datavorous/entrance-exam-dataset huggingface dataset:
What microbe is used for enzyme production?

Options:
A Saccharomyces cerevisiae
B Trichoderma polysporum
C Streptococcus
D Monascus purpureus

The correct answer is:
Saccharomyces cerevisiae

Solution:
Although yeast (Saccharomyces cerevisiae) is used for commercial production of ethanol, microbes are also used for production of enzymes.

Topic: Biology, Microbes in Human Welfare, NEET
What might be quite different in two directions indicated in the figure?

Options:
A Transparency
B Electrical conductivity
C Resistance to shearing stress
D Refractive index

The correct answer is:
Resistance to shearing stress

Solution:
Resistance to shearing stress might be quite different in two directions indicated in the figure, as stated in the paragraph.

Topic: Chemistry, Solid State, NEET
What mild oxidizing agent is used in the reaction of glucose with bromine water?

Options:
A Hydrogen peroxide
B Sodium hydroxide
C Bromine water
D Sulfuric acid

The correct answer is:
Bromine water

Solution:
Glucose reacts with bromine water as a mild oxidizing agent.

Topic: Chemistry, Biomolecules, NEET
What mineral components contain a significant amount of aluminium?

Options:
A Quartz and feldspar
B Mica and clays
C Diamond and graphite
D Calcite and dolomite

The correct answer is:
Mica and clays

Solution:
Aluminium is a major component of many igneous minerals, including mica and clays.

Topic: Chemistry, General Principles and Processes of Isolation of Metals, NEET
What minimum concentration of SO42- is required to precipitate BaSO4 from the solution containing 1.0Ã10-4 moles of Ba2+ ? (Given Ksp for BaSO4 is 4Ã10-10 )

Options:
A 2×10-3M
B 2×10-7M
C 4×10-6M
D 4×10-10M

The correct answer is:
4×10-6M

Solution:
BaSO4 â Ba2++SO42-
Ksp=[Ba2+]Ã[SO42-]
Ksp=S2⇒S=Ksp ;
4Ã10-10=[1Ã10-4]Ã[SO42-]
[SO42-]=4Ã10-101Ã10-4=4Ã10-6 .

Topic: Chemistry, Ionic Equilibrium, NEET
What mixture of nitrophenols is obtained when phenol reacts with dilute nitric acid at low temperature?

Options:
A Ortho and meta nitrophenols
B Ortho and para nitrophenols
C Meta and para nitrophenols
D Ortho, meta, and para nitrophenols

The correct answer is:
Ortho and para nitrophenols

Solution:
Phenol yields a mixture of ortho and para nitrophenols under these conditions.

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
What modification can you suggest in the Hardy Schulze law?

Options:
A Consideration of higher temperatures in the equation.
B Taking into account the effect of pH on the stability of colloids.
C Considering the size of the particles in the colloidal solution.
D Including the pressure of the system in the equation.

The correct answer is:
Considering the size of the particles in the colloidal solution.

Solution:
Correct Option is : (C)
Considering the size of the particles in the colloidal solution.

Topic: Chemistry, Surface Chemistry, NEET
What molecular orbital has a node between the nuclei?

Options:
A Sigma (σ)
B Pi (π)
C Delta (Δ)
D Gamma (γ)

The correct answer is:
Pi (π)

Solution:
The pi (π) antibonding molecular orbital has a node between the nuclei.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What molecular orbitals are designated as σ1s and σ*1s in the sigma-pi nomenclature?

Options:
A Pi (π) molecular orbitals
B Sigma (σ) molecular orbitals
C Delta (Δ) molecular orbitals
D Gamma (γ) molecular orbitals

The correct answer is:
Sigma (σ) molecular orbitals

Solution:
In the sigma-pi nomenclature, σ1s and σ*1s are designated as sigma (σ) molecular orbitals.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What molecule is formed during the conversion of succinyl-CoA to succinic acid?

Options:
A OAA
B Citric acid
C GTP
D NADH

The correct answer is:
GTP

Solution:
During the conversion of succinyl-CoA to succinic acid, a molecule of GTP is synthesised.

Topic: Biology, Respiration in Plants, NEET
What molecule is released during the reaction that forms citric acid?

Options:
A CoA
B OAA
C GTP
D NAD⁺

The correct answer is:
CoA

Solution:
The reaction of forming citric acid from acetyl group and oxaloacetic acid is catalysed by the enzyme citrate synthase and a molecule of CoA is released.

Topic: Biology, Respiration in Plants, NEET
What molecule is synthesised during the conversion of succinyl-CoA to succinic acid?

Options:
A NADH + H⁺
B ATP
C GTP
D FADH₂

The correct answer is:
GTP

Solution:
During the conversion of succinyl-CoA to succinic acid, a molecule of GTP is synthesised.

Topic: Biology, Respiration in Plants, NEET
What motion characterizes the Brownian movement, as observed under a powerful ultramicroscope?

Options:
A Linear motion
B Circular motion
C Zig-zag motion
D Stationary motion

The correct answer is:
Zig-zag motion

Solution:
The paragraph describes colloidal particles in a state of continuous zig-zag motion under a powerful ultramicroscope.

Topic: Chemistry, Surface Chemistry, NEET
What moves water from the xylem to the phloem?

Options:
A Active transport
B Diffusion
C Osmosis
D Osmotic pressure

The correct answer is:
Osmosis

Solution:
Water moves from the xylem to the phloem by osmosis as osmotic pressure builds up in the phloem.

Topic: Biology, Transport in Plants, NEET
What must be present for diffusion to occur?

Options:
A A concentration gradient
B A protein channel
C ATP energy
D Solubility in lipids

The correct answer is:
A concentration gradient

Solution:
Diffusion can only occur if a gradient is present, which means that the concentration of the substance is higher on one side of the membrane than the other.

Topic: Biology, Transport in Plants, NEET
What names are commonly used to refer to the elements of the d-block and f-block, respectively?

Options:
A s-block and p-block
B alkali metals and alkaline earth metals
C transition metals and inner transition metals
D noble gases and halogens

The correct answer is:
transition metals and inner transition metals

Solution:
The names "transition metals" and "inner transition metals" are often used to refer to the elements of the d-block and f-block, respectively.

Topic: Chemistry, d and f Block Elements, NEET
What natural compounds are esters of glycerol and higher members of aliphatic carboxylic acids?

Options:
A Aromatics
B Alkanes
C Fatty acids
D Amines

The correct answer is:
Fatty acids

Solution:
Higher members of aliphatic carboxylic acids (C12 – C18), known as fatty acids, occur in natural fats as esters of glycerol.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What net reaction represents the electrolysis of sodium chloride (NaCl) solution?

Options:
A NaCl(aq) + H2O(l) → Na+(aq) + OH-(aq) + ½H2(g) + ½Cl2(g)
B NaCl(aq) → Na+(aq) + Cl-(aq)
C H2O (l ) + e- → ½H2(g) + OH-(aq)
D 2H2O(l) → O2(g) + 4H+(aq) + 4e-

The correct answer is:
NaCl(aq) + H2O(l) → Na+(aq) + OH-(aq) + ½H2(g) + ½Cl2(g)

Solution:
The net reaction representing the electrolysis of sodium chloride (NaCl) solution is NaCl(aq) + H2O(l) → Na+(aq) + OH-(aq) + ½H2(g) + ½Cl2(g).

Topic: Chemistry, Electrochemistry, NEET
What nutrients are absorbed into the blood by active transport?

Options:
A Fatty acids and glycerol
B Amino acids and monosaccharides
C Electrolytes and vitamins
D Proteins and lipids

The correct answer is:
Amino acids and monosaccharides

Solution:
Various nutrients like amino acids, monosaccharides like glucose, electrolytes like Sodium ions are absorbed into the blood by this mechanism.

Topic: Biology, Digestion and Absorption, NEET
What observable features in Trypanosoma?

Options:
A Locomotion occurs by flagella
B Multicellular Eukaryotic
C Comes under kingdom Monera
D Reproduction is sexual

The correct answer is:
Locomotion occurs by flagella

Solution:
Trypanosoma is a protistian, is unicellular having asexual reproduction in which locomotion occurs by flagella.

Topic: Biology, Biological Classification, NEET
What observation is made about the mixture of milk and water in terms of colour changes?

Options:
A Appears red under both reflected and transmitted light
B Appears blue under both reflected and transmitted light
C Appears blue under reflected light and red under transmitted light
D Appears red under reflected light and blue under transmitted light

The correct answer is:
Appears blue under reflected light and red under transmitted light

Solution:
The paragraph notes that a mixture of milk and water appears blue when viewed by reflected light and red when viewed by transmitted light.

Topic: Chemistry, Surface Chemistry, NEET
What occurs at the sink to reduce osmotic pressure in the phloem?

Options:
A Loading of the phloem
B Active transport of the sucrose out of the phloem
C Passive transport of the sucrose out of the phloem
D Diffusion of the sucrose out of the phloem

The correct answer is:
Active transport of the sucrose out of the phloem

Solution:
At the sink, incoming sugars are actively transported out of the phloem and removed as complex carbohydrates. This active transport reduces the osmotic pressure in the phloem, allowing water to move out and return to the xylem.

Topic: Biology, Transport in Plants, NEET
What occurs before cell wall formation in endosperm development?

Options:
A The PEN undergoes successive nuclear divisions
B The endosperm becomes cellular
C The endosperm becomes mature
D The endosperm is consumed by the developing embryo

The correct answer is:
The PEN undergoes successive nuclear divisions

Solution:
The PEN undergoes successive nuclear divisions to give rise to free nuclei before cell wall formation occurs and the endosperm becomes cellular.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET
What occurs between the male and female gametes in sexual reproduction?

Options:
A Vegetative propagation
B Gametogenesis
C Syngamy
D Embryogenesis

The correct answer is:
Syngamy

Solution:
Syngamy (fertilisation) occurs between the male and female gametes.

Topic: Biology, Reproduction in Organisms, NEET
What occurs during the third step of respiration?

Options:
A Breathing or pulmonary ventilation
B Diffusion of gases across alveolar membrane
C Transport of gases by the blood
D Utilisation of O₂ by the cells

The correct answer is:
Transport of gases by the blood

Solution:
During the third step of respiration, the gases (O₂ and CO₂) are transported by the blood.

Topic: Biology, Breathing and Exchange of Gases, NEET
What occurs to the mineral and gangue particles in the Froth Floatation method concerning their wetting properties?

Options:
A Both mineral and gangue particles become wet by oils
B Both mineral and gangue particles become wet by water
C Mineral particles become wet by oils, gangue particles by water
D Mineral particles become wet by water, gangue particles by oils

The correct answer is:
Mineral particles become wet by oils, gangue particles by water

Solution:
In the Froth Floatation method, mineral particles are wet by oils, while gangue particles are wet by water.

Topic: Chemistry, General Principles and Processes of Isolation of Metals, NEET
What of the following is/are correct about Cycas?

Options:
A Cycas has characteristic branched stems and pinnate leaves.
B It is a dioecious plant, where male cones and megasporophylls bear on different trees.
C Mycorrhizal associations are commonly found in the roots of Cycas.
D Both (B) and (C)

The correct answer is:
It is a dioecious plant, where male cones and megasporophylls bear on different trees.

Solution:
Cycas, a small-sized tropical gymnosperm is a dioecious plant. In this microsporophyll are organized to form male cones are present on one plant and megasporophylls are organized on a different plant. Thus, male and female plants are different in Cycas.
Roots in Cycas have small specialised roots called coralloid roots are associated with N2 - fixing cyanobacteria. The stems are unbranched. Pinnate leaves persist for a few years.

Topic: Biology, Plant Kingdom, NEET
What opens into the renal pelvis through medullary pyramids in the calyces?

Options:
A Distal Convoluted Tubule (DCT)
B Henle's Loop
C Collecting Duct
D Proximal Convoluted Tubule (PCT)

The correct answer is:
Collecting Duct

Solution:
The DCTs of many nephrons open into a straight tube called the collecting duct, many of which converge and open into the renal pelvis through medullary pyramids in the calyces.

Topic: Biology, Excretory Products and their Elimination, NEET
What orbitals are mentioned as available for bonding in elements in and beyond the third period of the periodic table?

Options:
A 2s and 2p orbitals
B 4f orbitals
C 3d orbitals
D 4s and 4p orbitals

The correct answer is:
3d orbitals

Solution:
The elements in and beyond the third period have 3d orbitals available for bonding.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What organ do molluscs use for feeding?

Options:
A Radula
B Tentacles
C Mouth
D Gills

The correct answer is:
Radula

Solution:
Molluscs use a file-like rasping organ called a radula for feeding.

Topic: Biology, Animal Kingdom, NEET
What organism produces cyclosporin A?

Options:
A Saccharomyces cerevisiae
B Trichoderma polysporum
C Streptococcus
D Monascus purpureus

The correct answer is:
Trichoderma polysporum

Solution:
Cyclosporin A, a bioactive molecule used as an immunosuppressive agent, is produced by the fungus Trichoderma polysporum.

Topic: Biology, Microbes in Human Welfare, NEET
What organisms dominated the Earth for the next 200 millions years?

Options:
A Fish
B Invertebrates
C Plants
D Reptiles

The correct answer is:
Reptiles

Solution:
Reptiles of different shapes and sizes dominated the earth in the next 200 millions years.

Topic: Biology, Evolution, NEET
What other components can be transported or translocated through phloem?

Options:
A Hormones and amino acids
B Water and hormones
C Sucrose and water
D Amino acids and water

The correct answer is:
Hormones and amino acids

Solution:
Besides water and sucrose, phloem can also transport or translocate other components such as hormones and amino acids.

Topic: Biology, Transport in Plants, NEET
What other gas is mentioned in the passage that behaves similarly to sulphur dioxide in its reactions with water and alkalies?

Options:
A Oxygen
B Carbon monoxide
C Carbon dioxide
D Nitrogen

The correct answer is:
Carbon dioxide

Solution:
The passage mentions that in its reaction with water and alkalies, the behavior of sulphur dioxide is very similar to that of carbon dioxide.**

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What other metals are used a method to cover the surface of a metallic object to prevent corrosion?

Options:
A Silver and gold.
B Tin and zinc.
C Copper and aluminum.
D Nickel and chromium.

The correct answer is:
Tin and zinc.

Solution:
A simple method is to cover the surface by other metals (Sn, Zn, etc.) that are inert or react to save the object.

Topic: Chemistry, Electrochemistry, NEET
What other substances besides nitrogenous wastes are eliminated by the excretory organs in animals?

Options:
A Ions
B CO₂
C Water
D All of the above

The correct answer is:
All of the above

Solution:
The excretory organs in animals not only eliminate nitrogenous wastes but also ions, CO₂, water, etc.

Topic: Biology, Excretory Products and their Elimination, NEET
What other type of void is mentioned in the paragraph along with tetrahedral voids?

Options:
A Cubic void
B Triangular void
C Octahedral void
D Hexagonal void

The correct answer is:
Octahedral void

Solution:
In the paragraph, octahedral voids are mentioned along with tetrahedral voids as voids formed in the arrangement of close-packed spheres.

Topic: Chemistry, Solid State, NEET
What outcome is associated with the proper orientation of reactant molecules in the context of methanol formation from bromoethane?

Options:
A Bond formation
B Bond dissociation
C Increased temperature
D Decreased pressure

The correct answer is:
Bond formation

Solution:
Proper orientation of reactant molecules leads to bond formation.

Topic: Chemistry, Chemical Kinetics, NEET
What oxidizes the sulfur present in the organic compound in the Barium sulfate method?

Options:
A Sodium peroxide
B Fuming nitric acid
C Barium chloride solution
D Sodium hydroxide

The correct answer is:
Sodium peroxide

Solution:
In the Barium sulfate method, the sulfur present in the organic compound is oxidized by heating it with sodium peroxide.

Topic: Chemistry, General Organic Chemistry, NEET
What parameter does the Nernst equation relate to the equilibrium constant of the cell reaction?

Options:
A Voltage
B Temperature
C Concentration of ions
D Time

The correct answer is:
Concentration of ions

Solution:
The Nernst equation relates to the equilibrium constant of the cell reaction by involving the concentrations of ions.

Topic: Chemistry, Electrochemistry, NEET
What parameters are used for tiger census in our country’s national parks and sanctuaries?

Options:
A Pugmarks only
B Pugmarks and faecal pellets
C Faecal pellets only
D Actual headcounts

The correct answer is:
Pugmarks and faecal pellets

Solution:
Pugmarks and faecal pellets are used for tiger census in our country’s national parks and sanctuaries.

Topic: Biology, Organisms and Populations, NEET
What parameter(s) can be determined to calculate the density of a crystal from X-ray diffraction data?

Options:
A Density (d) and the number of atoms in the unit cell (z)
B Mass of the unit cell (m) and the edge length of the unit cell (a)
C Molar mass (M) and Avogadro's number (N
A)
D Edge length of the unit cell (a) and the mass of a single atom (m)

The correct answer is:
Edge length of the unit cell (a) and the mass of a single atom (m)

Solution:
To calculate the density of a crystal from X-ray diffraction data, you need to know the edge length of the unit cell (a) and the mass of a single atom (m).

Topic: Chemistry, Solid State, NEET
What part of anionic detergents is responsible for their cleansing action?

Options:
A Alkali
B Hydrocarbons
C Sodium salts
D Anionic part of the molecule

The correct answer is:
Anionic part of the molecule

Solution:
The anionic part of the molecule in anionic detergents is responsible for the cleansing action.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What part of autonomic nervous system decreases the rate of heart beat and the speed of conduction of action potential?

Options:
A Adrenal medullary hormones
B Nodal tissue
C Sympathetic nerves
D Parasympathetic neural signals

The correct answer is:
Parasympathetic neural signals

Solution:
Parasympathetic neural signals (another component of ANS) decrease the rate of heart beat, speed of conduction of action potential and thereby the cardiac output.

Topic: Biology, Body Fluids and Circulation, NEET
What part of the electromagnetic spectrum is visible to our eyes?

Options:
A Radio waves
B Microwaves
C Infrared radiation
D Visible light

The correct answer is:
Visible light

Solution:
The part of the electromagnetic spectrum that is visible to our eyes is visible light.

Topic: Chemistry, Structure of Atom, NEET
What part of the plant would show Radial vascular bundle, Polyarch xylem, Well developed pith respectively?

Options:
A Root, Monocot Stem, Dicot stem and monocot root
B Leaves, Monocot Stem, Dicot stem and monocot root
C Stem, Monocot root, Dicot stem and monocot root
D None of the above

The correct answer is:
None of the above

Solution:
Radial vascular bundle: Root Polyarch xylem: Monocot root Well developed pith: Dicot stem and monocot root

Topic: Biology, Anatomy of Flowering Plants, NEET
What percent of all species recorded are animals?

Options:
A 70%
B 22%
C 7%
D 30%

The correct answer is:
70%

Solution:
More than 70% of all the species recorded are animals.

Topic: Biology, Biodiversity and its Conservation, NEET
What percent of the total are insects among animals?

Options:
A 70%
B 22%
C 7%
D 30%

The correct answer is:
70%

Solution:
Insects make up more than 70% of the total species recorded among animals.

Topic: Biology, Biodiversity and its Conservation, NEET
What percent of the total are plants (including algae, fungi, bryophytes, gymnosperms and angiosperms)?

Options:
A 70%
B 22%
C 7%
D 30%

The correct answer is:
22%

Solution:
Plants including algae, fungi, bryophytes, gymnosperms and angiosperms comprise no more than 22% of the total species recorded.

Topic: Biology, Biodiversity and its Conservation, NEET
What percentage of a watermelon is water?

Options:
A 10 to 15%
B Over 92%
C Less than 50%
D None of the above

The correct answer is:
Over 92%

Solution:
A watermelon contains over 92% water, making it one of the most water-rich fruits.

Topic: Biology, Transport in Plants, NEET
What percentage of body weight of a human adult is contributed by muscles?

Options:
A 30-40%
B 40-50%
C 50-60%
D 60-70%

The correct answer is:
40-50%

Solution:
About 40-50% of the body weight of a human adult is contributed by muscles.

Topic: Biology, Locomotion and Movement, NEET
What percentage of electrolytes and water are reabsorbed by PCT?

Options:
A 50-60%
B 60-70%
C 70-80%
D 80-90%

The correct answer is:
70-80%

Solution:
PCT reabsorbs nearly 70-80% of electrolytes and water from the filtrate.

Topic: Biology, Excretory Products and their Elimination, NEET
What percentage of forest cover for the plains has been recommended by National Forest Policy (1988) of India?

Options:
A 33%
B 67%
C 30%
D 19.4%

The correct answer is:
33%

Solution:
Deforestation has led to a loss of about 40 percent of forest land. Trees are cut for the purpose of obtaining or to clear the forest area to make way for agricultural land. In the twentieth century, about 30 percent of the land was covered by the forest in India which reduced to 19% by the end of the century. National Forest Policy has recommended that at least 33 percent of plains and 67 percent of hills of India should be covered by forest.

Topic: Biology, Biodiversity and its Conservation, NEET
What percentage of humans are Rh positive?

Options:
A 50%
B 60%
C 70%
D 80%

The correct answer is:
80%

Solution:
Nearly 80% of humans are Rh positive.

Topic: Biology, Body Fluids and Circulation, NEET
What percentage of hydrogen atoms contain only one proton?

Options:
A 0.015%
B 0.1%
C 1%
D 99.985%

The correct answer is:
99.985%

Solution:
99.985% of hydrogen atoms contain only one proton, which is called protium.

Topic: Chemistry, Structure of Atom, NEET
What percentage of incident solar radiation is photosynthetically active radiation (PAR)?

Options:
A 50%
B 60%
C 70%
D 80%

The correct answer is:
50%

Solution:
Of the incident solar radiation, less than 50% is photosynthetically active radiation (PAR) that is used by autotrophs.

Topic: Biology, Ecosystem, NEET
What percentage of solar energy reaching the Earth is absorbed by the Earth's surface?

Options:
A 100%
B 75%
C 50%
D 25%

The correct answer is:
75%

Solution:
About 75% of the solar energy reaching the Earth is absorbed by the Earth's surface, which warms the planet.

Topic: Chemistry, Environmental Chemistry, NEET
What percentage of space in the crystal is filled in both cubic close-packed (ccp) and hexagonal close-packed (hcp) structures?

Options:
A 50%
B 62%
C 74%
D 86%

The correct answer is:
74%

Solution:
In both cubic close-packed (ccp) and hexagonal close-packed (hcp) structures, 74% of the space in the crystal is filled.

Topic: Chemistry, Solid State, NEET
What percentage of starch is constituted by amylopectin?

Options:
A 5-10%
B 15-20%
C 50-60%
D 80-85%

The correct answer is:
80-85%

Solution:
Amylopectin constitutes about 80-85% of starch.

Topic: Chemistry, Biomolecules, NEET
What percentage of sulphur trioxide is produced when sulphur is burnt in air or oxygen?

Options:
A 2%
B 6-8%
C 10%
D 20%

The correct answer is:
6-8%

Solution:
The passage mentions that when sulphur is burnt in air or oxygen, sulphur dioxide is formed along with a little (6-8%) sulphur trioxide.**

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What percentage of the earth's land area do biodiversity hotspots cover?

Options:
A 2%
B 30%
C 50%
D 70%

The correct answer is:
2%

Solution:
Although all the biodiversity hotspots put together cover less than 2% of the earth's land area, the number of species they collectively harbor is extremely high.

Topic: Biology, Biodiversity and its Conservation, NEET