datavorous/entrance-exam-dataset huggingface dataset:
In1992, a biological diversity convention was held in Rio de Janeiro, also known as ____.

Options:
A CITES Convention
B The Earth Summit
C G-16 Summit
D MAB Programme

The correct answer is:
The Earth Summit

Solution:
The United Nations Conference on Environment and Development, commonly known as Rio de Janeiro Earth Summit, was held in the Rio de Janeiro in 1992. It was held to work on worldwide economic development and protection to the environment.

Topic: Biology, Biodiversity and its Conservation, NEET
Inability to conceive or produce children even after ____ of unprotected sexual cohabitation is called infertility.

Options:
A one month
B six months
C one year
D two years

The correct answer is:
two years

Solution:
Infertility is the inability to conceive or produce children even after two years of unprotected sex. It is seen in males and females. Sterility is a total inability to produce children.

Topic: Biology, Reproductive Health, NEET
Inbreeding depression can be overcome by

Options:
A out-crossing
B interspecific hybridisation
C intraspecific hybridisation
D inbreeding

The correct answer is:
out-crossing

Solution:
Inbreeding refers to the mating of more closely related individuals within the same breed for 4-6 generations. Inbreeding increases homozygosity and can be used to produce pure lines. However, the continued breeding of closely related animals usually reduces fertility and productivity. This is called inbreeding depression. The cross between the members of the same breed which have no common ancestors for 4 to 6 generation. A single out cross often helps to overcome inbreeding depression.

Topic: Biology, Strategies for Enhancement in Food Production, NEET
Inbreeding depression is:

Options:
A Reduced motility and immunity due to close inbreeding
B Decreased productivity due to mating of superior male and inferior female
C Decrease in body mass of progeny due to continued close inbreeding
D Reduced fertility and productivity due to continued close inbreeding

The correct answer is:
Reduced fertility and productivity due to continued close inbreeding

Solution:
Inbreeding refers to the mating of closely related animals within the same breed for about 4-6 generations. Inbreeding helps in the development of animals of genetic purity. It promotes homozygosity and expression of recessive genes is observed. Continuous inbreeding leads to inbreeding depression, which affects the productivity and quality of animal products as well as health. The inbreeding depression can be eliminated by crossing animals to the same breed's superior animal but having no common ancestors on both sides.

Topic: Biology, Strategies for Enhancement in Food Production, NEET, NEET 2020 (Phase 2)
Incidence of Emphysema – a respiratory disorder is high in cigarette smokers. In such cases

Options:
A The bronchioles are found damaged
B The alveolar walls are found damaged
C The plasma membrane is found damaged
D The respiratory muscles are found damaged

The correct answer is:
The alveolar walls are found damaged

Solution:
The alveolar walls are found damaged in cigarette smokers.

Topic: Biology, Breathing and Exchange of Gases, NEET
___ includes related orders.

Options:
A Phylum
B Class
C Order
D Genus

The correct answer is:
Class

Solution:
Class category includes related orders.

Topic: Biology, The Living World, NEET
Inclusion bodies of blue-green, purple and green photosynthetic bacteria are:

Options:
A Contractile vacuoles
B Gas vacuoles
C Centrioles
D Microtubules

The correct answer is:
Gas vacuoles

Solution:
Reserve materials in prokaryotic cells are stored in the cytoplasm of the cell in the form of inclusion bodies. Gas vacuoles or gas vesicles are found in blue-green algae, purple and green photosynthetic bacteria. These vacuoles are nanocompartments surrounded by a protein membrane and help in buoyancy.

Topic: Biology, Cell - The Unit of Life, NEET, NEET 2020 (Phase 2)
Incomplete dominance is found in:

Options:
A Starch grain size in pea
B Flower colour in Antirrhinum majus
C Flower colour in the evening primrose
D More than one option is correct

The correct answer is:
More than one option is correct

Solution:
When experiments on peas were repeated using other traits in other plants, it was found that sometimes the F1 had a phenotype that did not resemble either of the two parents and was in between the two. The inheritance of flower colour in the dog flower or snapdragon or Antirrhinum sp.
Starch synthesis in pea seeds is controlled by one gene. It has two alleles (B and b). Starch is synthesised effectively by BB homozygotes and therefore, large starch grains are produced. In contrast, bb homozygotes have lesser efficiency in starch synthesis and produce smaller starch grains. After maturation of the seeds, BB seeds are round and the bb seeds are wrinkled. Heterozygotes produce round seeds, and so B seems to be the dominant allele. But, the starch grains produced are of intermediate size in Bb seeds. So if starch grain size is considered as the phenotype, then from this angle, the alleles show incomplete dominance.

Topic: Biology, Principles of Inheritance and Variation, NEET
Incorrect match for given complex compound/ion and its characteristics

Options:
A [CrBrCl(en)2]Br, Ionization and optical isomerism
B [CoBr3(H2O)3], Fac-mer and hydrate isomerism
C [PtCl2(NH3)4][Co(SCN)4], Linkage isomerism and paramagnetic character
D [Co(ox)3]3-, Inner orbital complex and optical isomerism

The correct answer is:
[CoBr3(H2O)3], Fac-mer and hydrate isomerism

Solution:
[CoBr3(H2O)3]
It does not exhibit hydrate isomerism but shows Fac-mer isomerism. Rest other options are correct.

Topic: Chemistry, Coordination Compounds, NEET
Incorrect set of quantum numbers from the following is

Options:
A $\mathrm{n}=4, \mathrm{l}=2, \mathrm{~m}_{\mathrm{l}}=-2,-1,0,+1,+2, \mathrm{~m}_{\mathrm{s}}=-1 / 2$
B $\mathrm{n}=5, \mathrm{l}=3, \mathrm{~m}_{\mathrm{l}}=-3,-2,-1,0,+1,+2,+3, \mathrm{~m}_{\mathrm{s}}=+1 / 2$
C $\mathrm{n}=4, \mathrm{l}=3, \mathrm{~m}_{\mathrm{l}}=-3,-2,-1,0,+1,+2,+3, \mathrm{~m}_{\mathrm{s}}=-1 / 2$
D $\mathrm{n}=5, \mathrm{l}=2, \mathrm{~m}_{\mathrm{l}}=-2,-1,+1,+2, \mathrm{~m}_{\mathrm{s}}=+1 / 2$

The correct answer is:
$\mathrm{n}=5, \mathrm{l}=2, \mathrm{~m}_{\mathrm{l}}=-2,-1,+1,+2, \mathrm{~m}_{\mathrm{s}}=+1 / 2$

Solution:
For any value of $\mathrm{I}, m_1$ value will be $-\mathrm{l}$ to $+\mathrm{I}$
So for $\mathrm{n}=5$ and $\mathrm{I}=2$ : $\mathrm{m}_{\mathrm{l}}=-2,-1,0,+1,+2$ and $\mathrm{m}_{\mathrm{s}}=+\frac{1}{2}$ or $-\frac{1}{2}$
Hence, the set $n=5, l=2, m_l=-2,-1,+1,+2, m_s=+\frac{1}{2}$ is incorrect

Topic: Chemistry, Structure of Atom, NEET, NEET 2023 (Manipur)
Incorrect statement about electrical synapse is

Options:
A The neurotransmitter released from the pre-synaptic membrane binds to receptors on the postsynaptic membrane
B Impulse conduction occurs at faster rate
C Pre-synaptic and post-synaptic neurons are very close to each other at synapse
D No requirement of neurotransmitters

The correct answer is:
The neurotransmitter released from the pre-synaptic membrane binds to receptors on the postsynaptic membrane

Solution:
Electrical synapse	Chemical synapse

1. The membranes of pre- and post-synaptic neurons are very close to each other.	1. The membranes of the pre- and post-synaptic neurons are separated by a fluid-filled space called the synaptic cleft.

2. Electrical current flows directly from one neuron into the other across these synapses.	2. Neurotransmitters are involved in the transmission of impulses at these synapses.

3. Impulse transmission occurs at a faster rate.	3. Impulse transmission occurs at a slower rate.

4. Rare in our body.	4. Very common in our body.

Topic: Biology, Neural Control and Coordination, NEET
Incorrect statements about the heart are

I. The sino-atrial node (SAN) is present in the right top corner of the right atrium
II. Ligamentum arteriosum connects the aorta and pulmonary trunk.
III. Purkinje fibres constitute a portion of the bundle of His.
IV. The pulmonary trunk connects the right ventricle to the lungs.

Options:
A I and III
B II and IV
C I, II and IV
D I, II and III

The correct answer is:
I and III

Solution:
A patch of nodal tissue is present in the right upper corner of the right atrium called the sino-atrial node (SAN). Ligamentum arteriosum connects aorta and pulmonary trunk. It is formed by obliteration of ductus arteriosus in the foetus. A bundle of nodal fibres, atrioventricular bundle (AV bundle) continues from the AVN which passes through the atrio-ventricular septa to emerge on the top of the interventricular septum and immediately divides into a right and left bundle. These branches give rise to minute fibres throughout the ventricular musculature of the respective sides and are called purkinje fibres. These fibres alongwith right and left bundles are known as bundle of His.

Topic: Biology, Body Fluids and Circulation, NEET
Increase in concentration of the toxicant at successive trophic levels is known as:

Options:
A Biodeterioration
B Biotransformation
C Biogeochemical cycling
D Biomagnification

The correct answer is:
Biomagnification

Solution:
Sewage from homes as well as industries is disposed of in the water bodies. Sewage from certain industries such as chemical manufacturing, paper manufacturing, etc. contains toxic substances such as heavy metals. These heavy metals when taken by aquatic organisms cannot be metabolised or excreted and hence, they pass it to higher trophic levels. This leads to an increase in the accumulation of toxic substances at each successive trophic level. This is known as biomagnification.

Topic: Biology, Environmental Issues, NEET
Increase in enthalpy of the surroundings is equal to decrease in enthalpy of the system. Will the temperature of system and surroundings be the same when they are in thermal equilibrium?

Options:
A Yes
B No
C Thermal equilibrium is an outdated concept
D None of the above

The correct answer is:
Yes

Solution:
Correct Option is : (A)
Yes

Topic: Chemistry, Thermodynamics (C), NEET
Increase in GFR can be due to:

Options:
A Increase in blood colloidal osmotic pressure
B Increase in capsular hydrostatic pressure
C Increase in capillary blood pressure
D More than one option is correct

The correct answer is:
Increase in capillary blood pressure

Solution:
Glomerular filtration is the first step in the formation of urine and is carried out by the glomerulus. GFR or glomerular filtration rate is the amount of the filtrate formed by the kidneys per minute. The factors playing a role in filtration are blood colloidal osmotic pressure, capsular hydrostatic pressure, capillary blood pressure and glomerular hydrostatic pressure. The increase in colloidal osmotic pressure will lead to decrease in GFR as the increased colloid will prevent effective filtration. Increase in capsular hydrostatic pressure will push the filtrate back into the capillaries and thus reduce the GFR. Decrease in glomerular hydrostatic pressure means the pressure of the blood in the capillaries which will lead to decrease in GFR where as an increase in capillary blood pressure will increase the rate of filtration.

Topic: Biology, Excretory Products and their Elimination, NEET
Increase in temperature by 2°C of scrotum would

Options:
A reduce the fertility by impairment of spermatogenesis
B have no effect on fertility
C reduces blood supply to scrotum
D pull the testes towards abdomen

The correct answer is:
reduce the fertility by impairment of spermatogenesis

Solution:
Spermatogenesis is the process of producing male gametes or sperms which will then participate in the fertilization process. This process requires lower body temperature and hence the testis is placed in the scrotal sac (scrotum) outside the lower abdomen. If the temperature of the scrotum is raises it will denature the enzymes required for the spermatogenesis process and reduce fertility as new sperms are not produced.

Topic: Biology, Human Reproduction, NEET
Increase in temperature of a gas filled in a container will leads to

Options:
A increase in its mass
B increase in its kinetic energy
C decrease in its pressure
D decrease in intermolecular distance

The correct answer is:
increase in its kinetic energy

Solution:
Increase in temperature would lead to the increase in kinetic energy of gas (assuming gas to be ideal) as U=F2nRT

Topic: Physics, Kinetic Theory of Gases, NEET, NEET 2019 (All India)
Increased asthmatics attacks in certain seasons are related to:

Options:
A eating fruits preserved in tin containers
B inhalation of seasonal pollen
C low temperature
D hot and humid environment.

The correct answer is:
inhalation of seasonal pollen

Solution:
Pollen grains of many species areresponsible for some of the severe allergies and bronchial affliction in some people often lead to chronic respiratory disorders like asthma, bronchitis etc.
Related Theory
Allergic reactions are triggered when allergens interact the immune system, which produces an antibody that is specific to that antigen, i.e., IgE. These antibodies travel to mast cells that release histamine and other chemical mediators, which cause allergy symptoms to occur and serve to alert the immune system to local infection.

Topic: Biology, Human Health and Diseases, NEET, NEET 2007
Increased systolic pressure causes

Options:
A hypertension
B angina pectoris
C Heart attack
D Cardiac arrest

The correct answer is:
hypertension

Solution:
Increased systolic pressure causes hypertension.

Topic: Biology, Body Fluids and Circulation, NEET
Increased vigour of a hybrid, over the parents resulting from the crossing of genetically unlike organisms is called

Options:
A mutant
B heterosis
C polyploid
D superiorios

The correct answer is:
heterosis

Solution:
Crossing between a superior male of one breed and superior female of other breed results in the combination of desirable qualities from both the breeds and suppression of undesirable recessive genes leading to the production of a hybrid with increased vigor and productivity. Hence heterosis or hybrid vigor is the one showing increased productivity or superiority over the parents.

Topic: Biology, Strategies for Enhancement in Food Production, NEET
Increasing basic properties of TiO2,ZrO2 and HfO2 are in order:

Options:
A TiO2<ZrO2<HfO2
B HfO2<ZrO2<TiO2
C HfO2<TiO2<ZrO2
D ZrO2<TiO2<HfO2

The correct answer is:
TiO2<ZrO2<HfO2

Solution:
Basicity of metal oxides in d-block element is increase down the group.

Topic: Chemistry, d and f Block Elements, NEET
Increasing order of acid strength among p-methoxyphenol, p-methylphenol and p-nitrophenol is

Options:
A p-nitrophenol, p-methoxyphenol, p-methylphenol
B p-methylphenol, p-methoxyphenol, p-nitrophenol
C p-nitrophenol, p-methylphenol, p-methoxyphenol
D p-methoxyphenol, p-methylphenol, p-nitrophenol

The correct answer is:
p-methoxyphenol, p-methylphenol, p-nitrophenol

Solution:
-OCH3,-CH3 are electron donating groups so decrease the acidic character of phenols. -NO2,-CN are electron withdrawing groups, tend to increase the acidic character. Hence acidic strength order is
p-methoxyphenol < p-methylphenol < p-nitrophenol.

Topic: Chemistry, Alcohols Phenols and Ethers, NEET
Indentify the correct order of solubility in aqueous medium

Options:
A ZnS>Na2S>CuS
B Na2S>CuS>ZnS
C Na2S>ZnS>CuS
D CuS>ZnS>Na2S

The correct answer is:
Na2S>ZnS>CuS

Solution:
Based on Ksp value the correct order of solubility is given as
Na2S>ZnS>CuS

Topic: Chemistry, Ionic Equilibrium, NEET
India constitutes _____ percent of the world's land area and contributes _____ percent of the global species diversity.

Options:
A 1.0, 5.5
B 5.5, 1.0
C 8.1, 2.4
D 2.4, 8.1

The correct answer is:
2.4, 8.1

Solution:
Although India has only 2.4% of the world's land area, it contributes to about an impressive 8.1% of the total global species diversity. This range of biodiversity makes India one of the 12 mega diversity countries of the world. The Wildlife Institute of India has divided the country into 10 biogeographical regions -
1. Trans-Himalayas, 2. Himalayas, 3. Desert, 4. Semi-arid, 5. Western Ghats, 6. Deccan Peninsula, 7. Gangetic Plain, 8. North East, 9. Coasts, 10. Islands.

Topic: Biology, Biodiversity and its Conservation, NEET, NEET 2014
India covers the world land area of ________ and contributes the global diversity of ________.

Options:
A 4%,Â 8%
B 8.1%,Â 2.4
C 2.4%, 8.1%
D 8%,Â 4%

The correct answer is:
2.4%, 8.1%

Solution:
Although India has only 2.4% of the worldâs land area, its share of the global species diversity is an impressive 8.1%. That is what makes our country one of the 12 mega diversity countries of the world. Nearly 45,000 species of plants and twice as many animals have been recorded from India.

Topic: Biology, Biodiversity and its Conservation, NEET
India has only ________ of the world's land area.

Options:
A 21 percent
B 100 percent
C 2.4 percent
D 4.2 percent

The correct answer is:
2.4 percent

Solution:
India occupies only 2.4% of the world's land area but it shares global species diversity of 8.1%. and India is one of the 12 mega diversity countries of the world.

Topic: Biology, Biodiversity and its Conservation, NEET
India's share of the global species diversity is

Options:
A 2.4%
B 8.1%
C 14%
D 11%

The correct answer is:
8.1%

Solution:
India has only 2.4% of the world's land area; its share of the global species diversity is an impressive 8.1%. That is what makes our country one of the 12 mega diversity countries of the world. Nearly 45,000 species of plants and twice as many animals have been recorded from India.

Topic: Biology, Biodiversity and its Conservation, NEET
India's wheat yield revolution in the 1960s was possible primarily due to:

Options:
A hybrid seeds
B increased chlorophyll content
C mutations resulting in plant height reduction
D acquired trait mutations.

The correct answer is:
mutations resulting in plant height reduction

Solution:
Through selective breeding, Norman Borlaug, an American biologist, created a dwarf variety of wheat that put most of its energy into edible kernels rather than long, inedible stems.

Topic: Biology, Strategies for Enhancement in Food Production, NEET, NEET 2004
India's wheat yield revolution in the 1960s was possible primarily due to

Options:
A Hybrid seeds
B Increased chlorophyll content
C Mutations resulting in plant height reduction
D Quantitative trait mutations

The correct answer is:
Mutations resulting in plant height reduction

Solution:
Sharbati Sonora and Pusa Lerma are the two important varieties of wheat that are responsible for the green revolution in India. These are produced by gamma rays treatment of Sonora-24 and Lerma Rojo - 24 which are the Mexican dwarf varieties.

Topic: Biology, Strategies for Enhancement in Food Production, NEET
Indicate the number of σ and π bonds in C6H6?

Options:
A 12 σ bonds and 3 π bonds
B 10 σ bonds and 2 π bonds
C 13 σ bonds and 3 π bonds
D 14 σ bonds and 2 π bonds

The correct answer is:
12 σ bonds and 3 π bonds

Solution:
Correct Option is : (A)
12 σ bonds and 3 π bonds

Topic: Chemistry, General Organic Chemistry, NEET
Indicate the number of σ and π bonds in C6H12?

Options:
A 18 σ bonds
B 15 σ bonds
C 16 σ bonds
D 20 σ bonds

The correct answer is:
18 σ bonds

Solution:
Correct Option is : (A)
18 σ bonds

Topic: Chemistry, General Organic Chemistry, NEET
Indicate the number of σ and π bonds in CH2=C=CH2?

Options:
A 6 σ bonds and 3 π bonds
B 6 σ bonds and 2 π bonds
C 7 σ bonds and 3 π bonds
D 8 σ bonds and 2 π bonds

The correct answer is:
6 σ bonds and 2 π bonds

Solution:
Correct Option is : (B)
6 σ bonds and 2 π bonds

Topic: Chemistry, General Organic Chemistry, NEET
Indicate the number of σ and π bonds in CH2Cl2?

Options:
A 8 σ bonds
B 3 σ bonds
C 6 σ bonds
D 4 σ bonds

The correct answer is:
4 σ bonds

Solution:
Correct Option is : (D)
4 σ bonds

Topic: Chemistry, General Organic Chemistry, NEET
Indicate the number of σ and π bonds in CH3NO2?

Options:
A 7 σ bonds and 2 π bonds
B 6 σ bonds and 2 π bonds
C 6 σ bonds and 1 π bonds
D 8 σ bonds and 2 π bonds

The correct answer is:
6 σ bonds and 1 π bonds

Solution:
Correct Option is : (C)
6 σ bonds and 1 π bonds

Topic: Chemistry, General Organic Chemistry, NEET
Indicate the number of σ and π bonds in HCONHCH3?

Options:
A 7 σ bonds and 2 π bonds
B 8 σ bonds and 2 π bonds
C 6 σ bonds and 1 π bonds
D 8 σ bonds and 1 π bonds

The correct answer is:
8 σ bonds and 1 π bonds

Solution:
Correct Option is : (D)
8 σ bonds and 1 π bonds

Topic: Chemistry, General Organic Chemistry, NEET
Individual reaction at each electrode: What is the individual reaction occurring at the anode?

Options:
A Zn(s) → Zn2+(aq) + 2e-
B Zn2+(aq) + 2e-→ Zn(s)
C Ag+(aq) + e-→ Ag(s)
D Ag(s) → Ag+(aq) + e-

The correct answer is:
Zn(s) → Zn2+(aq) + 2e-

Solution:
Correct Option is : (A)
Zn(s) → Zn2+(aq) + 2e-

Topic: Chemistry, Redox Reactions, NEET
Individuals homozygous for 'xy' genes were crossed with wild type ' ++ '. The F1 dihybrid thus produced was test crossed. It produced progeny in the following ratio â++â 900; â+yâ115; âxyâ 880; âx +â 105 . Find out the recombination frequency.

Options:
A 47 map units
B 88 map units
C 11 map units
D 5.75 map units

The correct answer is:
11 map units

Solution:
The following steps can be used to calculate the recombination frequency is-
RF=NRTPÃ100 map units where RF is recombinant frequency, NR- number of recombinants, TP- total number of progeny. The total number of recombinants, in this case, is 115 + 105 = 220 and the total number of progeny is 900+115+880+105=2000. So the recombination frequency is 2202000Ã 100=11 map units.

Topic: Biology, Principles of Inheritance and Variation, NEET
Individuals of one kind (species) occupying a particular geographic area at a given time form

Options:
A Community
B Population
C Species
D Biome

The correct answer is:
Population

Solution:
Biological organisations are depicted by population, community, biomes and organisms. Biome consists of
a large ecosystem with its flora and fauna such as the aquatic or terrestrial ecosystem. The Group of
individuals of plant or animal residing in a particular geographical area is called population. When different
populations collectively residing in an area interacting with each other, it is called community. The individual who is similar to each other and produces offspring by interbreeding are called species

Topic: Biology, Organisms and Populations, NEET
Individuals suffering from phenylketonuria lack an enzyme required for the conversion of

Options:
A tyrosine to phenylalanine
B phenylalanine to tyrosine
C phenylalanine to phenylpyruvic acid
D phenylpyruvic acid to phenylalanine

The correct answer is:
phenylalanine to tyrosine

Solution:
Phenylketonuria is an autosomal recessive disorder. The affected individual lacks an enzyme that converts the amino acid phenylalanine into tyrosine. As a result of this phenylalanine is accumulated and converted into phenylpyruvic acid and other derivatives. Accumulation of these in brain results in mental retardation. These are also excreted through urine because of its poor absorption by the kidney.

Topic: Biology, Principles of Inheritance and Variation, NEET