datavorous/entrance-exam-dataset huggingface dataset:
When zeolite, which is hydrated sodium aluminium silicate, is treated with hard water, the sodium ions are exchanged with

Options:
A H+ ions
B Ca2+ ions
C Mg2+ ions
D B and D

The correct answer is:
B and D

Solution:
Na+ ions are exchanged with Ca2+ and Mg2+ ions, but not with H+ ion, because of its smaller size than Ca2+ or Mg2+ ions.

Topic: Chemistry, s Block Elements, NEET
When zinc is reacted with dilute and concentrated nitric acid, respectively, gives rise to:

Options:
A NO and N2O
B NO2 and N2O
C N2O and NO2
D NO2 and NO

The correct answer is:
N2O and NO2

Solution:
Zn on reaction with HNO3
Zinc reacts with the dilute nitric acid to form the nitrous oxide gas. It is also known as the laughing gas.

4Zn+10HNO3dil→4ZnNO32+N2O+5H2O

Zinc reacts with the concentrated nitric acid to form the brown colour nitrogen dioxide gas.
Zn+4HNO3conc.→ZnNO32+2NO2+2H2O

Topic: Chemistry, d and f Block Elements, NEET
When Zn converts from melted state to its solid state, it has hcp structure, then find the number of nearest atoms.

Options:
A 6
B 8
C 12
D 4

The correct answer is:
12

Solution:
hcp is a closed packed arrangement in which the unit cell is hexagonal and co-ordination number is 12.

Topic: Chemistry, Solid State, NEET
Whenever a reaction between an oxidizing agent and a reducing agent is carried out, a compound of lower oxidation state is formed if the reducing agent is in excess, and a compound of higher oxidation state is formed if the oxidizing agent is in excess. This statement is justified because:

Options:
A The reducing agent gains electrons and the oxidizing agent loses electrons.
B The reducing agent loses electrons and the oxidizing agent gains electrons.
C The reducing agent donates protons and the oxidizing agent accepts protons.
D The reducing agent accepts protons and the oxidizing agent donates protons.

The correct answer is:
The reducing agent gains electrons and the oxidizing agent loses electrons.

Solution:
Correct Option is : (A)
The reducing agent gains electrons and the oxidizing agent loses electrons.

Topic: Chemistry, Redox Reactions, NEET
Where among the following will you find pitcher plant?

Options:
A Rain forest of North-East India
B Sunderbans
C Thar Desert
D Western Ghats

The correct answer is:
Rain forest of North-East India

Solution:
Pitcher plants are found at rain forest’ of North-East India.

Topic: Biology, Biodiversity and its Conservation, NEET
Where are biodegradable wastes deposited in the waste disposal process?

Options:
A They are sorted out at the disposal site.
B They are left in community bins.
C They are converted into compost.
D They are sent to the sewers.

The correct answer is:
They are converted into compost.

Solution:
Biodegradable wastes are deposited in landfills and converted into compost.

Topic: Chemistry, Environmental Chemistry, NEET
Where are biogas plants mostly built?

Options:
A Urban areas
B Rural areas
C Both urban and rural areas
D None of the above

The correct answer is:
Rural areas

Solution:
Cattle dung is available in large quantities in rural areas where cattle are used for various purposes. Hence, biogas plants are mostly built in rural areas.

Topic: Biology, Microbes in Human Welfare, NEET
Where are chemical messengers received in the body?

Options:
A In the nucleus
B At the binding sites of receptor proteins
C In the cytoplasm
D In the mitochondria

The correct answer is:
At the binding sites of receptor proteins

Solution:
The chemical messengers are received at the binding sites of receptor proteins.

Topic: Chemistry, Chemistry in Everyday Life, NEET
Where are conjoint vascular bundles commonly found?

Options:
A In roots
B In stems and leaves
C In dicotyledonous stems
D In monocotyledons

The correct answer is:
In stems and leaves

Solution:
The conjoint vascular bundles are common in stems and leaves.

Topic: Biology, Anatomy of Flowering Plants, NEET
Where are disinfectants typically applied?

Options:
A On living tissues
B On inanimate objects
C On clothing
D On food

The correct answer is:
On inanimate objects

Solution:
Disinfectants are applied to inanimate objects such as floors, drainage systems, instruments, etc.

Topic: Chemistry, Chemistry in Everyday Life, NEET
Where are glycoproteins and glycolipids formed?

Options:
A The endoplasmic reticulum
B The cell membrane
C The golgi apparatus
D The mitochondria

The correct answer is:
The golgi apparatus

Solution:
Golgi apparatus is the important site of formation of glycoproteins and glycolipids.

Topic: Biology, Cell - The Unit of Life, NEET
Where are helium and neon sometimes found in nature?

Options:
A Volcanoes
B Igneous rocks
C Minerals of radioactive origin
D Glaciers

The correct answer is:
Minerals of radioactive origin

Solution:
Helium and sometimes neon are found in minerals of radioactive origin.

Topic: Chemistry, p Block Elements (Group 15, 16, 17 & 18), NEET
Where are lymph nodes located in the human body?

Options:
A In the respiratory, digestive and urogenital tracts
B Along the lymphatic system
C In the mucosa-associated lymphoid tissue (MALT)
D In the thymus

The correct answer is:
Along the lymphatic system

Solution:
Lymph nodes are small solid structures located at different points along the lymphatic system.

Topic: Biology, Human Health and Diseases, NEET
Where are methanogens commonly found?

Options:
A In the rumen of cattle
B In food of cattle
C In the anaerobic sludge during sewage treatment
D In the stomach of human beings

The correct answer is:
In the anaerobic sludge during sewage treatment

Solution:
Methanogens are commonly found in the anaerobic sludge during sewage treatment. They are also present in the rumen of cattle.

Topic: Biology, Microbes in Human Welfare, NEET
Where are microbes present?

Options:
A In soil
B In water
C In air
D All of the above

The correct answer is:
All of the above

Solution:
Microbes are present everywhere - in soil, water, air, inside our bodies, and that of other animals and plants.

Topic: Biology, Microbes in Human Welfare, NEET
Where are myelinated nerve fibres commonly found in the human body?

Options:
A In the spinal and cranial nerves
B In the retinas of the eyes
C In the embryonic stage
D In the autonomic and somatic neural systems

The correct answer is:
In the spinal and cranial nerves

Solution:
Myelinated nerve fibres are found in spinal and cranial nerves and are enveloped with Schwann cells, which form a myelin sheath around the axon.

Topic: Biology, Neural Control and Coordination, NEET
Where are neptunium and plutonium found?

Options:
A In the atmosphere
B In the Earth's core
C In pitch blende
D In water bodies

The correct answer is:
In pitch blende

Solution:
Neptunium and plutonium, like actinium and protoactinium, are found in pitch blende – an ore of uranium.

Topic: Chemistry, Classification of Elements and Periodicity in Properties, NEET
Where are organic compounds synthesized in a flowering plant?

Options:
A Stem
B Leaves
C Roots
D Flower

The correct answer is:
Leaves

Solution:
Organic compounds synthesised in the photosynthetic leaves are exported to all other parts of the plant including storage organs.

Topic: Biology, Transport in Plants, NEET
Where are phospholipids found in the body?

Options:
A In the blood
B In the skin
C In the cell membrane
D In the muscles

The correct answer is:
In the cell membrane

Solution:
Phospholipids are found in the cell membrane.

Topic: Biology, Biomolecules (B), NEET
Where are Pteridophytes typically found?

Options:
A Deserts
B Tropical rainforests
C Cool, damp, shady places
D Open grasslands

The correct answer is:
Cool, damp, shady places

Solution:
Pteridophytes are found in cool, damp, shady places, although some may also flourish well in sandy-soil conditions.

Topic: Biology, Plant Kingdom, NEET
Where are receptors located?

Options:
A Receptors are located in the brain.
B Receptors are located in the muscles.
C Receptors are located in the bloodstream.
D Receptors are embedded in cell membranes.

The correct answer is:
Receptors are embedded in cell membranes.

Solution:
Correct Option is : (D)
Receptors are embedded in cell membranes.

Topic: Chemistry, Chemistry in Everyday Life, NEET
Where are red blood cells formed in adults?

Options:
A In the spleen
B In the lymph nodes
C In the red bone marrow
D In the white bone marrow

The correct answer is:
In the red bone marrow

Solution:
Red blood cells are formed in the red bone marrow in adults.

Topic: Biology, Body Fluids and Circulation, NEET
Where are ribosomes located in prokaryotic cells?

Options:
A The nucleus
B The cytoplasm
C The plasma membrane
D The endoplasmic reticulum

The correct answer is:
The plasma membrane

Solution:
In prokaryotes, ribosomes are associated with the plasma membrane of the cell.

Topic: Biology, Cell - The Unit of Life, NEET
Where are sponges typically found?

Options:
A Freshwater environments
B Terrestrial environments
C Marine environments
D Both freshwater and terrestrial environments

The correct answer is:
Marine environments

Solution:
Sponges are generally marine animals and are typically found in marine environments.

Topic: Biology, Animal Kingdom, NEET
Where are the asexual spores of Ascomycetes produced?

Options:
A Exogenously on special mycelium called conidiophores
B Endogenously in sac-like asci
C Exogenously on special mycelium called basidiospores
D Endogenously in club-like basidia

The correct answer is:
Exogenously on special mycelium called conidiophores

Solution:
The asexual spores are conidia produced exogenously on the special mycelium called conidiophores.

Topic: Biology, Biological Classification, NEET
Where are the chromosomes located during metaphase?

Options:
A Attached to the centromeres
B Aligned along the metaphase plate at the spindle equator
C Connected to spindle fibres from one pole
D Disintegrated in the cytoplasm

The correct answer is:
Aligned along the metaphase plate at the spindle equator

Solution:
During metaphase, the chromosomes are moved to the spindle equator and aligned along the metaphase plate through the attachment of spindle fibres to the kinetochores.

Topic: Biology, Cell Cycle and Cell Division, NEET
Where are the eyes located in a frog?

Options:
A On the back of its head
B Inside its mouth
C In the orbit of the skull
D On its feet

The correct answer is:
In the orbit of the skull

Solution:
The eyes in a frog are a pair of spherical structures situated in the orbit in the skull. They are located on the front of its head and are used for vision.

Topic: Biology, Structural Organisation in Animals, NEET
Where are the kidneys located in a frog's body?

Options:
A In the front of the body cavity
B In the back of the body cavity
C On the sides of the body cavity
D In the middle of the body cavity

The correct answer is:
On the sides of the body cavity

Solution:
The kidneys in a frog's body are located a little posteriorly in the body cavity on both sides of the vertebral column.

Topic: Biology, Structural Organisation in Animals, NEET
Where are the kidneys located in the human body?

Options:
A Chest
B Head
C Abdomen
D Limbs

The correct answer is:
Abdomen

Solution:
The kidneys are situated between the levels of the last thoracic and third lumbar vertebra, close to the dorsal inner wall of the abdominal cavity.

Topic: Biology, Excretory Products and their Elimination, NEET
Where are the majority of receptors located in the cell?

Options:
A In the nucleus
B In the cytoplasm
C In the mitochondria
D Embedded in the cell membrane

The correct answer is:
Embedded in the cell membrane

Solution:
The majority of receptors are embedded in the cell membrane.

Topic: Chemistry, Chemistry in Everyday Life, NEET
Where are the majority of red algae found?

Options:
A Freshwater
B Terrestrial
C Marine
D All of the above

The correct answer is:
Marine

Solution:
The majority of red algae are marine with greater concentrations found in the warmer areas.

Topic: Biology, Plant Kingdom, NEET
Where are the ovaries located in the female body?

Options:
A In the abdomen
B In the pelvic region
C In the uterus
D In the vagina

The correct answer is:
In the abdomen

Solution:
Each ovary is located one on each side of the lower abdomen.

Topic: Biology, Human Reproduction, NEET
Where are the overwhelmingly large proportion of species waiting to be discovered located?

Options:
A Temperate countries
B Tropical countries
C Both temperate and tropical countries
D Unknown

The correct answer is:
Tropical countries

Solution:
An overwhelmingly large proportion of the species waiting to be discovered are in the tropics.

Topic: Biology, Biodiversity and its Conservation, NEET
Where are the rugae present in the alimentary canal?

Options:
A In the small intestine
B In the stomach
C In the rectum
D In the large intestine

The correct answer is:
In the stomach

Solution:
The mucosa layer forms irregular folds (rugae) in the stomach and small finger-like foldings called villi in the small intestine. The rugae are present in the stomach and help it to stretch and accommodate large amounts of food.

Topic: Biology, Digestion and Absorption, NEET
Where are the salivary glands located?

Options:
A In the alimentary canal
B In the buccal cavity
C Just outside the buccal cavity
D In the liver

The correct answer is:
Just outside the buccal cavity

Solution:
The salivary glands are located just outside the buccal cavity. These glands secrete salivary juice into the buccal cavity to aid in the process of digestion.

Topic: Biology, Digestion and Absorption, NEET
Where are the semilunar valves located in the heart?

Options:
A Between the right and left atria
B Between the left ventricle and the aorta
C Between the right ventricle and the pulmonary artery
D Both B) and C)

The correct answer is:
Both B) and C)

Solution:
The openings of the right and the left ventricles into the pulmonary artery and the aorta respectively are provided with the semilunar valves.

Topic: Biology, Body Fluids and Circulation, NEET
Where are the simple substances formed by digestion absorbed?

Options:
A Duodenum
B Jejunum
C Ileum
D Large intestine

The correct answer is:
Jejunum

Solution:
The simple substances, formed by the breakdown of biomacromolecules in the duodenum, are absorbed in the jejunum and ileum regions of the small intestine.

Topic: Biology, Digestion and Absorption, NEET
Where are the sporangia and sporophylls of gymnosperms located?

Options:
A On leaves
B On roots
C Along an axis in a strobilus or cone
D In the stem

The correct answer is:
Along an axis in a strobilus or cone

Solution:
The sporangia and sporophylls of gymnosperms are arranged spirally along an axis to form lax or compact strobili or cones.

Topic: Biology, Plant Kingdom, NEET
Where are the spores produced in fungi?

Options:
A In fruiting bodies
B In hyphae
C In mycelium
D In spores

The correct answer is:
In fruiting bodies

Solution:
The various spores are produced in distinct structures called fruiting bodies.

Topic: Biology, Biological Classification, NEET
Where are the testes located in male individuals?

Options:
A In the scrotal sac
B In the abdomen
C In the mammary gland
D In the prostate gland

The correct answer is:
In the scrotal sac

Solution:
A pair of testis is present in the scrotal sac (outside abdomen) of male individuals.

Topic: Biology, Chemical Coordination and Integration, NEET
Where are the testes located in the human body?

Options:
A Chest
B Abdomen
C Pelvis
D Neck

The correct answer is:
Pelvis

Solution:
The testes are located in the pelvis region and are situated outside the abdominal cavity within a pouch called scrotum.

Topic: Biology, Human Reproduction, NEET
Where are the working EcoSan toilets located?

Options:
A In many areas of Kerala and Sri Lanka
B In many areas of California
C In many areas of New York
D In many areas of Texas

The correct answer is:
In many areas of Kerala and Sri Lanka

Solution:
In many areas of Kerala and Sri Lanka various EcoSan toilets are l ocated.

Topic: Biology, Environmental Issues, NEET
Where can Aschelminthes be found?

Options:
A Only in water
B Only on land
C Both in water and on land
D Only in plants

The correct answer is:
Both in water and on land

Solution:
Aschelminthes may be freeliving, aquatic and terrestrial or parasitic in plants and animals.

Topic: Biology, Animal Kingdom, NEET
Where can fungi commonly be found?

Options:
A On moist bread and rotten fruits
B In the air, water, and soil
C Only in warm and humid places
D Only on animals and plants

The correct answer is:
In the air, water, and soil

Solution:
Fungi are cosmopolitan and can be found in a variety of environments, including air, water, soil, and on animals and plants.

Topic: Biology, Biological Classification, NEET
Where can members of phycomycetes be found?

Options:
A Aquatic habitats
B Decaying wood in moist and damp places
C Obligate parasites on plants
D All of the above

The correct answer is:
All of the above

Solution:
Members of phycomycetes are found in aquatic habitats and on decaying wood in moist and damp places or as obligate parasites on plants.

Topic: Biology, Biological Classification, NEET
Where can microbes be found, even though no other life-form exists?

Options:
A Deep inside geysers
B Deep in soil
C Under layers of snow
D All of the above

The correct answer is:
All of the above

Solution:
Microbes can be found in places where no other life-form could possibly exist such as deep inside geysers (thermal vents), deep in soil, under layers of snow several meters thick, and in highly acidic environments.

Topic: Biology, Microbes in Human Welfare, NEET
Where can one find the nearest landfill site?

Options:
A In rural areas
B In the suburbs
C In towns or cities
D In industrial areas

The correct answer is:
In towns or cities

Solution:
If one lives in a town or city, they can find the nearest landfill site.

Topic: Biology, Environmental Issues, NEET
Where can we find major and minor grooves?

Options:
A RNA
B DNA
C Both RNA and DNA
D None of these

The correct answer is:
DNA

Solution:
In a DNA molecule, the twisting of strands results in the formation of deep and shallow grooves called major and minor grooves respectively.

Topic: Biology, Molecular Basis of Inheritance, NEET
Where did Herbert Boyer complete his graduate work?

Options:
A University of California
B Yale University
C University of Pittsburgh
D Stanford University

The correct answer is:
University of Pittsburgh

Solution:
Herbert Boyer completed graduate work at the University of Pittsburgh.

Topic: Biology, Biotechnology - Principles and Processes, NEET
Where did Herbert Boyer take over assistant professorship in 1966?

Options:
A Yale University
B University of Pittsburgh
C Stanford University
D University of California at San Francisco

The correct answer is:
University of California at San Francisco

Solution:
Herbert Boyer took over assistant professorship at the University of California at San Francisco in 1966.

Topic: Biology, Biotechnology - Principles and Processes, NEET
Where did Ramdeo Misra obtain his Ph.D in Ecology from?

Options:
A Banaras Hindu University
B Leeds University
C Indian National Science Academy
D Ministry of Environment and Forests

The correct answer is:
Leeds University

Solution:
Ramdeo Misra obtained his Ph.D in Ecology (1937) under Prof. W. H. Pearsall, FRS, from Leeds University in UK.

Topic: Biology, Organisms and Populations, NEET
Where did the first form of life most likely exist?

Options:
A On land
B In the air
C In water
D In space

The correct answer is:
In water

Solution:
All life forms were in a water environment only.

Topic: Biology, Evolution, NEET
Where did this observation supporting evolution by natural selection come from?

Options:
A England
B India
C China
D America

The correct answer is:
England

Solution:
The observation supporting evolution by natural selection comes from England.

Topic: Biology, Evolution, NEET
Where did Watson receive his Ph.D. degree from?

Options:
A University of Chicago
B Indiana University, Bloomington
C University College, London
D Massachusetts General Hospital

The correct answer is:
Indiana University, Bloomington

Solution:
Watson received his Ph.D. degree in 1950 from Indiana University, Bloomington.

Topic: Biology, Principles of Inheritance and Variation, NEET
Where do anionic ligands typically fall in the spectrochemical series?

Options:
A At the high end
B In the middle
C At the low end
D They are not part of the spectrochemical series.

The correct answer is:
At the low end

Solution:
Anionic ligands are typically found at the low end of the spectrochemical series.

Topic: Chemistry, Coordination Compounds, NEET
Where do basidiomycetes typically grow?

Options:
A Soil
B Logs and tree stumps
C Living plant bodies as parasites
D All of the above

The correct answer is:
All of the above

Solution:
They grow in soil, on logs and tree stumps and in living plant bodies as parasites, e.g., rusts and smuts.

Topic: Biology, Biological Classification, NEET
Where do bryophytes typically occur?

Options:
A Damp, humid and shaded localities
B Deserts
C Oceans
D Grasslands

The correct answer is:
Damp, humid and shaded localities

Solution:
Bryophytes usually occur in damp, humid and shaded localities.

Topic: Biology, Plant Kingdom, NEET
Where do the bile duct and the pancreatic duct open?

Options:
A Into the stomach
B Into the small intestine
C Into the duodenum
D Into the colon

The correct answer is:
Into the duodenum

Solution:
The bile duct and the pancreatic duct open together into the duodenum as the common hepato-pancreatic duct, which is guarded by a sphincter called the sphincter of Oddi.

Topic: Biology, Digestion and Absorption, NEET
Where do the C₄ acids in the Hatch and Slack Pathway get broken down to release CO₂ and a 3-carbon molecule?

Options:
A Mesophyll Cells
B Bundle Sheath Cells
C Both A) and B)
D None of the above

The correct answer is:
Bundle Sheath Cells

Solution:
In the Hatch and Slack Pathway, the C₄ acids present in the mesophyll cells are transported to the bundle sheath cells where they are broken down to release CO₂ and a 3-carbon molecule.

Topic: Biology, Photosynthesis in Higher Plants, NEET
Where do the casparian bands occur?

Options:
A Epidermis
B Endodermis
C Pericycle
D Phloem

The correct answer is:
Endodermis

Solution:
Endodermis or innermost layer of cortex has casparian strips in roots. It is called starch sheath in dicot stems. It separates cortex from stele.The cell walls are thickened at the corners in angular collenchyma.

Topic: Biology, Anatomy of Flowering Plants, NEET
Where do the deficiency symptoms of nitrogen, potassium, and magnesium tend to appear first?

Options:
A In the older tissues
B In the younger tissues
C In the roots
D In the stems

The correct answer is:
In the older tissues

Solution:
For elements that are actively mobilised within the plants and exported to young developing tissues, the deficiency symptoms tend to appear first in the older tissues. For example, the deficiency symptoms of nitrogen, potassium and magnesium are visible first in the senescent leaves.

Topic: Biology, Mineral Nutrition, NEET
Where do the external nostrils lead to in the human respiratory system?

Options:
A Pharynx
B Trachea
C Larynx
D Nasal chamber

The correct answer is:
Nasal chamber

Solution:
The external nostrils lead to a nasal chamber through the nasal passage.

Topic: Biology, Breathing and Exchange of Gases, NEET
Where do the lymph vessels release the absorbed substances into the bloodstream?

Options:
A The small intestine
B The large intestine
C The stomach
D The bloodstream

The correct answer is:
The bloodstream

Solution:
These lymph vessels ultimately release the absorbed substances into the bloodstream. The lymph vessels are responsible for transporting absorbed fats from the small intestine into the bloodstream.

Topic: Biology, Digestion and Absorption, NEET
Where do the zygotes in heterosporous plants develop into young embryos?

Options:
A On the parent sporophytes
B On the female gametophytes
C On the male gametophytes
D None of the above

The correct answer is:
On the female gametophytes

Solution:
The development of the zygotes into young embryos takes place within the female gametophytes.

Topic: Biology, Plant Kingdom, NEET