datavorous/entrance-exam-dataset huggingface dataset:
What is the hybridization of the carbon atom in carbocations?

Options:
A sp
B sp2
C sp3
D sp4

The correct answer is:
sp

Solution:
The carbon atom in carbocations has a sextet configuration, indicating sp hybridization.

Topic: Chemistry, General Organic Chemistry, NEET
What is the hybridization of the positively charged carbon in carbocations?

Options:
A sp
B sp2
C sp3
D sp4

The correct answer is:
sp2

Solution:
The positively charged carbon in carbocations is sp2 hybridized.

Topic: Chemistry, General Organic Chemistry, NEET
What is the hybridization shown by $\mathrm{C}_1$ and $\mathrm{C}_2$ carbons, respectively in the given compound?
$\mathrm{OHC}-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}_2 \mathrm{COOCH}_3$

Options:
A $s p^2$ and $s p^3$
B $s p^2$ and $s p^2$
C $s p^3$ and $s p^2$
D $s p^3$ and $s p^3$

The correct answer is:
$s p^2$ and $s p^3$

Solution:
$\therefore$ The priority of numbering goes to alkoxy carbonyl group.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET, NEET 2022 (Phase 2)
What is the hybridization state of phosphorus in phosphorus trichloride (PCl3)?

Options:
A sp
B sp2
C sp3
D sp4

The correct answer is:
sp3

Solution:
The paragraph states that phosphorus in phosphorus trichloride has a pyramidal shape and is sp3 hybridized.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What is the hydrogen donor in green plants during photosynthesis?

Options:
A H₂O
B H₂S
C CO₂
D SO₂

The correct answer is:
H₂O

Solution:
In green plants, H₂O is the hydrogen donor and is oxidised to O₂ during photosynthesis.

Topic: Biology, Photosynthesis in Higher Plants, NEET
What is the ideal gas constant, R, also called?

Options:
A Specific gas constant
B Avogadro constant
C Universal gas constant
D Boyle constant

The correct answer is:
Universal gas constant

Solution:
The ideal gas constant, R, is also called the Universal Gas Constant because it is the same for all gases.

Topic: Chemistry, States of Matter, NEET
What is the Ideal gas equation often referred to as?

Options:
A Equation of temperature
B Equation of volume
C Equation of state
D Equation of pressure

The correct answer is:
Equation of state

Solution:
The Ideal gas equation is often called the "equation of state" because it describes the state of any gas.

Topic: Chemistry, States of Matter, NEET
What is the identity of the colorless solid "B" formed when the brown gas "A," produced upon heating lead (II) nitrate, is cooled?

Options:
A NO2
B N2O5
C N2O4
D N2O3

The correct answer is:
N2O4

Solution:
Correct Option is : (C)
N2O4

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What is the immediate product formed when Grignard reagents react with carbon dioxide?

Options:
A Carboxylic acids
B Aldehydes
C Ketones
D Alcohols

The correct answer is:
Carboxylic acids

Solution:
The immediate product formed when Grignard reagents react with carbon dioxide is salts of carboxylic acids, which are then acidified to yield carboxylic acids.

Topic: Chemistry, Aldehydes, Ketones and Carboxylic Acids, NEET
What is the impact of better health facilities and living conditions on population growth?

Options:
A Decreased population growth
B Stable population growth
C Explosive population growth
D No impact on population growth

The correct answer is:
Explosive population growth

Solution:
Increased health facilities and better living conditions have had an explosive impact on population growth, leading to a rapid increase in population.

Topic: Biology, Reproductive Health, NEET
What is the impact of biodiversity loss in a region?

Options:
A Increased plant productivity
B Decline in plant production
C Increased resistance to environmental perturbations
D Decreased variability in ecosystem processes

The correct answer is:
Decline in plant production

Solution:
Loss of biodiversity in a region may lead to a decline in plant production, lowered resistance to environmental perturbations such as drought, and increased variability in certain ecosystem processes.

Topic: Biology, Biodiversity and its Conservation, NEET
What is the impact of charge separation in the H-A bond on the acidity of an acid?

Options:
A It reduces the acidity.
B It has no impact on the acidity.
C It increases the acidity.
D It changes the color of the acid solution.

The correct answer is:
It increases the acidity.

Solution:
Charge separation in the H-A bond, indicating a more polar bond, increases the acidity of the acid.

Topic: Chemistry, Ionic Equilibrium, NEET
What is the impact of chemical methods used in conventional farming practices on the environment?

Options:
A They are not harmful
B They are beneficial to the environment
C They are toxic and harmful to the environment and to human beings and animals
D They do not affect the environment

The correct answer is:
They are toxic and harmful to the environment and to human beings and animals

Solution:
The chemicals used in conventional farming practices, such as insecticides and pesticides, are toxic and harmful to the environment and to human beings and animals, and have been polluting the environment, fruits, vegetables and crop plants.

Topic: Biology, Microbes in Human Welfare, NEET
What is the impact of continued inbreeding?

Options:
A Increases fertility and productivity
B Decreases fertility and productivity
C No impact on fertility and productivity
D Increases fertility and reduces productivity

The correct answer is:
Decreases fertility and productivity

Solution:
Continued inbreeding, especially close inbreeding, usually reduces fertility and even productivity, which is called inbreeding depression.

Topic: Biology, Strategies for Enhancement in Food Production, NEET
What is the impact of genetic modification on the nutritional value of food?

Options:
A Decreased nutritional value
B No change in nutritional value
C Increased nutritional value
D None of the above

The correct answer is:
Increased nutritional value

Solution:
Genetic modification has the potential to enhance the nutritional value of food. For example, the creation of golden rice, which is Vitamin A enriched rice, demonstrates the ability of genetic modification to increase the nutritional value of food.

Topic: Biology, Biotechnology and Its Applications, NEET
What is the impact of high levels of dissolved oxygen on fish growth?

Options:
A It promotes fish growth
B It inhibits fish growth
C It has no effect on fish growth
D It leads to the death of fish

The correct answer is:
It promotes fish growth

Solution:
Adequate levels of dissolved oxygen (above 6 ppm) are essential for promoting the growth of fish.

Topic: Chemistry, Environmental Chemistry, NEET
What is the impact of increasing human population size on the environment?

Options:
A Decreased demand for natural resources and reduction in pollution
B Increased demand for natural resources and increase in pollution
C No impact on the demand for natural resources and pollution
D Reduced demand for natural resources and increase in pollution

The correct answer is:
Increased demand for natural resources and increase in pollution

Solution:
The increasing human population size has resulted in an increase in demand for food, water, home, electricity, roads, automobiles and other commodities, thereby exerting tremendous pressure on natural resources and contributing to pollution of air, water, and soil.

Topic: Biology, Environmental Issues, NEET
What is the impact of invasive weed species like carrot grass (Parthenium), Lantana and water hyacinth (EicchorniA) on our native species?

Options:
A Over:exploitation
B Alien species invasions
C Co:extinctions
D Habitat loss and fragmentation

The correct answer is:
Alien species invasions

Solution:
When alien species are introduced, some of them turn invasive and cause decline or extinction of indigenous species. Invasive weed species like carrot grass (Parthenium), Lantana and water hyacinth (Eicchornia) pose a threat to our native species.

Topic: Biology, Biodiversity and its Conservation, NEET
What is the impact of Marasmus on brain and mental faculties?

Options:
A Improved growth and development
B No impact
C Impaired growth and development
D Enhanced growth and development

The correct answer is:
Impaired growth and development

Solution:
Marasmus can also affect the growth and development of the brain and mental faculties.

Topic: Biology, Digestion and Absorption, NEET
What is the impact of molecular interactions on gas molecules at high pressures?

Options:
A Molecular interactions cause gas molecules to repel each other.
B Molecular interactions lead to higher gas pressure.
C Gas molecules collide with walls of the container with greater impact.
D Molecular interactions cause gas molecules to be attracted to each other, reducing the impact on the container walls.

The correct answer is:
Molecular interactions cause gas molecules to be attracted to each other, reducing the impact on the container walls.

Solution:
At high pressures, molecular interactions result in gas molecules being attracted to each other, which, in turn, reduces the impact of the molecules on the walls of the container.

Topic: Chemistry, States of Matter, NEET
What is the impact of overuse of chemical fertilisers on the environment?

Options:
A No negative impact
B Positive impact
C Significant environmental pollution
D Reduction in agricultural produce

The correct answer is:
Significant environmental pollution

Solution:
The overuse of chemical fertilisers has contributed significantly to environmental pollution, and has now become a cause of concern in today's life.

Topic: Biology, Microbes in Human Welfare, NEET
What is the impact of packaging daily use products in polybags?

Options:
A Saves money
B Reduces environmental pollution
C Increases environmental pollution
D Increases safety of the product

The correct answer is:
Increases environmental pollution

Solution:
Packaging daily use products in polybags contributes heavily to environmental pollution.

Topic: Biology, Environmental Issues, NEET
What is the impact of particulate matter PM 2.5 on human health?

Options:
A It causes breathing and respiratory symptoms, irritation, inflammation and damage to the lungs, and premature deaths.
B It has no impact on human health
C It causes harm to the environment but not to human health
D It causes harm to animal health but not to human health

The correct answer is:
It causes breathing and respiratory symptoms, irritation, inflammation and damage to the lungs, and premature deaths.

Solution:
PM 2.5 particulate matter has a significant impact on human health,

Topic: Biology, Environmental Issues, NEET
What is the impact of recombinant DNA technology in healthcare?

Options:
A Limited impact
B No impact
C Immense impact
D Negative impact

The correct answer is:
Immense impact

Solution:
The impact of recombinant DNA technology in healthcare is immense.

Topic: Biology, Biotechnology and Its Applications, NEET
What is the impact of smaller particle size on Brownian movement?

Options:
A Slower motion
B No impact
C Faster motion
D Stationary motion

The correct answer is:
Faster motion

Solution:
The paragraph indicates that smaller particle size results in faster Brownian motion.

Topic: Chemistry, Surface Chemistry, NEET
What is the impact of the halogen atom's -I effect on the benzene ring?

Options:
A It increases electron density
B It has no effect on electron density
C It withdraws electrons from the ring
D It stabilizes the ring

The correct answer is:
It withdraws electrons from the ring

Solution:
The halogen atom's -I effect has some tendency to withdraw electrons from the benzene ring.

Topic: Chemistry, Haloalkanes and Haloarenes, NEET
What is the impact of untreated sewage on rivers?

Options:
A Reduction in water-borne diseases
B Increase in water-borne diseases
C Reduction in pollution
D Increase in pollution

The correct answer is:
Increase in pollution

Solution:
The direct discharge of untreated sewage into rivers leads to their pollution and an increase in water-borne diseases.

Topic: Biology, Microbes in Human Welfare, NEET
What is the impedance of a circuit where a coil with 0.01 henry inductance and 1 ohm resistance is connected to a 200 volt, 50 Hz AC supply?

Options:
A 2.5 Ω
B 3.0 Ω
C 3.3 Ω
D 4.0 Ω

The correct answer is:
3.3 Ω

Solution:
Correct Option is : (C)
3.3 Ω

Topic: Chemistry, Alternating Current, NEET
What is the impedance of the series LCR circuit with a sinusoidal voltage of peak value 283 V and frequency 50 Hz, where R = 3 ohms, L = 25.48 mH, and C = 796 mF?

Options:
A 5 ohms
B 15 ohms
C 25 ohms
D 35 ohms

The correct answer is:
5 ohms

Solution:
Correct Option is : (A)
5 ohms

Topic: Chemistry, Alternating Current, NEET
What is the implication of the statement, "Even in the case of a covalent bond between two hydrogen atoms, there is some ionic character"?

Options:
A Covalent bonds are always purely covalent.
B Hydrogen atoms cannot form covalent bonds.
C Covalent bonds may have a small degree of ionic character.
D Hydrogen atoms form exclusively ionic bonds.

The correct answer is:
Covalent bonds may have a small degree of ionic character.

Solution:
Even in a covalent bond between two hydrogen atoms, there is some degree of ionic character, indicating that covalent bonds can have a small degree of ionic character.

Topic: Chemistry, Chemical Bonding and Molecular Structure, NEET
What is the importance of blood group matching before blood transfusion?

Options:
A It prevents severe problems of clumping
B It enhances the strength of RBCs
C It increases the life span of RBCs
D It improves the texture of blood

The correct answer is:
It prevents severe problems of clumping

Solution:
During blood transfusion, any blood cannot be used; the blood of a donor has to be carefully matched with the blood of a recipient before any blood transfusion to avoid severe problems of clumping (destruction of RBC).

Topic: Biology, Body Fluids and Circulation, NEET
What is the importance of blue green algae in agriculture?

Options:
A Fixing atmospheric nitrogen
B Adding organic matter to soil
C Replenishing soil nutrients
D All of the above

The correct answer is:
Adding organic matter to soil

Solution:
Blue green algae add organic matter to the soil and increase its fertility.

Topic: Biology, Microbes in Human Welfare, NEET
What is the importance of creating awareness about reproductive:related aspects?

Options:
A To prevent uncontrolled population growth
B To avoid social evils like sex:abuse and sex:related crimes
C To lead a healthy and reproductively healthy life
D All of the above

The correct answer is:
All of the above

Solution:
The awareness about reproductive:related aspects is important to prevent uncontrolled population growth, avoid social evils like sex:abuse and sex:related crimes and lead a healthy and reproductively healthy life.

Topic: Biology, Reproductive Health, NEET
What is the importance of DNA replication during cell division?

Options:
A To ensure correct formation of progeny cells
B To copy the genetic information of the cell
C To ensure the cell growth
D To ensure the cell division

The correct answer is:
To ensure correct formation of progeny cells

Solution:
All these processes, i.e., cell division, DNA replication, and cell growth, hence, have to take place in a coordinated way to ensure correct division and formation of progeny cells containing intact genomes.

Topic: Biology, Cell Cycle and Cell Division, NEET
What is the importance of fishery in Indian economy?

Options:
A Provides income and employment
B Is the source of livelihood
C Helps in the development of fishery industry
D All of the above

The correct answer is:
All of the above

Solution:
Fisheries has an important place in Indian economy. It provides income and employment to millions of fishermen and farmers and is the source of livelihood for many.

Topic: Biology, Strategies for Enhancement in Food Production, NEET
What is the importance of fishery?

Options:
A It is a growing industry that meets the demand for fish, fish products and other aquatic foods.
B It is a declining industry that meets the demand for fish, fish products and other aquatic foods.
C It is an industry that does not meet the demand for fish, fish products and other aquatic foods.
D None of the above

The correct answer is:
It is a growing industry that meets the demand for fish, fish products and other aquatic foods.

Solution:
Fishery is a flourishing industry that meets the ever-increasing demand for fish, fish products and other aquatic foods.

Topic: Biology, Strategies for Enhancement in Food Production, NEET
What is the importance of having a high copy number in a vector?

Options:
A To recover many copies of the target DNA
B To identify and eliminate nontransformants
C To start replication
D To permit the growth of transformants

The correct answer is:
To recover many copies of the target DNA

Solution:
If one wants to recover many copies of the target DNA it should be cloned in a vector whose origin support high copy number.

Topic: Biology, Biotechnology - Principles and Processes, NEET
What is the importance of having a selectable marker in a vector?

Options:
A To identify and eliminate nontransformants
B To support high copy number
C To start replication
D To permit the growth of transformants

The correct answer is:
To permit the growth of transformants

Solution:
In addition to ‘ori’, the vector requires a selectable marker, which helps in identifying and eliminating nontransformants and selectively permitting the growth of the transformants.

Topic: Biology, Biotechnology - Principles and Processes, NEET
What is the importance of having the same restriction enzyme to cut the vector and the source DNA?

Options:
A To purify the DNA fragments
B To separate the fragments of DNA
C To create a recombinant vector molecule
D To visualize the separated DNA fragments

The correct answer is:
To create a recombinant vector molecule

Solution:
You may have realized that normally, unless one cuts the vector and the source DNA with the same restriction enzyme, the recombinant vector molecule cannot be createD)

Topic: Biology, Biotechnology - Principles and Processes, NEET
What is the importance of heavy water?

Options:
A Heavy water is used as a moderator in nuclear reactors.
B Heavy water is essential for photosynthesis in plants.
C Heavy water is a powerful oxidizing agent.
D Heavy water is used for water treatment.

The correct answer is:
Heavy water is used as a moderator in nuclear reactors.

Solution:
Correct Option is : (A)
Heavy water is used as a moderator in nuclear reactors.

Topic: Chemistry, Hydrogen, NEET
What is the importance of hygiene and health care in poultry farm management?

Options:
A It is not important
B It reduces the quality of the produce
C It increases the chance of direct contact of the produce with the handler
D It is of paramount importance

The correct answer is:
It is of paramount importance

Solution:
Hygiene and health care are of paramount importance in poultry farm management. This helps to ensure the safety and quality of the produce.

Topic: Biology, Strategies for Enhancement in Food Production, NEET
What is the importance of identifying genes in individuals with inherited susceptibility to certain cancers?

Options:
A To detect genes in individuals with inherited susceptibility to certain cancers
B To examine a tissue under a microscope
C To detect cancer-specific antigens
D To prevent cancers

The correct answer is:
To prevent cancers

Solution:
Identification of genes in individuals with inherited susceptibility to certain cancers may be very helpful in the prevention of cancers. Such individuals may be advised to avoid exposure to particular carcinogens to which they are susceptible.

Topic: Biology, Human Health and Diseases, NEET
What is the importance of limestone in various applications?

Options:
A Limestone is used as a fuel in industrial processes.
B Limestone is a key ingredient in the production of cement and concrete.
C Limestone is primarily utilized as a semiconductor material.
D Limestone is used as a food preservative.

The correct answer is:
Limestone is a key ingredient in the production of cement and concrete.

Solution:
Correct Option is : (B)
Limestone is a key ingredient in the production of cement and concrete.

Topic: Chemistry, s Block Elements, NEET
What is the importance of measuring the BOD of a water body?

Options:
A Measuring BOD helps in assessing the temperature of the water.
B BOD measurement indicates the concentration of dissolved oxygen in the water.
C BOD measurement helps determine the pH of the water.
D BOD is the measure of the level of pollution caused by organic biodegradable material. Low value of BOD indicates that water contains less organic matter.

The correct answer is:
BOD is the measure of the level of pollution caused by organic biodegradable material. Low value of BOD indicates that water contains less organic matter.

Solution:
Correct Option is : (D)
BOD is the measure of the level of pollution caused by organic biodegradable material. Low value of BOD indicates that water contains less organic matter.

Topic: Chemistry, Environmental Chemistry, NEET
What is the importance of not isolating HIV/AIDS infected persons from family and society?

Options:
A For physical well-being
B For psychological well-being
C For physical and psychological well-being
D For economic well-being

The correct answer is:
For physical and psychological well-being

Solution:
It is important for the physical and psychological well-being of the HIV/AIDS infected persons that they are not isolated from family and society.

Topic: Biology, Human Health and Diseases, NEET
What is the importance of the adage "prevention is better than cure"?

Options:
A It is only applicable to substance abuse among adolescents.
B It is not applicable in any situation.
C It holds true in all situations, including substance abuse among adolescents.
D It only holds true in some situations.

The correct answer is:
It holds true in all situations, including substance abuse among adolescents.

Solution:
The adage of "prevention is better than cure" holds true for substance abuse among adolescents.

Topic: Biology, Human Health and Diseases, NEET
What is the importance of the discovery of blood circulation by William Harvey?

Options:
A It established the importance of experimental method in medicine
B It disproved the "good humor" hypothesis of health
C It showed the influence of mind on health
D It emphasised the importance of rest and exercise

The correct answer is:
It disproved the "good humor" hypothesis of health

Solution:
William Harvey's discovery of blood circulation disproved the "good humor" hypothesis of health by demonstrating normal body temperature in persons with black bile using a thermometer.

Topic: Biology, Human Health and Diseases, NEET
What is the importance of the regeneration stage of the Calvin cycle?

Options:
A It helps in the formation of glucose.
B It is important if the cycle is to continue uninterrupted.
C It helps in the reduction of CO₂.
D It is not important in the Calvin cycle.

The correct answer is:
It is important if the cycle is to continue uninterrupted.

Solution:
The regeneration of the CO₂ acceptor molecule RuBP is crucial if the cycle is to continue without interruption.

Topic: Biology, Photosynthesis in Higher Plants, NEET
What is the importance of the same restriction enzyme in cutting both vector and source DNA?

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

The correct answer is:
To create recombinant vector molecule

Solution:
Cutting both the vector and source DNA with the same restriction enzyme is important for creating a recombinant vector molecule, as the resultant DNA fragments will

Topic: Biology, Biotechnology - Principles and Processes, NEET