datavorous/entrance-exam-dataset huggingface dataset:
What was the most significant trend in the evolution of modern man (Homo sapiens) from his ancestors?

Options:
A Shortening of jaws
B Binocular vision
C Increasing cranial capacity
D Upright posture

The correct answer is:
Increasing cranial capacity

Solution:
Modern man (Homo sapiens sapiens) is most evolved. The most significant trend in the evolution of modern man (Homo sapiens) from his ancestors is the gradual increase in the cranial capacity. Cranial capacity of modern man is an average of $1450 \mathrm{cc}$.

Topic: Biology, Evolution, NEET, NEET 2012 (Screening)
What was the most significant trend in the evolution of modern man (Homo sapiens) from his ancestors?

Options:
A Upright posture
B Shortening of jaws
C Binocular vision
D Increasing brain capacity

The correct answer is:
Increasing brain capacity

Solution:
The most significant trend in the evolution of modern man (Homo sapiens) from his ancestors is the development of brain capacity. The development of a much larger brain than that of other primates was observed, typically 1,330cm3, which is twice the size of that of a chimpanzee or gorilla.

Topic: Biology, Evolution, NEET
What was the name given to the proportionality constant in Planck's equation for the energy of a quantum of radiation?

Options:
A Speed of light
B Boltzmann's constant
C Planck's constant
D Avogadro's number

The correct answer is:
Planck's constant

Solution:
The proportionality constant in Planck's equation for the energy of a quantum of radiation is known as Planck's constant

Topic: Chemistry, Structure of Atom, NEET
What was the name of the cytokinesis-promoting active substance that Miller et al. (1955) identified and crystallised?

Options:
A Gibberellic acid
B Abscisic acid
C Kinetin
D Ethylene

The correct answer is:
Kinetin

Solution:
Miller et al. (1955) identified and crystallised the cytokinesis-promoting active substance that they termed kinetin.

Topic: Biology, Plant - Growth and Development, NEET
What was the name of the first human:like being discovered?

Options:
A Homo habilis
B Homo erectus
C Homo sapiens
D Australopithecines

The correct answer is:
Homo habilis

Solution:
Among the bones discovered were different and this creature was called the first human:like being the hominid and was called Homo habilis.

Topic: Biology, Evolution, NEET
What was the name of the volatile substance that was confirmed to be released from ripened oranges and hastened the ripening of stored unripened bananas?

Options:
A Kinetin
B Abscisic acid
C Gibberellic acid
D Ethylene

The correct answer is:
Ethylene

Solution:
H.H. Cousins (1910) confirmed the release of a volatile substance from ripened oranges that hastened the ripening of stored unripened bananas. This volatile substance was later

Topic: Biology, Plant - Growth and Development, NEET
What was the nitrogen source used in the experiments performed by Meselson and Stahl?

Options:
A 14NH₄Cl
B 15NH₄Cl
C 16NH₄Cl
D 18NH₄Cl

The correct answer is:
15NH₄Cl

Solution:
Meselson and Stahl grew E. coli in a medium containing 15NH₄Cl as the only nitrogen source.

Topic: Biology, Molecular Basis of Inheritance, NEET
What was the novelty and brilliant insight of Darwin's theory of natural selection?

Options:
A The idea that population size will grow exponentially if everyone reproduces maximally
B The fact that natural resources are limited and competition for resources leads to population stability
C The assertion that variations, which are heritable and make resource utilization better for some, will enable only those to reproduce and leave more progeny, leading to a change in population characteristics and the appearance of new forms
D The observation that individuals in a population vary in characteristics and that most variations are inherited

The correct answer is:
The assertion that variations, which are heritable and make resource utilization better for some, will enable only those to reproduce and leave more progeny, leading to a change in population characteristics and the appearance of new forms

Solution:
Darwin's theory of natural selection is based on certain observations about populations, such as limited resources and competition for survival. However, his unique insight was that variations which are heritable and improve resource utilization for some individuals will lead to a change in population characteristics over time, leading to the appearance of new forms.

Topic: Biology, Evolution, NEET
What was the original belief about the number of carbon atoms in the primary acceptor molecule for CO₂?

Options:
A 2-carbon molecule
B 3-carbon molecule
C 4-carbon molecule
D 5-carbon molecule

The correct answer is:
2-carbon molecule

Solution:
The scientists initially believed that the primary acceptor molecule for CO₂ would be a 2-carbon molecule.

Topic: Biology, Photosynthesis in Higher Plants, NEET
What was the outcome of converting the fleet of public transport to CNG in Delhi?

Options:
A Increase in air-pollution
B Difficulty in laying down pipelines
C Reduction in air-pollution
D Increase in cost

The correct answer is:
Reduction in air-pollution

Solution:
By converting the entire fleet of public transport, i.e., buses, from diesel to compressed natural gas (CNG), the levels of air-pollution were reduced in Delhi.

Topic: Biology, Environmental Issues, NEET
What was the outcome of Herbert Boyer's discovery in 1969?

Options:
A DNA strands became 'sticky ends'
B The discipline of biotechnology was founded
C The DNA strands became non-functional
D The DNA strands became longer

The correct answer is:
DNA strands became 'sticky ends'

Solution:
Herbert Boyer's discovery in 1969 resulted in cutting DNA strands in a particular fashion, which left 'sticky ends' on the strands.

Topic: Biology, Biotechnology - Principles and Processes, NEET
What was the outcome of Jan Ingenhousz's experiment with an aquatic plant?

Options:
A Small bubbles were formed around the green parts in bright sunlight
B Small bubbles were formed around the green parts in the dark
C No bubbles were formed around the green parts in bright sunlight or in the dark
D Large bubbles were formed around the green parts in bright sunlight

The correct answer is:
Small bubbles were formed around the green parts in bright sunlight

Solution:
In an elegant experiment with an aquatic plant, Jan Ingenhousz showed that in bright sunlight, small bubbles were formed around the green parts while in the dark they did not. Later he identified these bubbles to be of oxygen, hence showing that it is only the green part of the plants that could release oxygen.

Topic: Biology, Photosynthesis in Higher Plants, NEET
What was the outcome of Mendel's investigations into inheritance patterns?

Options:
A First application of mathematical logic in biology
B Statistical analysis applied to problems in biology
C General rules of inheritance were confirmed
D All of the above

The correct answer is:
All of the above

Solution:
Mendel applied mathematical logic and statistical analysis to problems in biology, and his results pointed to general rules of inheritance.

Topic: Biology, Principles of Inheritance and Variation, NEET
What was the outcome of Swaminathan's collaboration with Norman Borlaug?

Options:
A The 'Green Revolution'
B The 'Red Revolution'
C The 'White Revolution'
D The 'Black Revolution'

The correct answer is:
The 'Green Revolution'

Solution:
His collaboration with Norman Borlaug led to the 'Green Revolution' through the introduction of Mexican varieties of wheat in India.

Topic: Biology, Human Health and Diseases, NEET
What was the outcome of the Earth Summit held in Rio de Janeiro in 1992?

Options:
A All nations were called to take measures for conservation of biodiversity
B All nations were called to sustainably utilize the benefits of biodiversity
C 190 countries pledged their commitment to achieve a significant reduction in the current rate of biodiversity loss
D Both A) and B)

The correct answer is:
Both A) and B)

Solution:
The Earth Summit held in Rio de Janeiro in 1992 called upon all nations to take appropriate measures for conservation of biodiversity and sustainable utilization of its benefits.

Topic: Biology, Biodiversity and its Conservation, NEET
What was the outcome of the experiment conducted by Avery, MacLeod and McCarty?

Options:
A RNA was found to be the transforming principle
B Proteins were found to be the transforming principle
C DNA was found to be the transforming principle
D Lipids were found to be the transforming principle

The correct answer is:
DNA was found to be the transforming principle

Solution:
Avery, MacLeod and McCarty discovered that DNA alone from S bacteria caused R bacteria to become transformed, suggesting that DNA is the hereditary material.

Topic: Biology, Molecular Basis of Inheritance, NEET
What was the outcome of the experiments conducted using Hydroponics?

Options:
A A mineral solution was not obtained
B Essential elements were not identified
C Deficiency symptoms were not discovered
D Essential elements were identified and their deficiency symptoms were discovered

The correct answer is:
Essential elements were identified and their deficiency symptoms were discovered

Solution:
By the Hydroponics, essential elements were identified and their deficiency symptoms were discovered. A mineral solution suitable for the plant growth was also obtained as a result of these experiments

Topic: Biology, Mineral Nutrition, NEET
What was the outcome of the World Summit on Sustainable Development held in Johannesburg in 2002?

Options:
A All nations were called to take measures for conservation of biodiversity
B 190 countries pledged their commitment to achieve a significant reduction in the current rate of biodiversity loss
C A significant reduction in the current rate of biodiversity loss was achieved by 2010
D Biodiversity was conserved in local levels

The correct answer is:
190 countries pledged their commitment to achieve a significant reduction in the current rate of biodiversity loss

Solution:
At the World Summit on Sustainable Development held in Johannesburg in 2002, 190 countries pledged their commitment to achieve by 2010 a significant reduction in the current rate of biodiversity loss at global, regional, and local levels.

Topic: Biology, Biodiversity and its Conservation, NEET
What was the population growth rate in India according to the 2011 census report?

Options:
A More than 2 per cent
B Less than 1 per cent
C 1:2 per cent
D Less than 2 per cent

The correct answer is:
Less than 2 per cent

Solution:
According to the 2011 census report, the population growth rate was less than 2 per cent, i.e., 20/1000/year.

Topic: Biology, Reproductive Health, NEET
What was the population of India in 2011?

Options:
A 350 million
B 1 billion
C 1.2 billion
D 1.5 billion

The correct answer is:
1.2 billion

Solution:
India's population crossed 1.2 billion in May 2011.

Topic: Biology, Reproductive Health, NEET
What was the prevailing belief about the genetic material before the work of Avery, MacLeod and McCarty?

Options:
A DNA
B RNA
C Proteins
D Lipids

The correct answer is:
Proteins

Solution:
Before the work of Avery, MacLeod, and McCarty, the genetic material was believed to be a protein.

Topic: Biology, Molecular Basis of Inheritance, NEET
What was the primary treatment for acidity before 1970?

Options:
A Metal hydroxides
B Sodium hydrogencarbonate
C Alkaline stomach
D Ulcer removal

The correct answer is:
Sodium hydrogencarbonate

Solution:
Before 1970, the primary treatment for acidity was the administration of antacids, such as sodium hydrogencarbonate.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What was the process of replication referred to as in the living cells like E. coli?

Options:
A DNA-neutral DNA polymerization
B RNA-dependent DNA polymerization
C DNA-independent DNA polymerization
D DNA-dependent DNA polymerization

The correct answer is:
DNA-dependent DNA polymerization

Solution:
In living cells like E. coli, the process of replication was referred to as DNA-dependent DNA polymerization.

Topic: Biology, Molecular Basis of Inheritance, NEET
What was the proportion of tall and dwarf plants in the F₂ generation?

Options:
A 1:3
B 3:1
C 1:1
D 2:1

The correct answer is:
3:1

Solution:
In the F₂ generation, the proportion of plants that were dwarf were 1/4th of the F₂ plants while 3/4th of the F₂ plants were tall.

Topic: Biology, Principles of Inheritance and Variation, NEET
What was the proportion of white:winged moths compared to dark-winged moths in the collection made in the 1850s?

Options:
A More white:winged moths
B More dark-winged moths
C Equal number of white:winged and dark-winged moths
D Not specified

The correct answer is:
More white:winged moths

Solution:
In the collection made in the 1850s, it was observed that there were more white:winged moths on trees than dark-winged or melanized moths.

Topic: Biology, Evolution, NEET
What was the purpose of the experiment performed by Avery, MacLeod and McCarty?

Options:
A To determine the presence of DNA in bacteria
B To determine the presence of RNA in bacteria
C To determine the biochemical nature of ‘transforming principle’ in Griffith's experiment
D To determine the presence of carbohydrates in bacteria

The correct answer is:
To determine the biochemical nature of ‘transforming principle’ in Griffith's experiment

Solution:
Avery, MacLeod and McCarty worked to determine the biochemical nature of ‘transforming principle’ in Griffith's experiment.

Topic: Biology, Molecular Basis of Inheritance, NEET
What was the purpose of the experiment performed by Meselson and Stahl?

Options:
A To prove that DNA replicates semiconservatively
B To show that 15N is not a radioactive isotope
C To determine the density of DNA
D To observe the effect of 15NH₄Cl on the growth of E. coli

The correct answer is:
To prove that DNA replicates semiconservatively

Solution:
Meselson and Stahl's experiment aimed to prove that DNA replicates semiconservatively, which was a hypothesis suggested by Watson and Crick. They used 15N to distinguish the newly synthesized DNA from the parental DNA and showed that the new DNA contained 15N.

Topic: Biology, Molecular Basis of Inheritance, NEET
What was the purpose of the family planning program initiated in 1951 in India?

Options:
A To create awareness among people about various reproduction related aspects
B To provide facilities and support for building up a reproductively healthy society
C To assess the progress of the family planning program over the past decades
D To initiate action plans and programs to attain total reproductive health as a social goal

The correct answer is:
To initiate action plans and programs to attain total reproductive health as a social goal

Solution:
India was amongst the first countries in the world to initiate action plans and programs at a national level to attain total reproductive health as a social goal, called the ‘family planning’ program initiated in 1951.

Topic: Biology, Reproductive Health, NEET
What was the purpose of the fuel cell in the Apollo space program?

Options:
A To provide drinking water for astronauts
B To produce electricity
C To power the spacecraft
D To remove pollution from the atmosphere

The correct answer is:
To produce electricity

Solution:
The fuelcell was used for providing electrical power in the Apollo space program.

Topic: Chemistry, Electrochemistry, NEET
What was the purpose of the king of Jodhpur's visit to the forest near a village inhabited by Bishnois?

Options:
A To cut down trees for constructing a new palace
B To visit the Bishnoi community
C To protect the trees
D None of the above

The correct answer is:
To cut down trees for constructing a new palace

Solution:
The king of Jodhpur asked one of his ministers to arrange wood for constructing a new palace and the minister and workers went to a forest near a village inhabited by Bishnois to cut down trees.

Topic: Biology, Environmental Issues, NEET
What was the purpose of the king of Jodhpur's visit to the forest near a village inhabited by Bishnois?

Options:
A To cut down trees for constructing a new palace
B To visit the Bishnoi community
C To protect the trees
D None of the above

The correct answer is:
To cut down trees for constructing a new palace

Solution:
That the king of Jodhpur asked one of his ministers to arrange wood for constructing a new palace and the minister and workers went to a forest near a village inhabited by Bishnois to cut down trees.

Topic: Biology, Environmental Issues, NEET
What was the rank of Delhi among the 41 most polluted cities of the world in the 1990s?

Options:
A 1st
B 4th
C 8th
D 10th

The correct answer is:
4th

Solution:
Delhi ranked fourth among the 41 most polluted cities of the world in the 1990s.

Topic: Biology, Environmental Issues, NEET
What was the reason for suggesting the name "chlorine" for the element?

Options:
A Its strong acidic properties
B Its bright yellow color
C Its greenish yellow color
D Its high reactivity with metals

The correct answer is:
Its greenish yellow color

Solution:
The name "chlorine" was suggested for the element because of its greenish yellow color.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What was the reason for the reversal of proportion in the moth population?

Options:
A Industrialisation
B Climate change
C Pollution
D Pesticide use

The correct answer is:
Industrialisation

Solution:
During the post industrialisation period, the tree trunks became dark due to industrial smoke and soots. Under this condition the white-winged moth did not survive due to predators, dark-winged or melanised moths.

Topic: Biology, Evolution, NEET
What was the response to the high persistence of chlorinated organic toxins?

Options:
A Introduction of more biodegradable toxins
B Introduction of organo-phosphates and carbamates
C Introduction of herbicides
D Introduction of DDT

The correct answer is:
Introduction of organo-phosphates and carbamates

Solution:
In response to the high persistence of chlorinated organic toxins, organo-phosphates and carbamates were introduced in the market as less persistent or more biodegradable alternatives.

Topic: Chemistry, Environmental Chemistry, NEET
What was the result of Hershey and Chase's experiments regarding the presence of radioactive DNA in the viruses?

Options:
A Radioactive DNA was present in viruses grown on radioactive sulfur
B Radioactive DNA was not present in any of the viruses
C Radioactive DNA was present in viruses grown on radioactive phosphorus
D Radioactive DNA was present in both types of viruses

The correct answer is:
Radioactive DNA was present in viruses grown on radioactive phosphorus

Solution:
Viruses grown in the presence of radioactive phosphorus contained radioactive DNA, but not radioactive protein because DNA contains phosphorus but protein does not.

Topic: Biology, Molecular Basis of Inheritance, NEET
What was the result of Hershey and Chase's experiments regarding the transfer of genetic material from the virus to the bacteria?

Options:
A Proteins entered the bacteria from the viruses
B RNA entered the bacteria from the viruses
C DNA entered the bacteria from the viruses
D Neither proteins nor DNA entered the bacteria from the viruses

The correct answer is:
DNA entered the bacteria from the viruses

Solution:
Bacteria which was infected with viruses that had radioactive DNA were radioactive, indicating that DNA was the material that passed from the virus to the bacteria.

Topic: Biology, Molecular Basis of Inheritance, NEET
What was the result of the digestion of transforming substance with proteases and RNases?

Options:
A Transformation was inhibited
B Transformation was not affected
C Transformation was increased
D Transformation was only partially affected

The correct answer is:
Transformation was not affected

Solution:
They also discovered that protein-digesting enzymes (proteases) and RNA-digesting enzymes (RNases) did not affect transformation, so the transforming substance was not a protein or RNA.

Topic: Biology, Molecular Basis of Inheritance, NEET
What was the result of the discovery of Penicillin?

Options:
A It led to the improvement of the human society
B It was extensively used to treat American soldiers wounded in World War II
C It was awarded the Nobel Prize in 1945
D All of the above

The correct answer is:
All of the above

Solution:
Penicillin was extensively used to treat American soldiers wounded in World War II, led to the improvement of the human society, and was awarded the Nobel Prize in 1945.

Topic: Biology, Microbes in Human Welfare, NEET
What was the result of transferring resistance to yellow mosaic virus in bhindi (Abelmoschus esculentus) from a wild species?

Options:
A A new variety of A. esculentus was created with resistance to yellow mosaic virus.
B A new variety of A. esculentus was created with high yield.
C A new variety of A. esculentus was created with desirable characters.
D A new variety of A. esculentus was created with low yield.

The correct answer is:
A new variety of A. esculentus was created with resistance to yellow mosaic virus.

Solution:
The resistance to yellow mosaic virus in bhindi (Abelmoschus esculentus) was transferred from a wild species and resulted in a new variety of A. esculentus called Parbhani kranti with resistance to yellow mosaic virus.

Topic: Biology, Strategies for Enhancement in Food Production, NEET
What was the result of using cimetidine in the treatment of hyperacidity?

Options:
A It increased acid secretion.
B It had no effect on acid secretion.
C It released a lesser amount of acid.
D It neutralized stomach acid.

The correct answer is:
It released a lesser amount of acid.

Solution:
Cimetidine prevented histamine-receptor interaction, resulting in the release of a lesser amount of acid.

Topic: Chemistry, Chemistry in Everyday Life, NEET
What was the result of Watson and Crick's first attempt at proposing the DNA structure?

Options:
A It was satisfactory
B It was unsatisfactory
C It was not mentioned
D It was incomplete

The correct answer is:
It was unsatisfactory

Solution:
Their first serious effort was unsatisfactory, but their second effort resulted in the proposal of the complementary double:helical configuration.

Topic: Biology, Principles of Inheritance and Variation, NEET
What was the role of Eli Lilly in the production of insulin using rDNA techniques?

Options:
A It prepared two DNA sequences corresponding to A and B chains of human insulin.
B It introduced the A and B chains of insulin in plasmids of E. coli.
C It combined the chains A and B to form human insulin.
D It extracted the chains A and B

The correct answer is:
It prepared two DNA sequences corresponding to A and B chains of human insulin.

Solution:
Eli Lilly, an American company, prepared two DNA sequences corresponding to A and B chains of human insulin.

Topic: Biology, Biotechnology and Its Applications, NEET
What was the significance of Neil Bartlett's discovery in 1962 regarding noble gases?

Options:
A He discovered a new noble gas
B He prepared compounds of noble gases
C He found a way to liquefy noble gases
D He observed the bioluminescence of noble gases

The correct answer is:
He prepared compounds of noble gases

Solution:
Neil Bartlett's discovery in 1962 was significant because he prepared compounds of noble gases for the first time, breaking the long-standing belief that noble gases were completely unreactive.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
What was the significance of the large sampling size in Mendel's experiments?

Options:
A Gave greater credibility to the data collected
B Made it easier to manipulate the results
C Reduced the importance of statistical analysis
D None of the above

The correct answer is:
Gave greater credibility to the data collected

Solution:
Mendel's experiments had a large sampling size, which gave greater credibility to the data he collected.

Topic: Biology, Principles of Inheritance and Variation, NEET