datavorous/entrance-exam-dataset huggingface dataset:
What is true about ribosomes?

Options:
A The prokaryotic ribosomes are 80S, where "S" stands for sedimentation differentiation.
B These are composed of ribonucleic acid and proteins.
C These are found only in eukaryotic cells.
D These are self - splicing introns of some RNAs.

The correct answer is:
These are composed of ribonucleic acid and proteins.

Solution:
Ribosomes are amembraneous (i.e., without membrane) cell organelle composed of rRNA and protein. These are found in both prokaryotic and eukaryotic cells. In prokaryotes, ribosomes are 70S type while in eukaryotes, it is 80S type. Here âSâ (Svedbergâs Unit) stands for the sedimentation coefficient.

Topic: Biology, Cell - The Unit of Life, NEET
What is true about the following equilibrium ?

Options:
A It will be almost completely shifted to left
B It will be almost completely shifted to right
C The equilibrium constant is very close to one
D The equilibrium constant is zero

The correct answer is:
It will be almost completely shifted to left

Solution:
Cyclopentadiene is stronger acid than propyne as conjugate base of former has aromatic character, ie, highly stable.

Equilibrium shift strong acid to weak acid so, it will shift in forward direction i.e. right to left shifted

Topic: Chemistry, General Organic Chemistry, NEET
What is true about the isolated small tribal populations?

Options:
A There is a decline in population as boys marry girls only from their own tribe
B Hereditary diseases like colourblindness do not spread in the isolated population
C Wrestlers who develop strong body muscles in their life time pass this character on to their progeny
D There is no change in population size as they have a large gene pool

The correct answer is:
There is a decline in population as boys marry girls only from their own tribe

Solution:
A strong muscle of a wrestler is an acquired character that can be obtained by regular exercise which will not be transmitted to the next generation. Gene pool of a population will consist of a large number of genes which will vary in their frequencies. These frequencies also depend on the proportion of various genotypes in the total population. The small tribal population will have the small gene pool. Hereditary diseases like colourblindness will spread in isolated population due to inbreeding. There is a decline in population as boys marry girls only from their own tribe, this is due to the absence of gene.

Topic: Biology, Organisms and Populations, NEET, NEET 2008 (Screening)
What is true about the limbic system?

Options:
A It is a part of forebrain
B The amygdala and hippocampus are part of it
C It regulates sexual behaviour and emotional reaction
D All of these

The correct answer is:
All of these

Solution:
The inner parts of cerebral hemispheres and a group of associated deep structures like the amygdala, hippocampus, etc., form a complex structure called the limbic lobe or limbic system. Along with the hypothalamus, it is involved in the regulation of sexual behaviour, expression of emotional reactions (e.g., excitement, pleasure, rage and fear), and motivation.

Topic: Biology, Neural Control and Coordination, NEET
What is true for cleavage?

Options:
A Size of embryo increases
B Size of cells decreases
C Size of cells increases
D Size of embryo decreases

The correct answer is:
Size of cells decreases

Solution:
During cleavage, the zygote divides repeatedly to convert the large cytoplasmic mass into a large number of small blastomeres. It involvescell division without growth in size because cells continue to be retained within the zona pellucida. However, cell size decreases during cleavage.
Related Theory
Holoblastic cleavage is a complete cleavage meaning it completely penetrates the egg. Meroblastic cleavage is incomplete or partial cleavage meaning it does not penetrate the egg completely.

Topic: Biology, Human Reproduction, NEET, NEET 2002
What is true for cyanobacteria?

Options:
A Non-oxygenic without nitrogenase
B Non-oxygenic with nitrogenase
C Oxygenic with nitrogenase
D Oxygenic without nitrogenase

The correct answer is:
Oxygenic with nitrogenase

Solution:
Cyanobacteria are oxygenic photoautotrophs. Many members perform nitrogen fixation. Nostoc is a genus of cyanobacteria which is an oxygenic photosynthetic bacteria. The heterocysts present in it are specialized cyanobacterial cells for nitrogen fixation. It contains the enzyme nitrogenase.

Topic: Biology, Microbes in Human Welfare, NEET
What is true for individuals of same species?

Options:
A Live in same niche
B Live in same habitat
C Interbreeding
D Live in different habitat

The correct answer is:
Interbreeding

Solution:
A species is a group of similar organisms that can breed with one another to produce fertile offspring. Individuals of the same species can reproduce to make more individuals of the same species. Two individuals belonging to different species cannot normally reproduce together. Niche represents the habitat and functions of a species. Habitat is a specific place where an organism lives.
Related Theory
Same species adapted to different environment (adaptive radiation) may reside in different habitat or niche.

Topic: Biology, Strategies for Enhancement in Food Production, NEET, NEET 2002
What is true for plasmids?

Options:
A Plasmids are widely used in gene transfer
B These are found in both bacteria and viruses.
C Plasmids contain genes for vital activities.
D They are an important part of the chromosome.

The correct answer is:
Plasmids are widely used in gene transfer

Solution:
Plasmids are small intranuclear circular DNAs which carry extra chromosomal genes in bacteria.

Topic: Biology, Biotechnology - Principles and Processes, NEET
What is true of urea biosynthesis?

Options:
A Uric acid is starting point
B Urea is synthesised in lysosomes
C Urea cycle enzymes are located inside mitochondria
D Urea is syntesised in kidney

The correct answer is:
Urea cycle enzymes are located inside mitochondria

Solution:
Urea biosynthesis takes place in mitochondria where urea cycle enzymes are located. Urea biosynthesis is a cycle of biochemical reactions that produces urea from ammonia. This cycle occurs in ureotelic organisms. The urea cycle converts highly toxic ammonia to urea for excretion. This cycle was described by Krebs-Henseleit. The liver is the site of urea synthesis. The urea cycle consists of five enzymatically controlled steps that are catalyzed by carbamoyl phosphate synthetase, ornithine transcarbamylase, argininosuccinate synthetase, argininosuccinase, and arginase, respectively. The first 2 steps- formation of carbamyl phosphate and formation of citrulline are taking place in the mitochondria.

Topic: Biology, Excretory Products and their Elimination, NEET
What is true regarding free radical polymerization of ethylene?

Options:
A Polymerization is invoked by either peroxide initiator or radiation
B Polymerization is exothermic in nature
C Molecular weight gain occur in propagation step of polymerization
D All of these

The correct answer is:
All of these

Solution:
Free radical reactions are usually initiated either by free radical initiator or radiation. Polymerization of all olefinic monomers are exothermic as unsaturated monomer is being converted into saturated polymer. Propagation step of polymerization leads to increase in chain length, hence gain in molar mass.

Topic: Chemistry, Polymers, NEET
What is true regarding vulcanization of rubber?

Options:
A Rubber molecules are joined through S-S linkage at the ends
B Rubber molecules are linked through S-S linkage at the various parts of polymer backbone
C Vulcanization makes rubber perfectly crystalline
D Vulcanization converts rubber into a thermosetting polymer

The correct answer is:
Rubber molecules are linked through S-S linkage at the various parts of polymer backbone

Solution:
Vulcanization is a process of heating natural rubber with sulphur. This brings about linking of polymer chains at various points of backbone through S-S linkage. This provides strength to the rubber.

Topic: Chemistry, Polymers, NEET
What is Turner’s syndrome?

Options:
A One X chromosome missing
B Two X chromosomes present
C Three X chromosomes present
D Two Y chromosomes present

The correct answer is:
One X chromosome missing

Solution:
In Turner’s syndrome, one X chromosome is missing, resulting in a sex chromosome of XO.

Topic: Biology, Principles of Inheritance and Variation, NEET
What is ultrafiltration?

Options:
A A process of separating colloidal particles from the solvent and soluble solutes
B A process of filtering all substances except colloidal particles
C A process of impregnating filter paper with collodion solution
D A process of drying collodion solution

The correct answer is:
A process of separating colloidal particles from the solvent and soluble solutes

Solution:
Ultrafiltration is the process of separating colloidal particles from the solvent and soluble solutes present in the colloidal solution.

Topic: Chemistry, Surface Chemistry, NEET
What is unique about Mycoplasma organisms?

Options:
A They are the largest organisms
B They have a cell wall
C They are only found in animals
D They are the smallest and lack a cell wall

The correct answer is:
They are the smallest and lack a cell wall

Solution:
Mycoplasma organisms are the smallest and completely lack a cell wall. They are also pathogenic in animals and plants.

Topic: Biology, Biological Classification, NEET
What is uremia?

Options:
A Accumulation of urea in the blood
B Accumulation of glucose in the blood
C Accumulation of bilirubin in the blood
D Accumulation of cholesterol in the blood

The correct answer is:
Accumulation of urea in the blood

Solution:
Uremia is a condition that occurs due to the accumulation of urea in the blooD) This is a result of malfunctioning of the kidneys.

Topic: Biology, Excretory Products and their Elimination, NEET
What is used as a scouring agent (abrasive) in scouring soaps?

Options:
A Sodium carbonate
B Trisodium phosphate
C Powdered pumice or finely divided sand
D Glycerol

The correct answer is:
Powdered pumice or finely divided sand

Solution:
Scouring soaps use powdered pumice or finely divided sand as a scouring agent (abrasive).

Topic: Chemistry, Chemistry in Everyday Life, NEET
What is used as a suffix in the name of the metal in complex anions?

Options:
A -ate
B -ium
C -ateum
D -on

The correct answer is:
-ate

Solution:
The name of the metal in complex anions ends with the suffix -ate.

Topic: Chemistry, Coordination Compounds, NEET
What is used as an electrolyte in the fuel cell?

Options:
A Water
B Sodium hydroxide solution
C High-pressure steam
D Platinum

The correct answer is:
Sodium hydroxide solution

Solution:
Hydrogen and oxygen are bubbled through porous carbon electrodes into concentrated aqueous sodium hydroxide solution.

Topic: Chemistry, Electrochemistry, NEET
What is used as the cathode in the electrolytic refining method?

Options:
A Metal oxide
B Impure metal
C Metal salt
D Pure metal

The correct answer is:
Pure metal

Solution:
A strip of the same metal in pure form acts as the cathode in the electrolytic refining process.

Topic: Chemistry, General Principles and Processes of Isolation of Metals, NEET
What is used as the electrolyte in a lead storage battery?

Options:
A Water
B Sulfuric acid
C Lead dioxide
D Nickel

The correct answer is:
Sulfuric acid

Solution:
A 38% solution of sulfuric acid is used as the electrolyte in a lead storage battery.

Topic: Chemistry, Electrochemistry, NEET
What is used for electroplating articles with silver and gold?

Options:
A A simple metal ion solution
B A complex solution containing [Ag(CN)2]– and [Au(CN)2]– ions
C A solution of cupron
D A solution of EDTA

The correct answer is:
A complex solution containing [Ag(CN)2]– and [Au(CN)2]– ions

Solution:
Complex solutions containing [Ag(CN)2]– and [Au(CN)2]– ions are used for electroplating articles with silver and gold.

Topic: Chemistry, Coordination Compounds, NEET
What is used for the estimation of hardness of water?

Options:
A EDTA
B DMG
C a–nitroso–b–naphthol
D Cupron

The correct answer is:
EDTA

Solution:
EDTA is used for the estimation of the hardness of water.

Topic: Chemistry, Coordination Compounds, NEET
What is used in curing kalaazar?

Options:
A Colloidal gold
B Colloidal silver
C Colloidal platinum
D Colloidal copper

The correct answer is:
Colloidal gold

Solution:
Colloidal gold is used in curing kalaazar.

Topic: Chemistry, Surface Chemistry, NEET
What is used in place of tannin in the tanning process?

Options:
A Aluminium salts
B Sodium salts
C Chromium salts
D Potassium salts

The correct answer is:
Chromium salts

Solution:
Chromium salts are used in place of tannin in the tanning process.

Topic: Chemistry, Surface Chemistry, NEET
What is used to absorb the liberated ammonia gas in Kjeldahl's method?

Options:
A Sodium hydroxide
B Sulfuric acid
C Nitric acid
D Sodium carbonate

The correct answer is:
Sodium hydroxide

Solution:
In Kjeldahl's method, the liberated ammonia gas is absorbed by sodium hydroxide.

Topic: Chemistry, General Organic Chemistry, NEET
What is used to balance the charge of the cation(s) in a coordination entity?

Options:
A The number of ligands
B The size of the metal ion
C The charge of the anion(s)
D The alphabetical order of ligands

The correct answer is:
The charge of the anion(s)

Solution:
The charge of the cation(s) in a coordination entity is balanced by the charge of the anion(s).

Topic: Chemistry, Coordination Compounds, NEET
What is used to break emulsions into constituent liquids?

Options:
A Freezing
B Centrifuging
C Both freezing and centrifuging
D Heating

The correct answer is:
Both freezing and centrifuging

Solution:
Emulsions can be broken into constituent liquids by various methods, including freezing and centrifuging.

Topic: Chemistry, Surface Chemistry, NEET
What is used to count entities at the microscopic level, such as atoms and molecules?

Options:
A Dozen
B Score
C Gross
D Mole

The correct answer is:
Mole

Solution:
The idea of a mole is used to count entities at the microscopic level.

Topic: Chemistry, Some Basic Concepts of Chemistry, NEET
What is used to enclose the formula for the entire coordination entity in nomenclature?

Options:
A Parentheses
B Square brackets
C Curly braces
D Angle brackets

The correct answer is:
Square brackets

Solution:
The formula for the entire coordination entity is enclosed in square brackets in nomenclature.

Topic: Chemistry, Coordination Compounds, NEET
What is used to enclose the formula for the entire coordination entity in nomenclature?

Options:
A Square brackets
B Parentheses
C Curly braces
D Angle brackets

The correct answer is:
Square brackets

Solution:
The formula for the entire coordination entity, whether charged or not, is enclosed in square brackets in nomenclature.

Topic: Chemistry, Coordination Compounds, NEET
What is used to express the variation in the amount of gas adsorbed by the adsorbent with pressure at constant temperature?

Options:
A Adsorption curve
B Adsorption isotherm
C Freundlich equation
D Logarithmic plot

The correct answer is:
Adsorption isotherm

Solution:
The paragraph states that the variation in the amount of gas adsorbed by the adsorbent with pressure at constant temperature can be expressed by means of an adsorption isotherm.

Topic: Chemistry, Surface Chemistry, NEET
What is used to generate phosphorus tribromide and triiodide in situ during reactions with alcohols?

Options:
A Phosphorus pentachloride (PCl5)
B Phosphorus trichloride (PCl3)
C Red phosphorus with bromine and iodine
D Sodium iodide in orthophosphoric acid

The correct answer is:
Red phosphorus with bromine and iodine

Solution:
These reagents are used to generate phosphorus tribromide and triiodide in situ during the reaction.

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
What is used to indicate the oxidation state of the central metal in coordination compound nomenclature?

Options:
A A numerical subscript
B A Roman numeral in parentheses
C A chemical symbol
D A lowercase letter

The correct answer is:
A Roman numeral in parentheses

Solution:
The oxidation state of the central metal is indicated by a Roman numeral in parentheses in coordination compound nomenclature.

Topic: Chemistry, Coordination Compounds, NEET
What is used to precipitate phosphoric acid in the Magnesia method?

Options:
A Barium chloride solution
B Ammonium phosphomolybdate
C Sodium peroxide
D Magnesia mixture

The correct answer is:
Magnesia mixture

Solution:
In the Magnesia method, phosphoric acid is precipitated as MgNH4PO4 by adding a magnesia mixture.

Topic: Chemistry, General Organic Chemistry, NEET
What is used to remove proteins from the mixture of released macromolecules?

Options:
A Chitinase
B Cellulase
C Ribonuclease
D Protease

The correct answer is:
Protease

Solution:
The proteins can be removed from the mixture of released macromolecules by treatment with protease.

Topic: Biology, Biotechnology - Principles and Processes, NEET
What is used to remove RNA from the mixture of released macromolecules?

Options:
A Chitinase
B Cellulase
C Ribonuclease
D Protease

The correct answer is:
Ribonuclease

Solution:
The RNA can be removed from the mixture of released macromolecules by treatment with ribonuclease.

Topic: Biology, Biotechnology - Principles and Processes, NEET
What is used to test for the presence of carbon dioxide in the reaction?

Options:
A Lime-water
B Anhydrous copper sulphate
C Halogens
D Copper(II) oxide

The correct answer is:
Lime-water

Solution:
Carbon dioxide is tested with lime-water.

Topic: Chemistry, General Organic Chemistry, NEET
What is value of current I in given circuit

Options:
A 6Â mA
B 10Â mA
C 4 mA
D zero

The correct answer is:
4 mA

Solution:
The potential difference across the Zener diode and the resistance R2 is the same because they are in parallel connection.

Vz=V2=6 V

Let the potential difference across R1 is V1, then

16=V1+6
V1=10 V

I1R1=10
I1=101000=0.01 A

I2R2=6 V
I2=61000=0.006 A

I=0.01-0.006=0.004 A=4 mA

Topic: Physics, Semiconductors, NEET
What is vapor pressure in a liquid at a given temperature?

Options:
A The pressure of the surroundings
B The pressure of the solute
C The pressure of the solvent
D The pressure exerted by the vapors over the liquid phase

The correct answer is:
The pressure exerted by the vapors over the liquid phase

Solution:
Vapor pressure in a liquid at a given temperature is the pressure exerted by the vapors over the liquid phase.

Topic: Chemistry, Solutions, NEET
What is variation?

Options:
A The degree by which progeny differ from their parents
B The study of variations in plants
C The study of variation in animals
D The study of variation in humans

The correct answer is:
The degree by which progeny differ from their parents

Solution:
Variation is the degree by which progeny differ from their parents.

Topic: Biology, Principles of Inheritance and Variation, NEET
What is Verdigris?

Options:
A Basic copper acetate
B Basic lead acetate
C Basic lead
D None of these

The correct answer is:
Basic copper acetate

Solution:
Basic copper acetate [Verdigris - ( CH 3 COO) 2 Cu.Cu (OH) 2 is a blue green powder used in green pigment and in dyes. Also in manufacture of insectisides and fungicides.

Topic: Chemistry, d and f Block Elements, NEET
What is vinegar?

Options:
A HCOOH
B HCHO
C CH3CHO
D CH3COOH

The correct answer is:
CH3COOH

Solution:
Vinegar is the diluted solution of acetic acid (CH3COOH). It is formed by the fermentation of
ethyl alcohol in the presence of enzyme acetobacter.

Topic: Chemistry, Carboxylic Acid Derivatives, NEET
What is viscosity a measure of?

Options:
A Temperature
B Resistance to flow
C Pressure
D Density

The correct answer is:
Resistance to flow

Solution:
Viscosity is a measure of resistance to flow.

Topic: Chemistry, States of Matter, NEET
What is vital capacity of our lungs?

Options:
A Inspiratory reserve volume plus tidal volume
B Total lung capacity minus expiratory reserve volume
C Inspiratory reserve volume plus expiratory reserve volume
D Totallung capacity minus residual volume

The correct answer is:
Totallung capacity minus residual volume

Solution:
Vital capacity is the sum of inspiratory reserve volume, tidal volume and expiratory reserve volume. It is about $4800 \mathrm{~mL}$.
Total lung capacity is the sum of vital capacity and residual volume, ie, vital capacity of our lungs is total lung capacity minus residual volume.
Tidal volume is the amount of air, which normally passes into and out of the lungs during each cycle of quit breathing. It is about $800 \mathrm{~mL}$ in adult person.
Inspiratory reserve volume is the extra volume of air that can be inhaled into lungs during deepest possible inspiration.

Topic: Biology, Breathing and Exchange of Gases, NEET, NEET 2008 (Screening)
What is Vital Capacity (VC)?

Options:
A The maximum volume of air a person can breathe out after a forced inspiration
B Total volume of air accommodated in the lungs at the end of a forced inspiration
C The maximum volume of air a person can breathe in after a forced expiration
D Total volume of air accommodated in the lungs at the end of a normal expiration

The correct answer is:
The maximum volume of air a person can breathe in after a forced expiration

Solution:
Vital Capacity (VC) is the maximum volume of air a person can breathe in after a forced expiration. It includes ERV, TV and IRV.

Topic: Biology, Breathing and Exchange of Gases, NEET
What is VNTR?

Options:
A A type of restriction endonuclease
B A class of satellite DNA
C A type of polymerase chain reaction
D A type of DNA probe

The correct answer is:
A class of satellite DNA

Solution:
VNTR belongs to a class of satellite DNA referred to as mini-satellites, which consist of small DNA sequences that are arranged tandemly in many copies.

Topic: Biology, Molecular Basis of Inheritance, NEET
What is withdrawal method?

Options:
A By abstaining from coitus during fertile period
B By using contraceptives
C By withdrawing penis from vagina just before ejaculation
D By using lactational amenorrhea method

The correct answer is:
By withdrawing penis from vagina just before ejaculation

Solution:
Withdrawal or coitus interruptus is a method in which the male partner withdraws his penis from the vagina just before ejaculation to avoid insemination.

Topic: Biology, Reproductive Health, NEET
What is X in the following reaction
CH 3 NH 2  + X + KOH→ CH 3 NC (highly offensive odour)

Options:
A CH2Cl2
B CHCl3
C CH3Cl
D CCl4

The correct answer is:
CHCl3

Solution:
This is a carbylamine reaction, given by chloroform and primary amine.
CH3NH2+CHCl3+(X)3KOH→3KCl+CH3NC+3H2O

Topic: Chemistry, Amines, NEET
What is X in the nuclear reaction

7 N 14 + 1 H 1 → 8 O 15 + X

Options:
A 1 H 2
B 0 n 1
C γ
D - 1 e 0

The correct answer is:
γ

Solution:
7 N 14 + 1 H 1 → 8 O 15 + Z X A
Equating mass number of both sides
14 + 1 = 15 + A
∴ A = 0
Equating atomic number of both sides
7 + 1 = 8 + Z
∴ Z = 0
The particle is γ -ray.

Topic: Chemistry, Chemical Kinetics, NEET
What is yeast (Saccharomyces cerevisiae) used for in commercial production?

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

The correct answer is:
Ethanol production

Solution:
Yeast (Saccharomyces cerevisiae) is used for commercial production of ethanol.

Topic: Biology, Microbes in Human Welfare, NEET
What is ZIFT?

Options:
A Transfer of early embryos into the uterus
B Transfer of zygote into the fallopian tube
C Transfer of gametes within the female
D None of the above

The correct answer is:
Transfer of zygote into the fallopian tube

Solution:
Zygote intra fallopian transfer (ZIFT) refers to the transfer of zygote into the fallopian tube.

Topic: Biology, Reproductive Health, NEET
What is/are the functional groups of Histamine?

Options:
A Hydroxyl
B ketone
C ester
D amine

The correct answer is:
amine

Solution:
Correct Option is : 4
amine

Topic: Chemistry, Chemistry in Everyday Life, NEET