datavorous/entrance-exam-dataset huggingface dataset:
Which one of the following is not a biofertilizer?

Options:
A Rhizobium
B Nostoc
C Mycorrhiza
D Agrobacterium

The correct answer is:
Agrobacterium

Solution:
Agrobacterium is a Gram negative bacterium that causes tumours in plants. It is well known for its ability to transfer DNA between itself and plants, and for this reason it has become an important tool for genetic engineering. A. tumefaciens causes crown-gall disease in plants. It has Ti-plasmid.

Topic: Biology, Mineral Nutrition, NEET, NEET 2011 (Screening)
Which one of the following is not a biofertilizer?

Options:
A Agrobacterium
B Rhizobium
C Nostoc
D Mycorrhiza

The correct answer is:
Agrobacterium

Solution:
Agrobacterium is a soil-borne pathogen responsible for affecting many higher species of plants, causing crown gall disease. Rhizobium, Nostoc and Mycorrhiza are the potent biofertilizers.

Topic: Biology, Microbes in Human Welfare, NEET
Which one of the following is not a bioindicator of water pollution?

Options:
A blood-worms
B stone flies
C sewage fungus
D sludge-worms.

The correct answer is:
stone flies

Solution:
Stone flies are not bioindicators. Bioindicators provide a range of techniques to assess the impcts of air pollution from reactive nitrogen (N) compounds on statutory nature conservation sites. They complement physical monitoring of atmospheric concentrations and deposition and risk assessment based on the critical loads approach by providing sitebased information on atmospheric Nconcentrations, $\mathrm{N}$ deposition and/ or ecological impacts.

Topic: Biology, Environmental Issues, NEET, NEET 2007
Which one of the following is not a biopolymer?

Options:
A Cellulose
B Nylon - 6
C Insulin
D DNA

The correct answer is:
Nylon - 6

Solution:
Polymers which control various life processes in plants and animals are called biopolymers. Cellulose, Insulin, DNA, starch, protein etc. are examples of biopolymer.
Nylon - 6 is a synthetic polymer. It is not a biopolymer.

Topic: Chemistry, Polymers, NEET
Which one of the following is not a calcination reaction?

Options:
A $\mathrm{ZnCO}_3 \stackrel{\Delta}{\longrightarrow} \mathrm{ZnO}+\mathrm{CO}_2$
B $\mathrm{Fe}_2 \mathrm{O}_3 \cdot x \mathrm{H}_2 \mathrm{O} \stackrel{\Delta}{\longrightarrow} \mathrm{Fe}_2 \mathrm{O}_3+x \mathrm{H}_2 \mathrm{O}$
C $\mathrm{CaCO}_3 \cdot \mathrm{MgCO}_3 \stackrel{\Delta}{\longrightarrow} \mathrm{CaO}+\mathrm{MgO}+2 \mathrm{CO}_2$
D $\mathrm{CaCO}_3 \cdot 2 \mathrm{HCl} \stackrel{\Delta}{\longrightarrow} \mathrm{CaCl}_2+\mathrm{H}_2 \mathrm{O}+\mathrm{CO}_2$

The correct answer is:
$\mathrm{CaCO}_3 \cdot 2 \mathrm{HCl} \stackrel{\Delta}{\longrightarrow} \mathrm{CaCl}_2+\mathrm{H}_2 \mathrm{O}+\mathrm{CO}_2$

Solution:
Calcination process involves heating of ore in absence of air below melting point. But here reaction taking place is a displacement reaction.

Topic: Chemistry, s Block Elements, NEET, NEET 2022 (Phase 2)
Which one of the following is not a characteristic feature of sponges?

Options:
A Cellular level of organization
B Presence of ostia
C Intracellular digestion
D Body supported by chitin

The correct answer is:
Body supported by chitin

Solution:
The sponges possess an endoskeleton in the form of calcareous spicules, siliceous spicules and sponging fibres.

Topic: Biology, Animal Kingdom, NEET
Which one of the following is NOT a characteristic of meristematic cells?

Options:
A Presence of intercellular spaces
B Thin cellulosic cell walls
C Presence of prominent nucleus
D High metabolic rate

The correct answer is:
Presence of intercellular spaces

Solution:
The cells residing at the root and shoot tips are known as meristem cells. These are undifferentiated cells and are responsible for the plant growth due to its ability to divide. These cells are small and have thin cellulosic cell walls with large nuclei, small or absent vacuoles, and absence of intercellular spaces. These cells also help to increase the length of the plant as well as the girth (lateral growth) of the stem, branches and roots.

Topic: Biology, Anatomy of Flowering Plants, NEET
Which one of the following is not a characteristic of phylum-Annelida?

Options:
A Closed circulatory system
B Segmentation
C Pseudocoelom
D Ventral nerve cord

The correct answer is:
Pseudocoelom

Solution:
Name of the phylum-Annelida was first coined by Lamarck. The body of annelids is elongated, bilaterally symmetrical, triploblastic, truely coelomate and metamerically segmented into similar metameres. The coelom is true, schizocoelous. Blood vascular system is closed. The nervous system is with a pair of cerebral ganglia and a double ventral nerve cord bearing ganglia and lateral nerves in each segment.
The blood vascular system consisting of blood vessels and capillaries. Blood is composed of fluid plasma and colourless corpuscles, physiologically comparable to the leucocytes of vertebrates.
Pseudocoelom is the body cavity of Aschelminthes.

Topic: Biology, Animal Kingdom, NEET, NEET 2008 (Screening)
Which one of the following is not a condensation polymer?

Options:
A Melamine
B Glyptal
C Dacron
D Neoprene

The correct answer is:
Neoprene

Solution:
Condensation polymers are obtained by bifunctional molecules (monomers) with the elimination of smaller molecules whereas additional polymers are obtained from multiple bond containing monomers. Neoprene is a polymer of chloroprene $\left(\mathrm{CH}_2=\mathrm{C}(\mathrm{Cl})-\mathrm{CH}=\mathrm{CH}_2\right)$ so it is an addition polymer, not a condensation polymer.

Topic: Chemistry, Polymers, NEET, NEET 2012 (Screening)
Which one of the following is not a constituent of cell membrane'?

Options:
A glycolipids
B Proline
C phospholipids
D cholesterol.

The correct answer is:
Proline

Solution:
Cell membrane is chemically made of lipoprotein $(60 \%)$ and carbohydrates (2-10\%). The lipids of cells membrane are of three types phospholipids, glycolipids and sterols. Proline, on the other hand, is an amino acid which is not a constituent of the plasma membrane.

Topic: Biology, Cell - The Unit of Life, NEET, NEET 2007
Which one of the following is not a correct statement?

Options:
A Herbarium houses dried, pressed and preserved plant specimens
B Botanical gardens have collection of living plants for reference
C A museum has collection of photographs of plants and animals
D Key is a taxonomic aid for identification of specimens

The correct answer is:
A museum has collection of photographs of plants and animals

Solution:
Museums have collection of preserved plants and animal specimens for study and reference specimens are preserved in the containers in preservative solutions. Herbarium is a store house at collected plant specimens that are dried, pressed and preserved on sheets. Botanical gardens have collection of living plants for reference. Key is a taxonomic aid for identification of plants and animals based on the similarities and dissimilarities.

Topic: Biology, The Living World, NEET, NEET 2013 (All India)
Which one of the following is not a criterion for classification of fungi?

Options:
A Mode of nutrition
B Mode of spore formation
C Fruiting body
D Morphology of mycelium

The correct answer is:
Mode of nutrition

Solution:
The morphology of the mycelium, mode of spore formation and fruiting bodies form the basis for the division of the kingdom fungi into various classes.

Topic: Biology, Biological Classification, NEET, NEET 2024
Which one of the following is not a disorder of bone?

Options:
A Arthritis
B Osteoporosis
C Rickets
D Atherosclerosis

The correct answer is:
Atherosclerosis

Solution:
Atherosclerosis is a disorder of the circulatory system.

Topic: Biology, Locomotion and Movement, NEET
Which one of the following is not a functional unit of an ecosystem?

Options:
A Energy flow
B Decomposition
C Productivity
D Stratification

The correct answer is:
Stratification

Solution:
Vertical distribution of different species occupying different levels is called stratification. It represent the structural unit of an ecosystem. For example, trees occupy top vertical strata or layer of a forest, shrubs the second and herbs and grasses occupy the bottom layers.

Topic: Biology, Ecosystem, NEET, NEET 2012 (Screening)
Which one of the following is not a functional unit of an ecosystem?

Options:
A Energy flow
B Decomposition
C Productivity
D Stratification

The correct answer is:
Stratification

Solution:
The ecosystem consists of two units, structural component, and functional component. The functional aspect of the ecosystem are, productivity, decomposition, energy flow, and nutrient cycling. Stratification is the structural component of the ecosystem

Topic: Biology, Ecosystem, NEET
Which one of the following is not a fungal disease?

Options:
A Rust of wheat
B Smut of bajra
C Black rot of Cauliflower
D Blight of Cowpea

The correct answer is:
Black rot of Cauliflower

Solution:
Black rot of Crucifers caused by the bacterium Xanthomonas campestris and it is the most common and destructive disease of the cabbage family worldwide.

Topic: Biology, Strategies for Enhancement in Food Production, NEET
Which one of the following is not a lateral meristem?

Options:
A Intrafascicular cambium
B Interfascicular cambium
C Phellogen
D Intercalary meristem

The correct answer is:
Intercalary meristem

Solution:
Intercalary meristems are the portions of apical meristems, which are separated from the apex during the growth of axis and formation of permanent tissues. It is present mostly at the base of node (eg, Mentha viridis), base of internode (eg, stem of many monocots viz, wheat, paddy, grasses; pteridophytes like Equisetum) or at the base of leaf (eg, Pinus).

Topic: Biology, Anatomy of Flowering Plants, NEET, NEET 2010 (Screening)
Which one of the following is not a lateral meristem?

Options:
A Intrafascicular cambium
B Interfascicular cambium
C Phellogen
D Intercalary meristems

The correct answer is:
Intercalary meristems

Solution:
Lateral meristems, intercalary meristems, and apical meristems are the three types of meristems that are present in the plants. The vascular cambium present on the lateral sides are the lateral meristems and they are the intrafascicular cambium and interfascicular cambium. Phellogen is the cork cambium.

Topic: Biology, Anatomy of Flowering Plants, NEET
Which one of the following is not a limitation of ecological pyramids?

Options:
A Saprophytes are not given any place in ecological pyramids
B It assumes a simple food chain, that almost never exists in nature
C It accommodates a food web
D It does not take into account the same species belonging to two or more trophic levels

The correct answer is:
It accommodates a food web

Solution:
There are certain limitation of ecological pyramids.
Such as :
- It does not take into account the same species belonging to two or more trophic levels.
- It assumes a simple food chain, something that almost never exists in nature.
- It does not accommodate a food web.
- Saprophytes are not given any place in ecological pyramids even though they play a vital role in the ecosystem.

Topic: Biology, Ecosystem, NEET, NEET 2024 (Re-NEET)
Which one of the following is not a living fossil?

Options:
A Peripatus
B king crab
C Sphenodon
D Archaeopteryx

The correct answer is:
Archaeopteryx

Solution:
Archaeopteryx is not a living fossil. It is a fossil bird which lived in the Jurassic period and is considered a connecting link between birds and reptiles. King crab (arthropoda), Sphenodon (reptile) and Peripatus (oviparous mammal) are living fossils.

Topic: Biology, Evolution, NEET, NEET 2006
Which one of the following is not a living fossil?

Options:
A Peripatus
B King crab
C Sphenodon
D Archaeopteryx

The correct answer is:
Archaeopteryx

Solution:
Living fossil is a term for any living species (or clade) of organism which closely resembles species otherwise only known from fossils has no close living relatives. These species have all survived major extinction events and generally retain low taxonomic diversities.
Some examples of living fossils in animals are - coelocanth, coral (polup), crocodylia (crocodiles, gavials and alligators) horseshoe crab (Limulus polyphemus), monotremes (the platypas and echidnas), snout-nosed frog (Nasikabatrachus sahyadrensis).
Archaeopteryx is the earliest and most primitive known birds to date. It lived in the Jurassic period around 150-159 million years ago. It has feathers and wings but it also has teeth and a skeleton similar to a small carnivorous dinosaur therefore, it had both bird and theropod dinosaur features archaeopteryx is a powerful piece of evidence that shows that birds have evolved from dinosaurs.

Topic: Biology, Evolution, NEET
Which one of the following is not a male accessory gland?

Options:
A Seminal vesicle
B Ampulla
C Prostate
D Bulbourethral gland

The correct answer is:
Ampulla

Solution:
Male accessory glands are the seminal vesicle, prostate gland and bulbourethral gland. Ampulla is a part of the female reproductive system.

Topic: Biology, Human Reproduction, NEET
Which one of the following is not a method of in situ conservation of biodiversity?

Options:
A Biosphere Reserve
B Wildlife sanctuary
C Botanical Garden
D Sacred Grove

The correct answer is:
Botanical Garden

Solution:
The approach of in situ conservation is the protection of threatened species in their natural habitat. Such methods of conservation include biosphere reserves, national parks, wildlife sanctuaries and sacred groves. Conservation of species in a special setting away from their natural habitat is called ex situ conservation. These include zoological parks, botanical gardens, wildlife safari parks, cryopreservation, etc.

Topic: Biology, Biodiversity and its Conservation, NEET, NEET 2019 (All India)
Which one of the following is not a micronutrient?

Options:
A Molybdenum
B Magnesium
C Zinc
D Boron

The correct answer is:
Magnesium

Solution:
The essential elements, which are required by plants in comparatively large amounts are called as macro elements, eg, C, H, O, N, P, K, $\mathrm{Ca}, \mathrm{S}, \mathrm{Mg}, \mathrm{Fe}$. The elements, which are required in very small amount by the plants are called micro elements, eg, $\mathrm{Zn}, \mathrm{Mn}, \mathrm{B}, \mathrm{Cu}, \mathrm{Mo}$ and $\mathrm{Cl}$.

Topic: Biology, Mineral Nutrition, NEET, NEET 2010 (Screening)
Which one of the following is not a micronutrient?

Options:
A Molybdenum
B Magnesium
C Zinc
D Boron

The correct answer is:
Magnesium

Solution:
Magnesium is a macronutrient. Micronutrients are essential elements that are required by plants in a small amount. They include Fe, Cu, B, Mo, Mn, Cl, and Ni. Macronutrients, on the other hand, are those essential elements that are required by plants in a larger amount. The examples include C, H, 0, N, S, P, K, Ca, and Mg.

Topic: Biology, Mineral Nutrition, NEET
Which one of the following is not a nitrogen fixing organism?

Options:
A Anabaena
B Nostoc
C Azotobacter
D Pseudomonas.

The correct answer is:
Pseudomonas.

Solution:
Certain prokaryotic organisms are capable fixing nitrogen available in the air and reduce it to ammonia. They have presence of an enzyme called nitrogenase which helps in reduction of nitrogen to ammonia. This process is called biological nitrogen fixation and the organisms are called nitrogen fixers. These nitrogen fixers could be free living or symbiotic. The examples of these free living microbes are Azotobacter, Rhodospirillum, Anabaena, Nostoc, etc. Pseudomonas are not nitrogen fixing bacterias.

Topic: Biology, Mineral Nutrition, NEET
Which one of the following is not a nitrogen-fixing organism?

Options:
A Anabaena
B Nostoc
C Azotobacter
D Pseudomonas

The correct answer is:
Pseudomonas

Solution:
Anabaena, Nostoc and Azotobacter are the cyanobacteria. All are nitrogen-fixing organism.

Topic: Biology, Microbes in Human Welfare, NEET
Which one of the following is not a parasitic adaptation?

Options:
A Development of adhesive organs
B Loss of digestive organs
C Loss of reproductive capacity
D Loss of unnecessary sense organs

The correct answer is:
Loss of reproductive capacity

Solution:
The general parasitic adaption includes anaerobic respiration, loss or organs, presence of adhesive organs, excessive multiplication, resistant cyst and eggs for safer transfer of their progeny to new hosts
and well-developed reproductive organs with increased reproductive fitness.
Related Theory
The hermaphroditism is an adaptation advantageous to parasitic mode of life, to overcome the search of the mate. In parasites both self and cross fertilization can occur. The complexity of life cycles in which more hosts are involved helps deriving maximum benefits from different hosts and in the proper distribution and dispersal of the parasite.

Topic: Biology, Respiration in Plants, NEET, NEET 2013 (Karnataka)
Which one of the following is not a part of a renal pyramid?

Options:
A Peritubular capillaries
B Loops of Henle
C Collecting ducts
D Convoluted tubules

The correct answer is:
Convoluted tubules

Solution:
The renal pyramid consists of loops of Henle, collecting ducts, peritubular capillaries. The renal cortex consists of convoluted tubules together with the renal corpuscles.

Topic: Biology, Excretory Products and their Elimination, NEET
Which one of the following is not a part of a renal pyramid?

Options:
A Convoluted tubules
B Collecting ducts
C Loops Henle
D Peritubular capillaries

The correct answer is:
Convoluted tubules

Solution:
Convoluted tubule is the highly convoluted segments of nephron in the renal labyrinth of the kidney. It is made up of the proximal tubule leading from the Bowmans capsule to the descending limb of Henle's loop and the distal tubule leading from the ascending limb of Henle's loop to a collecting tubule.

Topic: Biology, Excretory Products and their Elimination, NEET, NEET 2011 (Screening)
Which one of the following is NOT a plant-like protist?

Options:
A Desmid
B Dinoflagellate
C Diatom
D Slime mould

The correct answer is:
Slime mould

Solution:
Desmid, Dinoflagellate, and Diatom are the plant-like protists. Slime mould is a fungi-like protist.

Topic: Biology, Biological Classification, NEET
Which one of the following is not a second messenger in hormone action?

Options:
A cAMP
B cGMP
C calcium
D sodium

The correct answer is:
sodium

Solution:
Second messengers are the organic molecules whose production or release usually amplifies a signal such as a hormone and are received at the cell surface.
Sodium (Na) is not a second messenger in hormone action.
Related Theory
Second messengers are molecules that relay signals received at receptors on the cell surface such as the arrival of protein hormones, growth factors, etc. to target molecules in the cytosol and/or nucleus. Second messengers also serve to greatly amplify the strength of the signal. Binding of a ligand to a single receptor at the cell surface may end up causing massive changes in the biochemical activities within the cell. There are 3 major classes of second messengers:
(i) cyclic nucleotides (e.g., cAMPand cGMP)
(ii) inositol trisphosphate (IP3) and diacylglycerol (DAG)
(iii) calcium ions $\left(\mathrm{Ca}^{2+}\right)$

Topic: Biology, Chemical Coordination and Integration, NEET, NEET 2006
Which one of the following is not an autoimmune disease?

Options:
A Graves' disease
B Pernicious anaemia
C Rheumatoid arthritis
D Sleeping sickness

The correct answer is:
Sleeping sickness

Solution:
Autoimmune diseases are certain unrelated disorders caused by inflammation and destruction of tissues by the body's own immune responce. These disorders include acquired haemolytic anaemia, pernicious anaemia, rheumatic fever, rheumatoid arthritis, glomerulonephritis, systemic lupus erythematosus, myasthenia gravis, Sjogren's syndrome, and several forms of thyroid dysfunction, including Hashimoto's disease.
African trypanosomiasis, also known as African sleeping sickness or simply sleeping sickness, is an insect-borne parasitic infection of humans and other animals. It is caused by the species Trypanosoma brucei.

Topic: Biology, Human Health and Diseases, NEET
Which one of the following is not an example of Sandmeyer reaction?

Options:
A
B
C
D

The correct answer is:

Solution:
Here reactions in option A, B and C are example of Sandmeyer reaction but not given reaction in option D.
The reactions of cuprous salts with
are called Sandmeyer reaction.

Topic: Chemistry, Haloalkanes and Haloarenes, NEET
Which one of the following is not an inclusion body found in prokaryotes?

Options:
A Phosphate granule
B Cyanophycean granule
C Glycogen granule
D Polysome

The correct answer is:
Polysome

Solution:
Inclusion bodies: Reserve material in prokaryotic cells are stored in the cytoplasm in the form of inclusion bodies. These are not bound by any membrane system and lie free in the cytoplasm, e.g., phosphate granules, cyanophycean granules and glycogen granules. Gas vacuoles are found in blue green and purple and green photosynthetic bacteria.

Topic: Biology, Cell - The Unit of Life, NEET, NEET 2015 (Phase 1)
Which one of the following is not an inclusion body found in prokaryotes?

Options:
A Phosphate granule
B Cyanophycean granule
C Glycogen granule
D Polysome

The correct answer is:
Polysome

Solution:
Inclusion bodies: Reserve material in prokaryotic cells are stored in the cytoplasm in the form of inclusion bodies. These are not bound by any membrane system and lie free in the cytoplasm, e.g., phosphate granules, cyanophycean granules and glycogen granules. Gas vacuoles are found in blue green and purple and green photosynthetic bacteria.

Topic: Biology, Cell - The Unit of Life, NEET
Which one of the following is not applicable to RNA?

Options:
A 5' phosphoryl and 3' hydroxyl end
B Heterocyclic nitrogenous bases
C Chargaff's rule
D Complementary base pairing

The correct answer is:
Chargaff's rule

Solution:
Erwin Chargaff’s rules: Chargaff along with his colleagues, performed base composition studies and put forward certain generalizations for double stranded DNA, called as Chargaff’s rule (Not applicable for single stranded DNA or RNA).
i) Purines and pyrimidines occur in equal amounts.
ii) Purines found in DNA are adenine and guanine. Pyrimidines of DNA are thymine and cytosine.
A + G = T + C
iii) A+GT+C = 1 this value is constant for all species.
iv) The base ratio A+TG+C = 1 is specific for a species. It is used to identify the species. It is less than one in prokaryotes, e.g., E. coli = 0.92 and more than one in eukaryotes, e.g., Human = 1.52.
v) Sugar deoxyribose and phosphate residues occur in equal number.
vi) Purine adenine is equimolar with pyrimidine thymine.
vii) Purine guanine is equimolar with pyrimidine cytosine.

Topic: Biology, Molecular Basis of Inheritance, NEET, NEET 2015 (Phase 2)
Which one of the following is not characteristic of phylum Annelida?

Options:
A Segmentation
B Mesodermal patches between ectoderm and endoderm
C Ventral nerve cord
D Closed circulatory system

The correct answer is:
Mesodermal patches between ectoderm and endoderm

Solution:
Phylum Annelids are popularly known as segmental worms as they show the presence of internal and external segments. The examples are earthworms, nereis, leeches etc. These show presence of nerve cord on the ventral cord.
Annelids have closed circulation that shows a proper network of blood vessels and heart. This shows the presence of true coelom and hence are eucoelomates as mesoderm is completely formed. If mesoderm appears as patches between ectoderm and endoderm, it forms a pseudocoelom, which is seen in phylum Aschelminthes.

Topic: Biology, Animal Kingdom, NEET
Which one of the following is NOT correct for monosaccharides?
1. They are optically active polyhydroxy carbonyl compounds
2. Fructose is ketose sugar and hence it does not give red precipitate with Fehling solution
3. α -D(+) glucose and β -D(+) glucose are anomers
4. Glucose and mannose are anomers

Options:
A 1, 2
B 2, 3
C 2, 4
D 1, 2, 3, 4

The correct answer is:
2, 4

Solution:
Statement
1. Correct
2. Incorrect- Including fructose all monosaccharides give the fehling's test
3. Correct
4. Incorrect- Glucose & mannose are epimers not anomers.

Topic: Chemistry, Biomolecules, NEET