datavorous/entrance-exam-dataset huggingface dataset:
What is the main characteristic that differentiates one order from another in taxonomic classification?

Options:
A The number of similar characters
B The number of different characters
C The number of similar families
D The number of different genera

The correct answer is:
The number of similar characters

Solution:
Generally, order and other higher taxonomic categories are identified based on the aggregates of characters, and order being a higher category, is the assemblage of families which exhibit a few similar characters.

Topic: Biology, The Living World, NEET
What is the main characteristic that differentiates one species from another closely related species in taxonomic studies?

Options:
A Genetic makeup
B Behavior
C Environment
D Distinct morphological differences

The correct answer is:
Distinct morphological differences

Solution:
In taxonomic studies, one should be able to distinguish one species from the other closely related species based on the distinct morphological differences.

Topic: Biology, The Living World, NEET
What is the main commercial source of helium?

Options:
A Natural gas
B Volcanoes
C The Sun
D Igneous rocks

The correct answer is:
Natural gas

Solution:
The main commercial source of helium is natural gas.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What is the main complication of STIs if left untreated?

Options:
A Infertility
B Cancer of the reproductive tract
C Ectopic pregnancies
D All of the above

The correct answer is:
All of the above

Solution:
STIs could lead to various complications later if left untreated, including pelvic inflammatory diseases (PID), abortions, still births, ectopic pregnancies, infertility, or even cancer of the reproductive tract.

Topic: Biology, Reproductive Health, NEET
What is the main component in RBCs that helps in the binding of CO₂?

Options:
A Oxygen
B Carbon dioxide
C Carbonic anhydrase
D Hydrogen ion

The correct answer is:
Carbonic anhydrase

Solution:
RBCs contain a very high concentration of the enzyme, carbonic anhydrase which helps in the binding of CO₂.

Topic: Biology, Breathing and Exchange of Gases, NEET
What is the main component of a clot?

Options:
A Prothrombin
B Thrombin
C Fibrins
D Thrombokinase

The correct answer is:
Fibrins

Solution:
A clot is mainly formed of a network of threads called fibrins in which dead and damaged formed elements of blood are trapped.

Topic: Biology, Body Fluids and Circulation, NEET
What is the main component of a thick filament in a myofibril?

Options:
A F actins
B Meromyosins
C Troponin
D Tropomyosin

The correct answer is:
Meromyosins

Solution:
The thick filament in a myofibril is made up of many monomeric proteins called Meromyosins.

Topic: Biology, Locomotion and Movement, NEET
What is the main component of an actin (thin) filament?

Options:
A Troponin
B Tropomyosin
C F (Filamentous) actin
D G (Globular) actin

The correct answer is:
F (Filamentous) actin

Solution:
Each actin (thin) filament is made of two "F" (filamentous) actins helically wound to each other.

Topic: Biology, Locomotion and Movement, NEET
What is the main component of biogas?

Options:
A CO₂
B H₂
C Methane
D Hydrogen sulphide

The correct answer is:
Methane

Solution:
Biogas is a mixture of gases containing predominantly methane produced by microbial activity and which may be used as fuel.

Topic: Biology, Microbes in Human Welfare, NEET
What is the main component of cell wall in plants?

Options:
A Cellulose
B Chitin
C Polysaccharides
D None of the above

The correct answer is:
Cellulose

Solution:
The plant cells have an eukaryotic structure with prominent chloroplasts and cell wall mainly made of cellulose.

Topic: Biology, Biological Classification, NEET
What is the main component of classical smog?

Options:
A Smoke
B Fog
C Sulfur Dioxide
D Nitrogen Oxides

The correct answer is:
Sulfur Dioxide

Solution:
Sulfur dioxide is a significant component of classical smog, along with smoke and fog.

Topic: Chemistry, Environmental Chemistry, NEET
What is the main component of phloem sap?

Options:
A Hormones
B Water
C Amino acids
D Sucrose

The correct answer is:
Sucrose

Solution:
The main component of phloem sap is sucrose, which is transported from the source to the sink.

Topic: Biology, Transport in Plants, NEET
What is the main component of the activated sludge?

Options:
A Methane
B Carbon dioxide
C Hydrogen sulphide
D Bacterial flocs

The correct answer is:
Bacterial flocs

Solution:
The activated sludge is formed from the sedimentation of the bacterial "flocs" in the settling tank.

Topic: Biology, Microbes in Human Welfare, NEET
What is the main component of the atmosphere, as indicated in the paragraph?

Options:
A Oxygen
B Carbon dioxide
C Nitrogen
D Hydrogen

The correct answer is:
Nitrogen

Solution:
The paragraph states that molecular nitrogen comprises 78% by volume of the atmosphere, making nitrogen the main component.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What is the main component of the cell wall of green algae?

Options:
A Cellulose
B Pectin
C Laminin
D Chitin

The correct answer is:
Cellulose

Solution:
The cell wall of green algae is made of an inner layer of cellulose and an outer layer of pectose.

Topic: Biology, Plant Kingdom, NEET
What is the main component of the exine of the pollen grain?

Options:
A Cellulose
B Pectin
C Sporopollenin
D Nucleus

The correct answer is:
Sporopollenin

Solution:
The exine is the hard outer layer of the pollen grain and is made up of the highly resistant material called sporopollenin.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET
What is the main component of the inner wall of the pollen grain called the intine?

Options:
A Sporopollenin
B Cellulose
C Pectin
D Nucleus

The correct answer is:
Cellulose

Solution:
The inner wall of the pollen grain called the intine is a thin and continuous layer made up of cellulose and pectin.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET
What is the main concept Darwin spoke of in his work related to nature?

Options:
A Competition among closely related species
B Struggle for existence
C Survival of the least fit
D Lack of resources

The correct answer is:
Struggle for existence

Solution:
Darwin spoke of the struggle for existence and survival of the fittest in nature.

Topic: Biology, Organisms and Populations, NEET
What is the main concern regarding the manipulation of living organisms by the human race?

Options:
A The validity of GM research and the safety of introducing GM-organisms for public services
B The morality of human activities that might help or harm living organisms
C The problems with patents granted for the usage of living organisms for public services
D The biological significance of genetic modification of organisms

The correct answer is:
The morality of human activities that might help or harm living organisms

Solution:
Some ethical standards are required to evaluate the morality of all human activities that might help or harm living organisms.

Topic: Biology, Biotechnology and Its Applications, NEET
What is the main concern that influenced the classification systems within angiosperms?

Options:
A The use of only gross superficial morphological characters
B The separation of closely related species
C The consideration of both vegetative and sexual characteristics
D The consideration of natural affinities among the organisms

The correct answer is:
The consideration of natural affinities among the organisms

Solution:
The main concern that influenced the classification systems within angiosperms is the consideration of natural affinities among the organisms. Natural classification systems were developed based on this concern, rather than using only gross superficial morphological characters or separating closely related species.

Topic: Biology, Plant Kingdom, NEET
What is the main conclusion of the passage?

Options:
A The relationship between species richness and ecosystem health is not understood
B The loss of a few species does not matter
C Rich biodiversity is essential for ecosystem health and the survival of the human race
D The relationship between species richness and year:to:year variation in total biomass is not understood

The correct answer is:
Rich biodiversity is essential for ecosystem health and the survival of the human race

Solution:
Rich biodiversity is not only essential for ecosystem health but imperative for the very survival of the human race on this planet.

Topic: Biology, Biodiversity and its Conservation, NEET
What is the main dietary source of starch for human beings?

Options:
A Fruits
B Vegetables
C Meat
D Cereals

The correct answer is:
Cereals

Solution:
Starch is the most important dietary source for humans, and cereals are mentioned as one of the sources.

Topic: Chemistry, Biomolecules, NEET
What is the main difference between analogy and homology?

Options:
A Analogy refers to the phenomenon of different organisms having similar structures due to convergent evolution, while homology refers to the phenomenon of similar structures due to divergent evolution
B Analogy refers to the phenomenon of different organisms having similar structures due to divergent evolution, while homology refers to the phenomenon of similar structures due to convergent evolution
C Analogy refers to the phenomenon of different organisms having different structures due to divergent evolution, while homology refers to the phenomenon of similar structures due to convergent evolution
D Analogy refers to the phenomenon of different organisms having similar structures due to convergent evolution, while homology refers to the phenomenon of different structures due to divergent evolution

The correct answer is:
Analogy refers to the phenomenon of different organisms having similar structures due to convergent evolution, while homology refers to the phenomenon of similar structures due to divergent evolution

Solution:
Analogy refers to the phenomenon of different organisms having similar structures due to convergent evolution, while homology refers to the phenomenon of similar structures due to divergent evolution.

Topic: Biology, Evolution, NEET
What is the main difference between asexual reproduction and sexual reproduction?

Options:
A Asexual reproduction involves the formation and fusion of gametes, while sexual reproduction does not.
B Asexual reproduction is a complex and slower process, while sexual reproduction is simple and fast.
C Asexual reproduction is common in organisms with a simple organization, while sexual reproduction is common in higher animals.
D Asexual reproduction is found in unicellular organisms, while sexual reproduction is found in multicellular organisms.

The correct answer is:
Asexual reproduction involves the formation and fusion of gametes, while sexual reproduction does not.

Solution:
In asexual reproduction, the offspring are formed without the fusion of gametes, while in sexual reproduction, the fusion of gametes is involved.

Topic: Biology, Reproduction in Organisms, NEET
What is the main difference between blood and lymph?

Options:
A Blood contains haemoglobin and lymph does not
B Blood contains plasma and lymph does not
C Blood has RBCs and lymph does not
D Blood has WBCs and lymph does not

The correct answer is:
Blood has RBCs and lymph does not

Solution:
The lymph is different from blood. It lacks RBCs and a few proteins. Blood carries nutrients, gases and water to the respective sites during the circulation.

Topic: Biology, Structural Organisation in Animals, NEET
What is the main difference between C₃ and C₄ plants?

Options:
A Leaf anatomy
B Tolerance to high temperatures
C Response to high light intensities
D All of the above

The correct answer is:
All of the above

Solution:
C₄ plants have a special type of leaf anatomy, they tolerate higher temperatures, they show a response to high light intensities and lack a process called photorespiration, making them different from C₃ plants.

Topic: Biology, Photosynthesis in Higher Plants, NEET
What is the main difference between conventional farming practices and organic farming practices?

Options:
A Organic farming practices rely on chemicals while conventional farming practices rely on biocontrol
B Conventional farming practices rely on chemicals while organic farming practices rely on biocontrol
C Organic farming practices rely on biodiversity while conventional farming practices rely on chemicals
D Conventional farming practices rely on biodiversity while organic farming practices rely on chemicals

The correct answer is:
Conventional farming practices rely on chemicals while organic farming practices rely on biocontrol

Solution:
Conventional farming practices often use chemical methods, such as insecticides and pesticides, to control pests and diseases, while organic farming practices rely on biocontrol methods, such as natural predation, to control pests and diseases.

Topic: Biology, Microbes in Human Welfare, NEET
What is the main difference between convergent evolution and divergent evolution?

Options:
A Convergent evolution refers to the phenomenon of different organisms having similar structures due to common ancestry, while divergent evolution refers to the phenomenon of similar organisms having different structures due to adaptation
B Convergent evolution refers to the phenomenon of different organisms having similar structures due to adaptation, while divergent evolution refers to the phenomenon of similar organisms having different structures due to common ancestry
C Convergent evolution refers to the phenomenon of different organisms having different structures due to adaptation, while divergent evolution refers to the phenomenon of similar organisms having similar structures due to common ancestry
D Convergent evolution refers to the phenomenon of similar organisms having similar structures due to adaptation, while divergent evolution refers to the phenomenon of different organisms having different structures due to common ancestry

The correct answer is:
Convergent evolution refers to the phenomenon of different organisms having similar structures due to adaptation, while divergent evolution refers to the phenomenon of similar organisms having different structures due to common ancestry

Solution:
Convergent evolution refers to the phenomenon of different organisms having similar structures due to adaptation, while divergent evolution refers to the phenomenon of similar organisms having different structures due to common ancestry.

Topic: Biology, Evolution, NEET
What is the main difference between ectoparasites and endoparasites?

Options:
A Ectoparasites feed on the external surface of the host organism, while endoparasites live inside the host body at different sites.
B Ectoparasites live inside the host body, while endoparasites feed on the external surface of the host organism.
C Ectoparasites are more complex, while endoparasites are simple.
D Ectoparasites have a simpler life cycle, while endoparasites have a more complex life cycle.

The correct answer is:
Ectoparasites feed on the external surface of the host organism, while endoparasites live inside the host body at different sites.

Solution:
Ectoparasites feed on the external surface of the host organism, while endoparasites live inside the host body at different sites such as the liver, kidney, lungs, or red blood cells.

Topic: Biology, Organisms and Populations, NEET
What is the main difference between geometric isomerism and optical isomerism?

Options:
A Geometric isomerism involves different types of ligands.
B Geometric isomerism involves different spatial arrangements, while optical isomerism involves different bonding patterns.
C Geometric isomerism only occurs in octahedral complexes, while optical isomerism occurs in square planar complexes.
D Geometric isomerism is a type of structural isomerism, while optical isomerism is a type of linkage isomerism.

The correct answer is:
Geometric isomerism involves different spatial arrangements, while optical isomerism involves different bonding patterns.

Solution:
Geometric isomerism is based on different spatial arrangements of atoms, while optical isomerism is based on different bonding patterns around a chiral center.

Topic: Chemistry, Coordination Compounds, NEET
What is the main difference between geometrical and optical isomerism?

Options:
A Geometrical isomerism involves the rotation of plane-polarized light, while optical isomerism involves the spatial arrangement of atoms or groups.
B Geometrical isomerism is a type of structural isomerism, while optical isomerism is a type of stereoisomerism.
C Geometrical isomerism only occurs in inorganic compounds, while optical isomerism only occurs in organic compounds.
D Geometrical isomerism is a rare phenomenon, while optical isomerism is common in nature.

The correct answer is:
Geometrical isomerism involves the rotation of plane-polarized light, while optical isomerism involves the spatial arrangement of atoms or groups.

Solution:
The main difference between geometrical and optical isomerism is that geometrical isomerism involves the rotation of plane-polarized light due to different spatial arrangements of groups around a double bond, while optical isomerism involves the spatial arrangement of atoms or groups in a molecule, resulting in the ability to rotate plane-polarized light.

Topic: Chemistry, General Organic Chemistry, NEET
What is the main difference between isotopes in terms of chemical properties?

Options:
A Different electronic configurations
B Different rates of reactions
C Different enthalpy of bond dissociation
D Different physical properties

The correct answer is:
Different rates of reactions

Solution:
The paragraph states that the main difference between isotopes is in their rates of reactions, primarily due to their different enthalpy of bond dissociation.

Topic: Chemistry, Hydrogen, NEET
What is the main difference between low-density polyethylene (LDPE) and high-density polyethylene (HDPE), both of which are polymers of ethene?

Options:
A LDPE has a higher density than HDPE.
B LDPE is more rigid than HDPE.
C Low density polythenes are highly branched structures while high density polythene consists of closely packed linear molecules.
D LDPE has a higher melting point than HDPE.

The correct answer is:
Low density polythenes are highly branched structures while high density polythene consists of closely packed linear molecules.

Solution:
Correct Option is : (C)
Low density polythenes are highly branched structures while high density polythene consists of closely packed linear molecules.

Topic: Chemistry, Polymers, NEET
What is the main difference between plant cells and animal cells?

Options:
A The presence of cell walls
B The presence of centrioles
C The presence of a large central vacuole
D The presence of plastids

The correct answer is:
The presence of cell walls

Solution:
Plant cells possess cell walls, which are absent in animal cells. Both plant and animal cells have different structures like plastids, centrioles, and a large central vacuole.

Topic: Biology, Cell - The Unit of Life, NEET
What is the main difference between RNA and DNA in terms of genetic information?

Options:
A RNA directly codes for the synthesis of proteins
B DNA depends on RNA for synthesis of proteins
C RNA is better for the storage of genetic information
D DNA is better for the transmission of genetic information

The correct answer is:
DNA is better for the transmission of genetic information

Solution:
RNA directly codes for the synthesis of proteins and is better for the transmission of genetic information, while DNA is preferred for storage of genetic information due to its stability.

Topic: Biology, Molecular Basis of Inheritance, NEET
What is the main difference between the C₃ and C₄ pathways of photosynthesis?

Options:
A The C₃ pathway is dependent on light, while the C₄ pathway is not.
B The C₃ pathway produces ATP, while the C₄ pathway does not.
C The first stable product of CO₂ fixation in the C₃ pathway is a 3-carbon organic acid, while in the C₄ pathway it is a 4-carbon organic acid.
D The C₃ pathway is dependent on CO₂ and H₂O, while the C₄ pathway is not.

The correct answer is:
The first stable product of CO₂ fixation in the C₃ pathway is a 3-carbon organic acid, while in the C₄ pathway it is a 4-carbon organic acid.

Solution:
The main difference between the C₃ and C₄ pathways is the first stable product of CO₂ fixation, with the C₃ pathway producing a 3-carbon organic acid (PGA) and the C₄ pathway producing a 4-carbon organic acid (OAA).

Topic: Biology, Photosynthesis in Higher Plants, NEET
What is the main difference between the conducting and exchange parts of the respiratory system?

Options:
A Conducting part is responsible for diffusion of O₂ and CO₂ while exchange part is responsible for transport of atmospheric air
B Conducting part is responsible for transport of atmospheric air while exchange part is responsible for diffusion of O₂ and CO₂
C Conducting part is responsible for humidification and regulation of body temperature while exchange part is responsible for clearing foreign particles
D Conducting part is responsible for clearing foreign particles while exchange part is responsible for humidification and regulation of body temperature

The correct answer is:
Conducting part is responsible for transport of atmospheric air while exchange part is responsible for diffusion of O₂ and CO₂

Solution:
The conducting part of the respiratory system is responsible for transporting atmospheric air to the alveoli, clearing it from foreign particles, humidifying it and bringing it to body temperature. The exchange part of the respiratory system, which consists of the alveoli and their ducts, is the site of actual diffusion of O₂ and CO₂ between blood and atmospheric air.

Topic: Biology, Breathing and Exchange of Gases, NEET
What is the main difference between the early stages of embryogeny in monocotyledons and dicotyledons?

Options:
A Dicotyledons have two cotyledons, while monocotyledons have one cotyledon.
B Monocotyledons have a coleorrhiza, while dicotyledons do not.
C Dicotyledons have a plumule, while monocotyledons have a coleoptile.
D Monocotyledons have a radicle, while dicotyledons have a hypocotyl.

The correct answer is:
Dicotyledons have two cotyledons, while monocotyledons have one cotyledon.

Solution:
Dicotyledons have two cotyledons, while monocotyledons possess only one cotyledon.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET
What is the main difference between the products of dehydrogenation and dehydration of alcohols?

Options:
A Dehydrogenation forms aldehydes, while dehydration forms ketones.
B Dehydrogenation forms alkenes, while dehydration forms alkanes.
C Dehydrogenation forms ketones, while dehydration forms alkenes.
D Dehydrogenation forms alkenes, while dehydration forms aldehydes.

The correct answer is:
Dehydrogenation forms alkenes, while dehydration forms aldehydes.

Solution:
The main difference is that dehydrogenation forms alkenes, while dehydration forms aldehydes.

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
What is the main difference between traditional biotechnology and modern biotechnology?

Options:
A Traditional biotechnology uses live organisms, while modern biotechnology uses physical processes
B Modern biotechnology uses genetically modified organisms, while traditional biotechnology does not
C Traditional biotechnology does not use natural science, while modern biotechnology does
D None of the above

The correct answer is:
Modern biotechnology uses genetically modified organisms, while traditional biotechnology does not

Solution:
In the modern sense, biotechnology refers to processes that use genetically modified organisms, while in the traditional sense, biotechnology includes the use of live organisms or enzymes from organisms to produce products and processes useful to humans.

Topic: Biology, Biotechnology - Principles and Processes, NEET