datavorous/entrance-exam-dataset huggingface dataset:
What is the function of polysaccharides in living systems?

Options:
A Structural proteins
B Genetic material
C Components of cell wall and storage forms of energy
D Hormones

The correct answer is:
Components of cell wall and storage forms of energy

Solution:
Polysaccharides are components of cell wall in plants, fungi and also of the exoskeleton of arthropods. They also are storage forms of energy (e.g., starch and glycogen).

Topic: Biology, Biomolecules (B), NEET
What is the function of potassium in plants?

Options:
A It is a structural element of cells
B It is a component of energy-related chemical compounds
C It alters the osmotic potential of a cell
D It activates enzymes

The correct answer is:
It alters the osmotic potential of a cell

Solution:
Potassium plays an important role in regulating the opening and closing of stomata in plants.

Topic: Biology, Mineral Nutrition, NEET
What is the function of proteolytic enzymes in the digestion of proteins?

Options:
A They convert proteins into proteoses and peptones
B They convert proteins into amino acids
C They convert proteins into sugars
D They convert proteins into lipids

The correct answer is:
They convert proteins into proteoses and peptones

Solution:
Proteolytic enzymes, such as trypsin and chymotrypsin, act on proteins in the chyme, breaking them down into proteoses and peptones, which are partially hydrolysed proteins.

Topic: Biology, Digestion and Absorption, NEET
What is the function of pyruvic dehydrogenase in aerobic respiration?

Options:
A Synthesis of ATP
B Oxidative decarboxylation of pyruvate
C Transport of pyruvate from the cytoplasm into the mitochondria
D Removal of hydrogen atoms from pyruvate

The correct answer is:
Oxidative decarboxylation of pyruvate

Solution:
Pyruvate undergoes oxidative decarboxylation by a complex set of reactions catalysed by pyruvic dehydrogenase.

Topic: Biology, Respiration in Plants, NEET
What is the function of rennin in the gastric juice of infants?

Options:
A To aid in the digestion of carbohydrates
B To aid in the digestion of proteins
C To aid in the digestion of milk proteins
D To aid in the absorption of vitamins

The correct answer is:
To aid in the digestion of milk proteins

Solution:
Rennin is a proteolytic enzyme found in gastric juice of infants which helps in the digestion of milk proteins. It is an enzyme that is specific to milk proteins and helps to break them down for easy digestion.

Topic: Biology, Digestion and Absorption, NEET
What is the function of RER in the cell?

Options:
A Lipid synthesis
B Protein synthesis and secretion
C Steroid hormone synthesis
D Microvilli formation

The correct answer is:
Protein synthesis and secretion

Solution:
RER is frequently observed in the cells actively involved in protein synthesis and secretion.

Topic: Biology, Cell - The Unit of Life, NEET
What is the function of restriction endonucleases?

Options:
A To form recombinant molecules of DNA
B To remove nucleotides from the ends of the DNA
C To separate the fragments of DNA
D To cut the strand of DNA

The correct answer is:
To cut the strand of DNA

Solution:
Restriction endonucleases cut the strand of DNA a little away from the centre of the palindrome sites, but between the same two bases on the opposite strands.

Topic: Biology, Biotechnology - Principles and Processes, NEET
What is the function of restriction endonucleases in genetic engineering?

Options:
A To form recombinant molecules of DNA
B To break DNA into single stranded portions
C To join DNA fragments together
D None of the above

The correct answer is:
To form recombinant molecules of DNA

Solution:
Restriction endonucleases are used in genetic engineering to form recombinant molecules of DNA.

Topic: Biology, Biotechnology - Principles and Processes, NEET
What is the function of restriction endonucleases?

Options:
A To separate and isolate DNA fragments
B To create recombinant vector molecule
C To form hydrogen bonds
D To cut DNA into fragments

The correct answer is:
To cut DNA into fragments

Solution:
Restriction endonucleases cut the DNA into fragments which can then be separated and isolated for further use.

Topic: Biology, Biotechnology - Principles and Processes, NEET
What is the function of restriction enzymes in the purification process of DNA?

Options:
A To remove RNA
B To remove proteins
C To cut the DNA
D To add ethanol

The correct answer is:
To cut the DNA

Solution:
The function of restriction enzymes in the purification process of DNA is to cut the DNA into smaller fragments, but it is necessary to have the DNA in pure form and free from other macro-molecules before using these enzymes.

Topic: Biology, Biotechnology - Principles and Processes, NEET
What is the function of ribonuclease in DNA purification process?

Options:
A To remove proteins from DNA
B To remove RNA from DNA
C To remove lipids from DNA
D To remove polysaccharides from DNA

The correct answer is:
To remove RNA from DNA

Solution:
RNA can be removed from DNA by treatment with ribonuclease in the DNA purification process.

Topic: Biology, Biotechnology - Principles and Processes, NEET
What is the function of ribosomes in prokaryotic cells?

Options:
A To store reserve material
B To translate mRNA into proteins
C To store energy
D To transport molecules

The correct answer is:
To translate mRNA into proteins

Solution:
Ribosomes are the site of protein synthesis in prokaryotic cells.

Topic: Biology, Cell - The Unit of Life, NEET
What is the function of RNA in living systems?

Options:
A Structural molecule
B Genetic material
C Messenger
D All of the above

The correct answer is:
All of the above

Solution:
RNA has multiple functions in living systems. It functions as a messenger, adapter, structural, and in some cases as a catalytic molecule.

Topic: Biology, Molecular Basis of Inheritance, NEET
What is the function of RNA in living systems?

Options:
A As a genetic material
B As a messenger
C As an adapter and structural molecule
D All of the above

The correct answer is:
All of the above

Solution:
RNA has multiple functions in living systems. It functions as a messenger, adapter, structural and in some cases as a catalytic molecule.

Topic: Biology, Molecular Basis of Inheritance, NEET
What is the function of RNA in the synthesis of proteins?

Options:
A Directly codes for the synthesis of proteins
B Synthesizes proteins independently
C Depends on DNA for synthesis of proteins
D Synthesizes proteins without the help of DNA

The correct answer is:
Depends on DNA for synthesis of proteins

Solution:
RNA depends on DNA for the synthesis of proteins and acts as a messenger for the genetic information stored in DNA.

Topic: Biology, Molecular Basis of Inheritance, NEET
What is the function of RNA polymerase I in eukaryotes?

Options:
A Transcribes rRNAs
B Transcribes tRNAs
C Transcribes precursor of mRNA
D Transcribes 5srRNA

The correct answer is:
Transcribes rRNAs

Solution:
RNA polymerase I transcribes rRNAs (28S, 18S, and 5.8S) in eukaryotes.

Topic: Biology, Molecular Basis of Inheritance, NEET
What is the function of RuBisCO in the Calvin cycle?

Options:
A Formation of glucose
B Phosphorylation
C Reduction
D Carboxylation

The correct answer is:
Carboxylation

Solution:
RuBisCO (RuBP carboxylase-oxygenase) is the enzyme that catalyses the carboxylation step of the Calvin cycle. It results in the formation of two molecules of 3-PGA from CO₂ and RuBP.

Topic: Biology, Photosynthesis in Higher Plants, NEET
What is the function of salivary amylase?

Options:
A It breaks down carbohydrates
B It breaks down fats
C It breaks down proteins
D It neutralizes stomach acid

The correct answer is:
It breaks down carbohydrates

Solution:
Salivary amylase is an enzyme that is secreted by the salivary glands into the oral cavity. Its role is to initiate the chemical process of digestion by breaking down carbohydrates.

Topic: Biology, Digestion and Absorption, NEET
What is the function of SER in the cell?

Options:
A Protein synthesis and secretion
B Lipid synthesis
C Steroid hormone synthesis
D Microvilli formation

The correct answer is:
Lipid synthesis

Solution:
The smooth endoplasmic reticulum is the major site for synthesis of lipids.

Topic: Biology, Cell - The Unit of Life, NEET
What is the function of sodium benzoate in the food industry?

Options:
A Flavor enhancer
B Food coloring
C Food preservative
D Sweetening agent

The correct answer is:
Food preservative

Solution:
Sodium benzoate is used as a food preservative in the food industry.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What is the function of spirometer?

Options:
A To create pressure gradients between the atmosphere and the alveoli
B To estimate air volume involved in inspiration and expiration
C To utilise oxygen
D To produce carbon dioxide

The correct answer is:
To estimate air volume involved in inspiration and expiration

Solution:
The volumes of air involved in inspiration and expiration can be estimated with the help of spirometer and are of clinical significance.

Topic: Biology, Breathing and Exchange of Gases, NEET
What is the function of statins?

Options:
A Clot removal
B Cholesterol reduction
C Enzyme production
D Immunosuppression

The correct answer is:
Cholesterol reduction

Solution:
Statins produced by the yeast Monascus purpureus have been commercialised as blood-cholesterol lowering agents and act by competitively inhibiting the enzyme responsible for synthesis of cholesterol.

Topic: Biology, Microbes in Human Welfare, NEET
What is the function of sulphur in the vulcanization process of rubber?

Options:
A Sulphur is added to increase the solubility of rubber in water.
B Sulphur is added to enhance the color of the rubber.
C Sulphur is added to create cross-links between polymer chains, improving the rubber's properties.
D Sulphur is added to make the rubber more rigid.

The correct answer is:
Sulphur is added to create cross-links between polymer chains, improving the rubber's properties.

Solution:
Sulphur is added during vulcanization to create cross-links between polymer chains in rubber, improving its properties such as elasticity and resilience.

Topic: Chemistry, Polymers, NEET
What is the function of tassels in the corn cob?

Options:
A To protect seeds
B To attract insects
C To trap pollen grains
D To disperse pollen grains

The correct answer is:
To trap pollen grains

Solution:
Corn is a monoecious plant. Mono means "one". Monoecious plants are those that have both male flowers and female flowers as separate structures but on the same plant. The corn cob has long tassels which help to spread the pollen into the flow of the wind. This pollen dispersion allows the growth of future progeny due to the wider dispersion of pollen into the wind.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET, NEET 2023 (All India)
What is the function of taste buds on the tongue?

Options:
A To produce enzymes
B To break down food
C To detect different tastes
D To produce hormones

The correct answer is:
To detect different tastes

Solution:
Some of the papillae on the upper surface of the tongue bear taste buds, which are responsible for detecting different tastes such as sweet, sour, salty, and bitter.

Topic: Biology, Digestion and Absorption, NEET
What is the function of T-DNA in Agrobacterium tumifaciens?

Options:
A To deliver genes of interest into a variety of plants
B To transform normal plant cells into a tumor
C To deliver genes into bacteria
D To transform normal animal cells into cancerous cells

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

Solution:
Agrobacterium tumifaciens is able to deliver a piece of DNA known as ‘T-DNA’ to transform normal plant cells into a tumor.

Topic: Biology, Biotechnology - Principles and Processes, NEET
What is the function of teeth in the oral cavity?

Options:
A To produce enzymes
B To break down food
C To aid in swallowing
D To produce hormones

The correct answer is:
To break down food

Solution:
The oral cavity has a number of teeth that aid in breaking down food during the digestion process. Each tooth is embedded in a socket of jaw bone.

Topic: Biology, Digestion and Absorption, NEET
What is the function of the acromion in the scapula?

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

The correct answer is:
Articulation with the clavicle

Solution:
The acromion is a slightly elevated ridge in the scapula that projects as a flat, expanded process and articulates with the clavicle.

Topic: Biology, Locomotion and Movement, NEET
What is the function of the afferent nerve fibres?

Options:
A Transmit impulses from the CNS to peripheral tissues/organs
B Transmit impulses from tissues/organs to the CNS
C Transmit impulses from the CNS to skeletal muscles
D Transmit impulses from the CNS to involuntary organs and smooth muscles

The correct answer is:
Transmit impulses from tissues/organs to the CNS

Solution:
The afferent nerve fibres transmit impulses from tissues/organs to the CNS.

Topic: Biology, Neural Control and Coordination, NEET
What is the function of the aleurone layer in cereal seeds?

Options:
A To store food
B To protect the embryo
C To separate the endosperm from the embryo
D To provide support for the plumule and radicle

The correct answer is:
To separate the endosperm from the embryo

Solution:
The aleurone layer is a proteinous layer that separates the endosperm from the embryo in cereal seeds. This layer acts as a barrier between the two, protecting the embryo and ensuring that it has access to the food stored in the endosperm.

Topic: Biology, Morphology of Flowering Plants, NEET
What is the function of the anaerobic sludge digesters?

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

The correct answer is:
To digest the bacteria and the fungi in the sludge

Solution:
The anaerobic sludge digesters use bacteria that grow anaerobically to digest the bacteria and fungi in the sludge.

Topic: Biology, Microbes in Human Welfare, NEET
What is the function of the anticodon loop in tRNA?

Options:
A To bind to specific amino acids
B To form stop codons
C To read the genetic code
D To create specific reading frames

The correct answer is:
To read the genetic code

Solution:
The anticodon loop of tRNA contains bases that are complementary to the genetic code, enabling the tRNA to read the code and bind to the appropriate amino acid.

Topic: Biology, Molecular Basis of Inheritance, NEET
What is the function of the association areas in the brain?

Options:
A Memory and Communication
B Intersensory Association
C Motor Areas
D Sensory Areas

The correct answer is:
Memory and Communication

Solution:
The association areas in the brain are responsible for complex functions such as intersensory associations, memory and communication.

Topic: Biology, Neural Control and Coordination, NEET
What is the function of the bilobed tongue in the digestive process?

Options:
A Secretes bile that is stored in the gallbladder
B Produces pancreatic juice containing digestive enzymes
C Digests carbohydrates and proteins
D Captures food

The correct answer is:
Captures food

Solution:
The bilobed tongue is used to capture food and move it towards the pharynx for swallowing, where it then enters the digestive system.

Topic: Biology, Structural Organisation in Animals, NEET
What is the function of the Calvin cycle in photosynthesis?

Options:
A Absorbing light energy
B Adding CO₂ to RuBP
C Synthesis of ATP
D Converting PGA to sugar

The correct answer is:
Converting PGA to sugar

Solution:
The Calvin cycle is a crucial step in photosynthesis that takes place in the stroma of chloroplasts. It converts the 3-carbon PGA to sugar using ATP and NADPH synthesized in the light reaction.

Topic: Biology, Photosynthesis in Higher Plants, NEET
What is the function of the casparian strip in the endodermis of roots?

Options:
A To allow water movement
B To prevent water movement
C To provide a barrier to water movement
D To allow only symplastic movement

The correct answer is:
To prevent water movement

Solution:
The casparian strip in the endodermis is impervious to water and prevents water movement, directing water to wall regions that are not suberised.

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

Options:
A To replicate DNA
B To form new cells
C To ensure the integrity of the genome in progeny cells
D All of the above

The correct answer is:
All of the above

Solution:
The cell cycle is the sequence of events which includes DNA replication, synthesis of other cell components, and cell division, all of which are essential for the formation of new cells and the preservation of the integrity of the genome in progeny cells.

Topic: Biology, Cell Cycle and Cell Division, NEET
What is the function of the cell wall in prokaryotic cells?

Options:
A To protect the cell from damage
B To regulate the movement of molecules into and out of the cell
C To store genetic material
D To control cell growth

The correct answer is:
To protect the cell from damage

Solution:
The cell wall in prokaryotic cells is responsible for providing structural support and protection for the cell from external damage.

Topic: Biology, Cell - The Unit of Life, NEET
What is the function of the cells in the region of meristematic activity in a plant root?

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

The correct answer is:
To divide repeatedly

Solution:
The cells of the region of meristematic activity in a plant root divide repeatedly.

Topic: Biology, Morphology of Flowering Plants, NEET
What is the function of the centrioles in animal cells?

Options:
A To form the basal body of cilia or flagella
B To give rise to spindle fibres for cell division
C To connect the hub to the peripheral triplets
D To provide structural support for the cell

The correct answer is:
To give rise to spindle fibres for cell division

Solution:
Centrioles in animal cells are responsible for forming spindle fibres that give rise to the spindle apparatus during cell division. This is an essential process for the proper division of cells.

Topic: Biology, Cell - The Unit of Life, NEET
What is the function of the cerebral cortex in the brain?

Options:
A Contains motor areas, sensory areas and association areas
B Forms the major part of the human brain
C A major coordinating center for sensory and motor signaling
D Expression of emotional reactions

The correct answer is:
Contains motor areas, sensory areas and association areas

Solution:
The cerebral cortex contains motor areas, sensory areas, and large regions that are neither clearly sensory nor motor in function, known as the association areas, which are responsible for complex functions.

Topic: Biology, Neural Control and Coordination, NEET
What is the function of the cerebral cortex?

Options:
A Memory and Communication
B Intersensory Association
C Motor Areas
D All of the Above

The correct answer is:
All of the Above

Solution:
The cerebral cortex contains motor areas, sensory areas, and large regions that are neither clearly sensory nor motor in function. These regions, called the association areas, are responsible for complex functions such as intersensory associations, memory and communication.

Topic: Biology, Neural Control and Coordination, NEET
What is the function of the choanocytes in sponges?

Options:
A Support the body
B Digestion
C Water transport
D Reproduction

The correct answer is:
Water transport

Solution:
Choanocytes, also known as collar cells, line the spongocoel and canals in sponges and play a role in water transport.

Topic: Biology, Animal Kingdom, NEET
What is the function of the clitoris in the female external genitalia?

Options:
A To surround the vaginal opening
B To partially cover the opening of the vagina
C A cushion of fatty tissue covered by skin and pubic hair
D To lie at the upper junction of the two labia minora

The correct answer is:
To lie at the upper junction of the two labia minora

Solution:
The clitoris is a tiny finger-like structure that lies at the upper junction of the two labia minora above the urethral opening, and is part of the female external genitalia.

Topic: Biology, Human Reproduction, NEET
What is the function of the closed circulatory system?

Options:
A To regulate fluid flow precisely
B To absorb fats
C To carry lymph
D To exchange nutrients and gases

The correct answer is:
To regulate fluid flow precisely

Solution:
The closed circulatory system is more advantageous as it allows the flow of fluid to be more precisely regulated.

Topic: Biology, Body Fluids and Circulation, NEET
What is the function of the cotyledons in a seed?

Options:
A To harden and protect the ovules
B To store food reserves
C To facilitate the entry of oxygen and water into the seed
D To enter a state of dormancy

The correct answer is:
To store food reserves

Solution:
The cotyledons of the embryo are simple structures, generally thick and swollen due to the storage of food reserves.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET
What is the function of the cristae in the mitochondria?

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

The correct answer is:
To increase the surface area

Solution:
The cristae, which are infoldings of the inner membrane, increase the surface area of the organelle and therefore increase the efficiency of the respiratory process.

Topic: Biology, Cell - The Unit of Life, NEET
What is the function of the crop in the digestive tract of birds?

Options:
A To grind food
B To store food
C To digest food
D To absorb nutrients

The correct answer is:
To store food

Solution:
The crop is an additional chamber in the digestive tract of birds that is used to store food. It is located at the base of the bird's esophagus and can expand to hold large quantities of food.

Topic: Biology, Animal Kingdom, NEET
What is the function of the cytoplasm in the pollen grain?

Options:
A To provide nutrition to the generative 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 provide nutrition to the generative cell

Solution:
The cytoplasm provides nutrition to the generative cell.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET
What is the function of the efferent nerve fibres?

Options:
A Transmit impulses from the CNS to peripheral tissues/organs
B Transmit impulses from tissues/organs to the CNS
C Transmit impulses from the CNS to skeletal muscles
D Transmit impulses from the CNS to involuntary organs and smooth muscles

The correct answer is:
Transmit impulses from the CNS to peripheral tissues/organs

Solution:
The efferent nerve fibres transmit regulatory impulses from the CNS to the concerned peripheral tissues/organs.

Topic: Biology, Neural Control and Coordination, NEET
What is the function of the electron acceptor in photosystem II?

Options:
A To provide electrons to NADP⁺
B To pick up excited electrons
C To provide electrons to ATP
D To provide electrons to photosystem I

The correct answer is:
To pick up excited electrons

Solution:
In photosystem II, the electron acceptor picks up the excited electrons that were created when the reaction center chlorophyll a absorbed 680 nm wavelength of light.

Topic: Biology, Photosynthesis in Higher Plants, NEET
What is the function of the endometrium in the female reproductive system?

Options:
A Strong contractions during delivery
B Cyclical changes during menstrual cycle
C Production of steroid hormones
D Support of the uterus

The correct answer is:
Cyclical changes during menstrual cycle

Solution:
The endometrium is a glandular layer that lines the uterine cavity and undergoes cyclical changes during the menstrual cycle.

Topic: Biology, Human Reproduction, NEET