer is:
Articulation with the head of the humerus

Solution:
The glenoid cavity in the scapula articulates with the head of the humerus to form the shoulder joint.

Topic: Biology, Locomotion and Movement, NEET
What is the purpose of the haloform reaction in the detection of specific functional groups?

Options:
A To form alkenes
B To form aldehydes
C To form haloforms
D To form ketones

The correct answer is:
To form haloforms

Solution:
The purpose of the haloform reaction in the detection of specific functional groups is to form haloforms.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What is the purpose of the hepatic portal system?

Options:
A To deliver nutrients to the tissues
B To take CO₂ and harmful substances away for elimination
C To circulate blood to the cardiac musculature
D To carry blood from intestine to the liver before it enters systemic circulation

The correct answer is:
To carry blood from intestine to the liver before it enters systemic circulation

Solution:
The hepatic portal system is a unique vascular connection between the digestive tract and liver and carries blood from the intestine to the liver before it enters the systemic circulation.

Topic: Biology, Body Fluids and Circulation, NEET
What is the purpose of the immune system?

Options:
A To distinguish self-cells from foreign organisms
B To attack self-cells
C To cause auto-immune disease
D To recognize and respond to foreign antigens

The correct answer is:
To recognize and respond to foreign antigens

Solution:
The immune system is designed to recognize and respond to foreign antigens, not to attack self-cells.

Topic: Biology, Human Health and Diseases, NEET
What is the purpose of the infection thread in the nodule formation process?

Options:
A To carry the bacteria into the cortex of the root.
B To initiate the nodule formation in the cortex of the root.
C To establish a direct vascular connection with the host.
D To differentiate specialised nitrogen fixing cells.

The correct answer is:
To carry the bacteria into the cortex of the root.

Solution:
The infection thread is produced to carry the bacteria from the root-hair into the cortex of the root, where the nodule formation takes place.

Topic: Biology, Mineral Nutrition, NEET
What is the purpose of the IUPAC system of nomenclature in organic chemistry?

Options:
A To assign names based on the compound's properties
B To create traditional and common names for compounds
C To correlate names with the compound's structure
D To classify compounds into families or homologous series

The correct answer is:
To correlate names with the compound's structure

Solution:
The IUPAC system of nomenclature correlates names with the structure of organic compounds.

Topic: Chemistry, General Organic Chemistry, NEET
What is the purpose of the kinetochores in mitosis?

Options:
A To hold the chromosomes together
B To align the chromosomes along the metaphase plate
C To serve as the site of attachment of spindle fibres to the chromosomes
D To initiate the condensation of chromosomal material

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

Solution:
Kinetochores are small disc-shaped structures located at the surface of the centromeres that serve as the attachment points for spindle fibres to the chromosomes, allowing them to be moved into position at the center of the cell during mitosis.

Topic: Biology, Cell Cycle and Cell Division, NEET
What is the purpose of the laws being developed by some nations?

Options:
A To exploit bio-resources and traditional knowledge without proper authorization.
B To prevent the exploitation of bio-resources and traditional knowledge without proper authorization.
C To compensate for the exploitation of bio-resources and traditional knowledge.
D To commercialize bio-resources and traditional knowledge.

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

Solution:
Some nations are developing laws to prevent the unauthorised exploitation of their bio-resources and traditional knowledge.

Topic: Biology, Biotechnology and Its Applications, NEET
What is the purpose of the malarial parasite needing a vector?

Options:
A To spread to other hosts
B To reduce the survival, growth, and reproduction of the host
C To facilitate parasitisation of the primary host
D To make the host physically weak

The correct answer is:
To spread to other hosts

Solution:
Darwin notes that the malarial parasite needs a vector (mosquito) to spread to other hosts.

Topic: Biology, Organisms and Populations, NEET
What is the purpose of the mantle cavity in molluscs?

Options:
A Respiration
B Excretion
C Reproduction
D Both A) and B)

The correct answer is:
Both A) and B)

Solution:
The mantle cavity in molluscs has both respiratory and excretory functions.

Topic: Biology, Animal Kingdom, NEET
What is the purpose of the matrix in the mitochondria?

Options:
A To store single circular DNA molecules
B To produce cellular energy
C To divide the organelle by fission
D To increase the surface area

The correct answer is:
To store single circular DNA molecules

Solution:
The matrix of the mitochondria is filled with a dense homogeneous substance and contains a single circular DNA molecule, RNA molecules, ribosomes, and components required for protein synthesis.

Topic: Biology, Cell - The Unit of Life, NEET
What is the purpose of the membranes in these processes?

Options:
A To bind substances together
B To provide natural origin to substances
C To create submicroscopic holes
D To facilitate the exchange of solvents or particles

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

Solution:
The purpose of the membranes in these processes is to facilitate the exchange of solvents or particles.

Topic: Chemistry, Solutions, NEET
What is the purpose of the metaphase stage in mitosis?

Options:
A To separate the chromatids
B To align the chromosomes at the spindle equator
C To move the chromosomes to opposite poles of the cell
D To initiate the condensation of chromosomal material

The correct answer is:
To align the chromosomes at the spindle equator

Solution:
The purpose of the metaphase stage in mitosis is to align the chromosomes along the the equator.

Topic: Biology, Cell Cycle and Cell Division, NEET
What is the purpose of the micropyle in a seed?

Options:
A To attach the developing seeds to the fruit
B To store food materials
C To serve as a food storing tissue
D A small pore for absorption of water

The correct answer is:
A small pore for absorption of water

Solution:
The micropyle is a small pore on the seed coat that allows for the absorption of water into the seed.

Topic: Biology, Morphology of Flowering Plants, NEET
What is the purpose of the Molecular Orbital (MO) Theory?

Options:
A To explain atomic structure
B To predict molecular shapes
C To understand the electronic configuration of elements
D To describe the periodic table

The correct answer is:
To predict molecular shapes

Solution:
The Molecular Orbital (MO) Theory is one of the theories used to predict molecular shapes.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What is the purpose of the NADPH produced in the chloroplast?

Options:
A To activate ATP synthase enzyme
B To fix CO₂ and synthesize sugars
C To pump protons across the membrane
D To create a proton gradient

The correct answer is:
To fix CO₂ and synthesize sugars

Solution:
The NADPH produced in the chloroplast is used immediately in the biosynthetic reaction taking place in the stroma, which is responsible for fixing CO₂ and synthesizing sugars.

Topic: Biology, Photosynthesis in Higher Plants, NEET
What is the purpose of the nodule formation process?

Options:
A To multiply and colonize the surroundings of roots.
B To provide a direct vascular connection with the host.
C To differentiate specialised nitrogen fixing cells.
D To fix atmospheric nitrogen.

The correct answer is:
To provide a direct vascular connection with the host.

Solution:
The nodule formation process is carried out to establish a direct vascular connection between the host plant and the nodule, which contains all the necessary biochemical components for nitrogen fixation. The nodule thus formed helps to fix atmospheric nitrogen.

Topic: Biology, Mineral Nutrition, NEET
What is the purpose of the operator and repressor in the lac operon?

Options:
A To synthesise RNA polymerase
B To bind to the promoter region
C To bind a transcription factor
D To repress the expression of beta-galactosidase

The correct answer is:
To repress the expression of beta-galactosidase

Solution:
The lac operator is present only in the lac operon and it interacts specifically with the lac repressor protein to repress the expression of beta-galactosidase.

Topic: Biology, Molecular Basis of Inheritance, NEET
What is the purpose of the pectoral girdle?

Options:
A To articulate the upper limbs with the axial skeleton
B To articulate the lower limbs with the axial skeleton
C To support the thorax
D To support the head

The correct answer is:
To articulate the upper limbs with the axial skeleton

Solution:
Pectoral girdle bones help in the articulation of the upper limbs with the axial skeleton.

Topic: Biology, Locomotion and Movement, NEET
What is the purpose of the root cap in a plant root?

Options:
A To absorb water and minerals
B To protect the tender apex of the root
C To regulate meristematic activity
D To promote root hair formation

The correct answer is:
To protect the tender apex of the root

Solution:
The root cap protects the tender apex of the root as it makes its way through the soil.

Topic: Biology, Morphology of Flowering Plants, NEET
What is the purpose of the rules and principles used in taxonomy?

Options:
A To identify and classify all known living organisms
B To make the study of organisms more difficult
C To make the study of organisms more manageable and efficient
D To classify organisms based on their physical appearance

The correct answer is:
To make the study of organisms more manageable and efficient

Solution:
In order to facilitate the study of kinds and diversity of organisms,

Topic: Biology, The Living World, NEET
What is the purpose of the selection process in plant breeding?

Options:
A To select the best performing plants in research fields
B To achieve uniformity in the characters of the plants
C To evaluate the yield and agronomic traits of the plants
D To select the plants that have the desired character combination

The correct answer is:
To select the plants that have the desired character combination

Solution:
The selection process is crucial to the success of the breeding objective and involves selecting those plants that have the desired character combination among the progeny of the hybrids.

Topic: Biology, Strategies for Enhancement in Food Production, NEET
What is the purpose of the semilunar valves in the heart?

Options:
A To allow the flow of blood only in one direction
B To prevent the flow of blood only in one direction
C To allow the flow of blood in both directions
D To prevent the flow of blood in both directions

The correct answer is:
To allow the flow of blood only in one direction

Solution:
The semilunar valves in the heart allows the flow of blood only in one direction, i.e., from the ventricles to the pulmonary artery or aorta. This prevents any backward flow of blood.

Topic: Biology, Body Fluids and Circulation, NEET
What is the purpose of the settling tank in a sewage treatment plant?

Options:
A To remove solid particles
B To produce biogas
C To digest the bacteria in the sludge
D To release the effluent into natural water bodies

The correct answer is:
To remove solid particles

Solution:
The settling tank allows the bacterial "flocs" to sediment and form the activated sludge, which is then used for further treatment.

Topic: Biology, Microbes in Human Welfare, NEET
What is the purpose of the symbols used in pedigree analysis?

Options:
A To identify the sex of an individual
B To represent the inheritance of a particular trait in the family tree
C To represent the number of chromosomes in an individual
D To indicate the presence of a genetic mutation

The correct answer is:
To represent the inheritance of a particular trait in the family tree

Solution:
Symbols are used in pedigree analysis to represent the inheritance of a particular trait or disease in the family tree over several generations.

Topic: Biology, Principles of Inheritance and Variation, NEET
What is the purpose of the T-DNA in Agrobacterium tumifaciens?

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

The correct answer is:
To transform plant cells into a tumor

Solution:
The T-DNA in Agrobacterium tumifaciens is responsible for delivering a piece of DNA to transform normal plant cells into a tumor.

Topic: Biology, Biotechnology - Principles and Processes, NEET
What is the purpose of the villi in the small intestine?

Options:
A To protect the alimentary canal
B To control the movement of food
C To aid in absorption of nutrients
D To produce hormones

The correct answer is:
To aid in absorption of nutrients

Solution:
The small intestine's mucosa layer forms small finger-like foldings called villi, which increase the surface area for absorption of nutrients, by providing more space for enzymes to work on.

Topic: Biology, Digestion and Absorption, NEET
What is the purpose of the Water (Prevention and Control of Pollution) Act, 1974?

Options:
A To regulate the use of water resources
B To preserve water bodies
C To prevent and control water pollution
D To conserve water resources

The correct answer is:
To prevent and control water pollution

Solution:
The Government of India has passed the Water (Prevention and Control of Pollution) Act, 1974 to safeguard our water resources and prevent and control water pollution.

Topic: Biology, Environmental Issues, NEET
What is the purpose of the "Z" line in a myofibril?

Options:
A To contract the sarcomere
B To hold the thick filaments together
C To separate the sarcomeres
D To regulate the overlap of thin filaments on thick filaments

The correct answer is:
To separate the sarcomeres

Solution:
The "Z" line separates the sarcomeres in a myofibril.

Topic: Biology, Locomotion and Movement, NEET
What is the purpose of the Z scheme in the photosynthesis process?

Options:
A To transfer electrons from the reaction center of PS II to NADP⁺
B To excite electrons in PS I
C To absorb red light of 700 nm wavelength
D To reduce NADP⁺ to NADPH + H⁺

The correct answer is:
To transfer electrons from the reaction center of PS II to NADP⁺

Solution:
The Z scheme refers to the transfer of electrons, starting from photosystem II, uphill to the acceptor, down the electron transport chain to PS I, excitation of electrons, transfer to another acceptor, and finally downhill to NADP⁺ reducing it to NADPH + H⁺.

Topic: Biology, Photosynthesis in Higher Plants, NEET
What is the purpose of the zygote dividing only after the formation of a certain amount of endosperm?

Options:
A To provide structure to the developing embryo
B To provide assured nutrition to the developing embryo
C To protect the developing embryo
D To provide energy to the developing embryo

The correct answer is:
To provide assured nutrition to the developing embryo

Solution:
The zygote divides only after the formation of a certain amount of endosperm, which acts as a source of nutrition for the developing embryo.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET
What is the purpose of thiosulfate ions (S2O32-) in iodometry?

Options:
A To oxidize iodine to iodide ions.
B To reduce iodine to iodide ions.
C To form a blue complex with iodine.
D To stabilize Cu2I2 precipitate.

The correct answer is:
To reduce iodine to iodide ions.

Solution:
Thiosulfate ions (S2O32-) are used to reduce iodine (I2) back to iodide ions (I-) in the reaction, effectively consuming the liberated iodine.

Topic: Chemistry, Redox Reactions, NEET
What is the purpose of toxicity testing in transgenic animals?

Options:
A To test the safety of vaccines
B To study the regulation of genes
C To determine the effects of toxic substances
D To produce medicines cheaper

The correct answer is:
To determine the effects of toxic substances

Solution:
Transgenic animals are made to be more sensitive to toxic substances and are used in toxicity testing to determine the effects of toxic substances and obtain results in less time.

Topic: Biology, Biotechnology and Its Applications, NEET
What is the purpose of treating calcium carbide with water in the ethyne production process?

Options:
A To produce calcium oxide
B To generate carbon dioxide
C To form calcium hydroxide
D To obtain ethyne

The correct answer is:
To obtain ethyne

Solution:
The primary purpose of treating calcium carbide with water is to obtain ethyne (C2H2), which is the desired product in the ethyne production process.

Topic: Chemistry, Hydrocarbons, NEET
What is the purpose of treating the acidified sodium fusion extract with silver nitrate?

Options:
A To neutralize the solution
B To detect the presence of sulfur
C To detect the presence of halogens
D To create a white precipitate

The correct answer is:
To detect the presence of halogens

Solution:
Treating the acidified sodium fusion extract with silver nitrate is done to detect the presence of halogens.

Topic: Chemistry, General Organic Chemistry, NEET
What is the purpose of using a catalyst in the Rosenmund reduction?

Options:
A To provide energy for the reaction
B To increase the reaction temperature
C To speed up the reaction without being consumed
D To act as a reactant in the reaction

The correct answer is:
To speed up the reaction without being consumed

Solution:
Catalysts are used to increase the reaction rate without being consumed in the reaction.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET