datavorous/entrance-exam-dataset huggingface dataset:
What are the reagents used for the preparation of 1-Methoxyethane by Williamson’s synthesis?

Options:
A Sodium Ethoxide and Bromo-methane
B Sodium Phenoxide and Bromo-ethane
C Sodium Propoxide and 1-Bromopropane
D Sodium tert. butyl alkoxide and Bromo-methane

The correct answer is:
Sodium Ethoxide and Bromo-methane

Solution:
Correct Option is : (A)
Sodium Ethoxide and Bromo-methane

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
What are the reagents used for the preparation of 1-Propoxypropane by Williamson’s synthesis?

Options:
A Sodium Ethoxide and Bromo-methane
B Sodium Phenoxide and Bromo-ethane
C Sodium Propoxide and 1-Bromopropane
D Sodium tert. butyl alkoxide and Bromo-methane

The correct answer is:
Sodium Propoxide and 1-Bromopropane

Solution:
Correct Option is : (C)
Sodium Propoxide and 1-Bromopropane

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
What are the reagents used for the preparation of 2-Methoxy-2-methylpropane by Williamson’s synthesis?

Options:
A Sodium Ethoxide and Bromo-methane
B Sodium Phenoxide and Bromo-ethane
C Sodium Propoxide and 1-Bromopropane
D Sodium tert. butyl alkoxide and Bromo-methane

The correct answer is:
Sodium tert. butyl alkoxide and Bromo-methane

Solution:
Correct Option is : (D)
Sodium tert. butyl alkoxide and Bromo-methane

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
What are the reagents used for the preparation of Ethoxybenzene by Williamson’s synthesis?

Options:
A Sodium Ethoxide and Bromo-methane
B Sodium Phenoxide and Bromo-ethane
C Sodium Propoxide and 1-Bromopropane
D Sodium tert. butyl alkoxide and Bromo-methane

The correct answer is:
Sodium Phenoxide and Bromo-ethane

Solution:
Correct Option is : (B)
Sodium Phenoxide and Bromo-ethane

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
What are the reasons for conserving biodiversity?

Options:
A Narrowly utilitarian
B Broadly utilitarian
C Ethical
D All of the above

The correct answer is:
All of the above

Solution:
The reasons for conserving biodiversity are narrowly utilitarian, broadly utilitarian, and ethical.

Topic: Biology, Biodiversity and its Conservation, NEET
What are the reasons for high extinction rates at present?

Options:
A Habitat loss and fragmentation
B Over:exploitation
C Biological invasions
D All of the above

The correct answer is:
All of the above

Solution:
The high extinction rates at present are attributed to habitat loss and fragmentation, over exploitation, and biological invasions.

Topic: Biology, Biodiversity and its Conservation, NEET
What are the reasons that you can think of for the arthropods to constitute the largest group of the animal kingdom?

Options:
A Ability to live in diverse conditions and varied habitats
B Well developed sense organs and nervous system
C Hard skeletons reduce water loss from the body
D All of the above

The correct answer is:
All of the above

Solution:
Ability to live in diverse conditions and varied habitats, Well developed sense organs and nervous system, hard skeleton reduce water loss from the body

Topic: Biology, Animal Kingdom, NEET
What are the recommended measures to prevent substance abuse among adolescents?

Options:
A Ignoring the problem
B Education and counseling
C Seeking help from parents and peers
D Punishing the adolescent

The correct answer is:
Education and counseling

Solution:
Educating and counselling the adolescent to face problems and stresses and channeling the adolescent's energy into healthy pursuits like sports and extracurricular activities is a recommended measure to prevent substance abuse.

Topic: Biology, Human Health and Diseases, NEET
What are the regions in the testis that contain immunologically competent cells?

Options:
A Interstitial spaces
B Seminiferous tubules
C Testicular lobules
D Olfactory epithelium

The correct answer is:
Interstitial spaces

Solution:
The regions in the testis that contain immunologically competent cells are Interstitial spaces.

Topic: Biology, Human Reproduction, NEET
What are the regions of chromatin referred to as that are more densely packed and stains dark?

Options:
A Euchromatin
B Heterochromatin
C Chromosome
D Nucleosome

The correct answer is:
Heterochromatin

Solution:
The chromatin that is more densely packed and stains dark are called as Heterochromatin.

Topic: Biology, Molecular Basis of Inheritance, NEET
What are the relationships created as a result of energy flows within the ecosystem?

Options:
A Cycles
B Chains
C Webs
D All of the above

The correct answer is:
All of the above

Solution:
Relationships created as a result of energy flows within the ecosystem include cycles, chains, and webs.

Topic: Biology, Ecosystem, NEET
What are the renal columns called?

Options:
A Medullary Pyramids
B Capsules
C Calyces
D Columns of Bertini

The correct answer is:
Columns of Bertini

Solution:
The cortex extends in between the medullary pyramids as renal columns called Columns of Bertini.

Topic: Biology, Excretory Products and their Elimination, NEET
What are the repeating structural units in polymers derived from?

Options:
A Monomers
B Nanoparticles
C Macromolecules
D Polymers

The correct answer is:
Monomers

Solution:
The repeating structural units in polymers are derived from simple and reactive molecules known as monomers.

Topic: Chemistry, Polymers, NEET
What are the reproductive structures in brown algae?

Options:
A Asexual reproduction by spores
B Asexual reproduction by fragmentation
C Sexual reproduction by isogamy
D Sexual reproduction by oogamy

The correct answer is:
Asexual reproduction by fragmentation

Solution:
Vegetative reproduction takes place by fragmentation. Asexual reproduction in most brown algae is by biflagellate zoospores that are pear-shaped and have two unequal laterally attached flagella.

Topic: Biology, Plant Kingdom, NEET
What are the requirements for an ideal contraceptive method?

Options:
A It should interfere with the sexual drive, desire, and act of the user
B It should not be user:friendly or easily available
C It should have severe side:effects
D It should be user:friendly, easily available, effective, reversible with no or least side:effects

The correct answer is:
It should be user:friendly, easily available, effective, reversible with no or least side:effects

Solution:
An ideal contraceptive method should meet the following requirements: user:friendly, easily available, effective, reversible with no or least side:effects, and should not interfere with the sexual drive, desire, and/or the sexual act of the user.

Topic: Biology, Reproductive Health, NEET
What are the requirements for the slogan "Hum Do Hamare Do"?

Options:
A The couple should have more than two children
B The couple should have two children
C The couple should have one child
D The couple should not have any children

The correct answer is:
The couple should have two children

Solution:
The slogan "Hum Do Hamare Do" (we two, our two) shows a happy couple with two children and is meant to motivate smaller families.

Topic: Biology, Reproductive Health, NEET
What are the results of introducing B) thuringiensis toxin genes into plants?

Options:
A The plants become more susceptible to attack by insect pests
B The plants become resistant to attack by insect pests
C The plants are not affected by the introduction of the toxin genes
D The plants are no longer able to produce fruits

The correct answer is:
The plants become resistant to attack by insect pests

Solution:
By introducing B) thuringiensis toxin genes into plants, they become resistant to attack by insect pests, providing a natural means of pest control.

Topic: Biology, Microbes in Human Welfare, NEET
What are the results of reactions of (i) aromatic and (ii) aliphatic primary amines with nitrous acid?

Options:
A Both aromatic and aliphatic primary amines undergo explosive decomposition when treated with nitrous acid.
B Both aromatic and aliphatic primary amines form diazonium salts when treated with nitrous acid.
C (i) Aromatic primary amines form stable diazo amino compounds, while (ii) aliphatic primary amines form diazonium salts.
D (i) Aromatic primary amines react with nitrous acid at low temperatures (273-278K) to form diazonium salts and (ii) Aliphatic primary amines react with nitrous acid to form aliphatic diazonium salts (unstable), which produce nitrogen gas and alcohols after decomposition.

The correct answer is:
(i) Aromatic primary amines react with nitrous acid at low temperatures (273-278K) to form diazonium salts and (ii) Aliphatic primary amines react with nitrous acid to form aliphatic diazonium salts (unstable), which produce nitrogen gas and alcohols after decomposition.

Solution:
Correct Option is : (D)
(i) Aromatic primary amines react with nitrous acid at low temperatures (273-278K) to form diazonium salts and (ii) Aliphatic primary amines react with nitrous acid to form aliphatic diazonium salts (unstable), which produce nitrogen gas and alcohols after decomposition.

Topic: Chemistry, Amines, NEET
What are the rewards offered by flowers to sustain animal visits?

Options:
A Food and water
B Water and shelter
C Nectar and pollen grains
D Nectar and food

The correct answer is:
Nectar and pollen grains

Solution:
To sustain animal visits, the flowers have to provide rewards to the animals. Nectar and pollen grains are the usual floral rewards.

Topic: Biology, Sexual Reproduction in Flowering Plants, NEET
What are the secretions produced by endocrine glands called?

Options:
A Hormones
B Nervous system
C Neural coordination
D Endocrine chemicals

The correct answer is:
Hormones

Solution:
Endocrine glands lack ducts and secrete hormones.

Topic: Biology, Chemical Coordination and Integration, NEET
What are the secretions released into the small intestine?

Options:
A Bile and pancreatic juice
B Intestinal juice and bile
C Pancreatic juice and intestinal juice
D Bile and liver juice

The correct answer is:
Bile and pancreatic juice

Solution:
The bile, pancreatic juice and the intestinal juice are the secretions released into the small intestine. Pancreatic juice and bile are released through the hepato-pancreatic duct.

Topic: Biology, Digestion and Absorption, NEET
What are the sex organs in bryophytes called?

Options:
A Antheridium and archegonium
B Pollen and ovules
C Stamens and pistils
D Staminate and pistillate flowers

The correct answer is:
Antheridium and archegonium

Solution:
The male sex organ is called an antheridium and the female sex organ is called an archegonium.

Topic: Biology, Plant Kingdom, NEET
What are the sex organs produced in mosses during sexual reproduction?

Options:
A Antheridia and archegonia
B Rhizoids
C Spores
D None of the above

The correct answer is:
Antheridia and archegonia

Solution:
In sexual reproduction, the sex organs antheridia and archegonia are produced at the apex of the leafy shoots.

Topic: Biology, Plant Kingdom, NEET
What are the sexual spores of Ascomycetes called?

Options:
A Conidia
B Basidiospores
C Ascospores
D Zygospores

The correct answer is:
Ascospores

Solution:
Sexual spores of Ascomycetes are called ascospores which are produced endogenously in sac-like asci.

Topic: Biology, Biological Classification, NEET
What are the sexual spores of Truffles?

Options:
A Oospores,
B Ascospores
C Basidiospores
D Only asexual spores are found in Truffles.

The correct answer is:
Ascospores

Solution:
Truffles belong to Ascomycetes, and Ascospores are the sexual spores seen in Ascomycetes that are produced endogenously on Asci.

Topic: Biology, Biological Classification, NEET
What are the sexual spores produced by basidiomycetes called?

Options:
A Zoospores
B Conidia
C Sporangiospores
D Basidiospores

The correct answer is:
Basidiospores

Solution:
Sexual spores produced by basidiomycetes are called basidiospores

Topic: Biology, Biological Classification, NEET
What are the SI units for volume?

Options:
A mL
B cm3
C L
D m3

The correct answer is:
m3

Solution:
In the SI system, volume has units of m3.

Topic: Chemistry, Some Basic Concepts of Chemistry, NEET
What are the side effects of anabolic steroid use in males and females?

Options:
A Increased aggressiveness, mood swings, depression, and kidney and liver dysfunction in males and facial and body acne in females
B Decreased sperm production, potential for kidney and liver dysfunction, breast enlargement, premature baldness, and enlargement of the prostate gland in males and masculinization, increased aggressiveness, mood swings, depression, abnormal menstrual cycles, and excessive hair growth on the face and body in females
C Stunt growth, severe facial and body acne, and premature closure of the growth centers in the long bones in both males and females
D Reduced size of the testicles, decreased sperm production, and enlargement of the prostate gland in males and masculinization, increased aggressiveness, mood swings, depression, abnormal menstrual cycles, excessive hair growth on the face and body, and enlargement of the clitoris in females.

The correct answer is:
Reduced size of the testicles, decreased sperm production, and enlargement of the prostate gland in males and masculinization, increased aggressiveness, mood swings, depression, abnormal menstrual cycles, excessive hair growth on the face and body, and enlargement of the clitoris in females.

Solution:
The side effects of anabolic steroid use in males and females are reduced size of the testicles, decreased sperm production, and enlargement of the prostate gland in males and masculinization, increased aggressiveness, mood swings, depression, abnormal menstrual cycles, excessive hair growth on the face and body, and enlargement of the clitoris in females.

Topic: Biology, Human Health and Diseases, NEET
What are the side:effects of natural methods?

Options:
A High chances of failure
B Nil
C Mild
D Severe

The correct answer is:
Nil

Solution:
As no medicines or devices are used in these methods, side effects are almost nil.

Topic: Biology, Reproductive Health, NEET
What are the side-effects of the use of anabolic steroids in females?

Options:
A Masculinisation, increased aggressiveness, mood swings, depression, abnormal menstrual cycles, excessive hair growth, enlargement of clitoris, deepening of voice
B Acne, increased aggressiveness, mood swings, depression, reduction of size of the testicles, decreased sperm production, potential for kidney and liver dysfunction, breast enlargement, premature baldness, enlargement of the prostate gland
C Stunted growth, facial and body acne
D Heavy drinking in adulthood

The correct answer is:
Masculinisation, increased aggressiveness, mood swings, depression, abnormal menstrual cycles, excessive hair growth, enlargement of clitoris, deepening of voice

Solution:
The side-effects of the use of anabolic steroids in females include masculinisation (features like males), increased aggressiveness, mood swings, depression, abnormal menstrual cycles, excessive hair growth on the face and body, enlargement of clitoris, deepening of voice.

Topic: Biology, Human Health and Diseases, NEET
What are the signs of position, velocity, and acceleration of a ball thrown upwards with an initial speed of 29.4 m/s at its highest point and during its upward and downward motions, with the following conventions: - x = 0 m and t = 0 s at the highest point - Vertically downward direction as the positive x-axis direction

Options:
A At the highest point: Position is positive, velocity is zero, acceleration is positive. During upward motion: Position is positive, velocity is positive, acceleration is negative. During downward motion: Position is positive, velocity is negative, acceleration is positive.
B At the highest point: Position is positive, velocity is zero, acceleration is negative. During upward motion: Position is positive, velocity is positive, acceleration is negative. During downward motion: Position is positive, velocity is negative, acceleration is positive.
C At the highest point: Position is zero, velocity is zero, acceleration is positive. During upward motion: Position is positive, velocity is positive, acceleration is positive. During downward motion: Position is positive, velocity is negative, acceleration is negative.
D At the highest point: Position is zero, velocity is zero, acceleration is negative. During upward motion: Position is positive, velocity is positive, acceleration is positive. During downward motion: Position is positive, velocity is negative, acceleration is negative.

The correct answer is:
At the highest point: Position is positive, velocity is zero, acceleration is negative. During upward motion: Position is positive, velocity is positive, acceleration is negative. During downward motion: Position is positive, velocity is negative, acceleration is positive.

Solution:
Correct Option is : (B)
At the highest point: Position is positive, velocity is zero, acceleration is negative. During upward motion: Position is positive, velocity is positive, acceleration is negative. During downward motion: Position is positive, velocity is negative, acceleration is positive.

Topic: Chemistry, Motion In One Dimension, NEET
What are the simple compounds from which polymers like polythene and polypropene are made called?

Options:
A Polymers
B Catalysts
C Monomers
D Alkenes

The correct answer is:
Monomers

Solution:
The simple compounds from which polymers are made are called monomers. In the case of polythene and polypropene, ethene and propene are the respective monomers.

Topic: Chemistry, Hydrocarbons, NEET
What are the small disc-shaped structures at the surface of the centromeres called?

Options:
A Chromatids
B Centromeres
C Kinetochores
D Asters

The correct answer is:
Kinetochores

Solution:
At this stage, metaphase chromosome is made up of two sister chromatids, which are held together by the centromere. Small disc-shaped structures at the surface of the centromeres are called kinetochores.

Topic: Biology, Cell Cycle and Cell Division, NEET
What are the small droplets of fats called that move into the intestinal mucosa?

Options:
A Chylomicrons
B Micelles
C Lacteals
D Villi

The correct answer is:
Micelles

Solution:
They are first incorporated into small droplets called micelles which move into the intestinal mucosa. Micelles are small droplets of fats that form when fats mix with bile and other secretions in the small intestine.

Topic: Biology, Digestion and Absorption, NEET
What are the social problems caused by the increased population?

Options:
A Food resources, environmental issues, and employment
B Lack of education, healthcare, and housing
C Crime rates and political instability
D Lack of transportation and communication

The correct answer is:
Food resources, environmental issues, and employment

Solution:
The increased population has caused social problems related to food resources, environmental issues, and employment.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What are the sources of air pollutants?

Options:
A Trees
B Smokestacks of thermal power plants, smelters, and other industries
C Rain
D Sun

The correct answer is:
Smokestacks of thermal power plants, smelters, and other industries

Solution:
Smokestacks of thermal power plants, smelters, and other industries release particulate and gaseous air pollutants together with harmless gases, such as nitrogen and oxygen.

Topic: Biology, Environmental Issues, NEET
What are the sources of biofertilisers?

Options:
A Bacteria
B Fungi
C Cyanobacteria
D All of the above

The correct answer is:
All of the above

Solution:
Biofertilisers are obtained from bacteria, fungi and cyanobacteria.

Topic: Biology, Microbes in Human Welfare, NEET
What are the sources of biofertilisers?

Options:
A Synthetic fertilisers
B Bacteria, fungi and cyanobacteria
C Chemical fertilisers
D Pesticides

The correct answer is:
Bacteria, fungi and cyanobacteria

Solution:
The sources of biofertilisers are bacteria, fungi and cyanobacteria, which are added to the soil to enrich its nutrient quality.

Topic: Biology, Microbes in Human Welfare, NEET
What are the spaces in Bowman's capsule called?

Options:
A Filtration pores
B Bowman's spaces
C Filtration slits
D Renal pores

The correct answer is:
Filtration slits

Solution:
The podocytes in Bowman's capsule are arranged in an intricate manner, leaving some minute spaces called filtration slits or slit pores.

Topic: Biology, Excretory Products and their Elimination, NEET
What are the special settings for protected animals and plants in ex situ conservation?

Options:
A National parks
B Biosphere reserves
C Zoological parks, botanical gardens and wildlife safari parks
D Sacred groves

The correct answer is:
Zoological parks, botanical gardens and wildlife safari parks

Solution:
Zoological parks, botanical gardens, and wildlife safari parks serve as special settings for protected animals and plants in ex situ conservation.

Topic: Biology, Biodiversity and its Conservation, NEET
What are the special structures in angiosperms where pollen grains and ovules are developed?

Options:
A Stems
B Leaves
C Roots
D Flowers

The correct answer is:
Flowers

Solution:
In angiosperms, the pollen grains and ovules are developed in specialized structures called flowers.

Topic: Biology, Plant Kingdom, NEET
What are the specialised cells in lymph responsible for?

Options:
A Nutrient transport
B Immune response
C Hormone transport
D All of the above

The correct answer is:
Immune response

Solution:
The specialised cells in lymph, called lymphocytes, are responsible for the immune responses of the body.

Topic: Biology, Body Fluids and Circulation, NEET
What are the specialised muscles involved in inspiration and expiration?

Options:
A Spirometer muscles
B Fibrous tissue muscles
C Intercostals and diaphragm
D Respiratory muscles

The correct answer is:
Intercostals and diaphragm

Solution:
Inspiration and expiration are carried out by creating pressure gradients between the atmosphere and the alveoli with the help of specialised muscles - intercostals and diaphragm.

Topic: Biology, Breathing and Exchange of Gases, NEET
What are the specific proteins involved in active transport?

Options:
A Enzymes
B Pumps
C Carriers
D Inhibitors

The correct answer is:
Pumps

Solution:
Active transport is carried out by specific membrane-proteins called pumps, which use energy to transport substances across the cell membrane. These pumps can transport substances from a low concentration to a high concentration.

Topic: Biology, Transport in Plants, NEET
What are the specific requirements for the growth of prothallus, the gametophyte of pteridophytes?

Options:
A Warm, dry, sunny places
B Cool, damp, shady places
C Warm, humid, sunny places
D Cool, dry, shady places

The correct answer is:
Cool, damp, shady places

Solution:
Prothallus, the gametophyte of pteridophytes, requires cool, damp, and shady places to grow.

Topic: Biology, Plant Kingdom, NEET
What are the spindle fibres?

Options:
A Microtubules that attach to the chromosomes during mitosis
B The structures that hold the chromatids together
C The structures that align the chromosomes along the metaphase plate
D The structures that initiate the condensation of chromosomal material

The correct answer is:
Microtubules that attach to the chromosomes during mitosis

Solution:
Spindle fibres are microtubules that originate from the centrosomes and attach to the kinetochores of the chromosomes during mitosis, allowing them to be moved into position at the center of the cell and aligned along the metaphase plate.

Topic: Biology, Cell Cycle and Cell Division, NEET
What are the starting materials for the production of glucose in the reaction of Preparation of Glucose from sucrose?

Options:
A Glucose and water
B Starch and cellulose
C H2SO4 and water
D C6H12O6 and H2SO4

The correct answer is:
Starch and cellulose

Solution:
Starch or cellulose are the starting materials for the production of glucose in this reaction.

Topic: Chemistry, Biomolecules, NEET