NEET Topic-wise & A
Topic 1: INTRODUCTION
Model Questions
01: Biological classification of plants and animals was first proposed by
(1) Andreas Vesalius
(2) Aristotle
(3) Hippocrates
(4) Theophrastus
✅ (2) Aristotle
02: Aristotle classified plants into
(1) Aquatic plants and terrestrial plants
(2) Phanerogamae and Cryptogamae
(3) Angiosperms and Gymnosperms
(4) Trees, shrubs and herbs
✅ (4) Trees, shrubs and herbs
03: Who classified animals into those which had red blood and those that did not?
(1) Aristotle
(2) Linnaeus
(3) R.H. Whittaker
(4) Bentham & Hooker
✅ (1) Aristotle
04: Which of the following statements is incorrect about Two-Kingdom classification?
(1) It is proposed by Carl Linnaeus
(2) It included Bacteria & cyanobacteria under Kingdom Plantae
(3) It included the unicellular and the multicellular organisms in different group
(4) It did not differentiate between the heterotrophic fungi and the autotrophic green plants
✅ (3) It included the unicellular and the multicellular organisms in different group
05: Chemical constituents of plants such as alkaloids, raphides, crystals, aromatic compounds etc. are used as characteristics for which type of new systematics?
(1) Chemotaxonomy
(2) Cytotaxonomy
(3) Karyotaxonomy
(4) Numerical taxonomy
✅ (1) Chemotaxonomy
06: A taxonomic system based only on the traits that reflect the order in time in which branches arose in phylogenetic tree is called
(1) phylogeny
(2) cladistics
(3) classical
(4) phenetics
✅ (2) cladistics
07: The five-kingdom classification was done based on certain characteristics. Which of the following form the chief criteria for the above classification?
I) Cell structure
II) Body organisation
III) Habitat of the organisms
IV) Mode of nutrition and reproduction
V) Phylogenetic relationships
(1) I, II and IV only
(2) II, III and V only
(3) II, III and IV only
(4) All are included except III
✅ (4) All are included except III
Topic 2: KINGDOM MONERA
NEET: Previous Years Questions
08: Oxygen is not produced during photosynthesis by
(1) Green-sulphur bacteria
(2) Nostoc
(3) Cycas
(4) Chara (NEET 2018)
✅ (1) Green-sulphur bacteria
09: Which among the following is not a prokaryote?
(1) Saccharomyces
(2) Mycobacterium
(3) Nostoc
(4) Oscillatoria (NEET 2018)
✅ (1) Saccharomyces
10: Which of the following are found in extreme saline conditions? (NEET 2017)
(1) Eubacteria
(2) Cyanobacteria
(3) Mycobacteria
(4) Archaebacteria
✅ (4) Archaebacteria
11: Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen?
(1) Pseudomonas
(2) Mycoplasma
(3) Nostoc
(4) Bacillus (NEET 2017)
✅ (2) Mycoplasma
12: DNA replication in bacteria occurs
(1) within nucleolus
(2) prior to fission
(3) just before transcription
(4) during S phase (NEET 2017)
✅ (2) prior to fission
13: Methanogens belong to (NEET-II 2016)
(1) eubacteria
(2) archaebacteria
(3) dinoflagellates
(4) slime moulds
✅ (2) archaebacteria
14: The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, include the
(1) methanogens
(2) eubacteria
(3) halophiles
(4) thermoacidophiles (NEET-I 2016)
✅ (1) methanogens
Model Questions
15: Monera contain none of the following structures except
(1) Mitochondria
(2) Nucleus
(3) Endoplasmic reticulum
(4) DNA
✅ (4) DNA
16: Which of the following is correct?
(1) Coccus – Comma-shaped, Bacillus – Rod-shaped, Vibrium – Spherical, Spirillum – Spiral
(2) Coccus – Rod-shaped, Bacillus – Spherical, Vibrium – Comma-shaped, Spirillum – Spiral
(3) Coccus – Spherical, Bacillus – Rod-shaped, Vibrium – Comma-shaped, Spirillum – Spiral
(4) Coccus – Spiral, Bacillus – Comma-shaped, Vibrium – Rod-shaped, Spirillum – Spherical
✅ (3) Coccus – Spherical, Bacillus – Rod-shaped, Vibrium – Comma-shaped, Spirillum – Spiral
17: The oldest kingdom is
(1) Plantae
(2) Protista
(3) Monera
(4) Fungi
✅ (3) Monera
18: Of the following organisms cell wall is present in
(1) Chlamydomonas and Paramecium
(2) Euglena and Chlamydomonas
(3) Paramecium and Amoeba
(4) Chlamydomonas and chlorella
✅ (4) Chlamydomonas and chlorella
19: Match the following:
(1) I-Q, II-P, III-T, IV-R, V-S
(2) I-P, II-R, III-Q, IV-S, V-T
(3) I-Q, II-P, III-S, IV-T, V-R
(4) I-S, II-P, III-Q, IV-R, V-T
✅ (3) I-Q, II-P, III-S, IV-T, V-R
20: Bacteria reproduce mainly by
(1) Fission
(2) Budding
(3) Fragmentation
(4) Conjugation
✅ (1) Fission
21: Match the following columns:
(1) a-2 b-5 c-4 d-3 e-1
(2) a-3 b-4 c-1 d-5 e-2
(3) a-4 b-5 c-2 d-1 e-3
(4) a-3 b-5 c-1 d-2 e-4
✅ (4) a-3 b-5 c-1 d-2 e-4
22: Some hyperthermophilic organisms that grow in highly acidic (pH 2) habitats belong to the two groups
(1) Eubacteria and archaea
(2) Cyanobacteria and diatoms
(3) Protists and mosses
(4) Liverworts and yeasts
✅ (1) Eubacteria and archaea
23: Which of the following is a free-living nitrogen fixing bacterium present in the soil?
(1) Nitrosomonas
(2) Rhizobium
(3) Azotobacter
(4) Pseudomonas
✅ (3) Azotobacter
24: Which of the following is photosynthetic prokaryote?
(1) Methanogens
(2) Nostoc
(3) Rhizobium
(4) Sulphur bacteria
✅ (2) Nostoc
25: Which of the following is not a true statement regarding Mycoplasma?
(1) They are monerans with a cellulosic cell wall
(2) They are the smallest living cells known
(3) They can survive without oxygen
(4) Many are pathogenic in animals and plants
✅ (1) They are monerans with a cellulosic cell wall
Topic 3: KINGDOM PROTISTA
NEET: Previous Years Questions
26: Which of the following organisms are known as “Chief producers” in the ocean? (NEET 2018)
(1) Dinoflagellates
(2) Diatoms
(3) Cyanobacteria
(4) Euglenoids
✅ (2) Diatoms
27: Ciliates differ from all other protozoans in
(1) using flagella for locomotion
(2) having a contractile vacuole for removing excess water
(3) using pseudopodia for capturing prey
(4) having two types of nuclei (NEET 2018)
✅ (4) having two types of nuclei
28: Which among the following is not a prokaryote?
(1) Saccharomyces
(2) Mycobacterium
(3) Nostoc
(4) Oscillatoria (NEET 2018)
✅ (1) Saccharomyces
29: Select the wrong statement.
(1) The walls of diatoms are easily destructible.
(2) ‘Diatomaceous earth’ is formed by the cell walls of diatoms.
(3) Diatoms are chief producers m the oceans.
(4) Diatoms are microscopic and float passively in water. (NEET-II 2016)
✅ (1) The walls of diatoms are easily destructible.
30: Chrysophytes, Euglenoids, Dinoflagellates and Slime moulds are included in the Kingdom
(1) Fungi
(2) Animalia
(3) Monera
(4) Protista (NEET-I 2016)
✅ (4) Protista
Model Questions
31: Match the following columns:
(1) a-2 b-5 c-1 d-3 e-4
(2) a-3 b-4 c-1 d-5 e-2
(3) a-4 b-5 c-1 d-2 e-3
(4) a-5 b-3 c-1 d-2 e-4
✅ (2) a-3 b-4 c-1 d-5 e-2
32: Which of the following is not a character of Protista?
(1) Protists are prokaryotes
(2) Some protists have cell walls
(3) Mode of nutrition is autotrophic & heterotrophic
(4) Body organization is cellular
(5) Membrane bound organelles are present in cells
✅ (1) Protists are prokaryotes
33: Which of the following is not matched correctly
(1) Anabaena - Cyanobacteria
(2) Gonyaulax - Dinoflagellate
(3) Thermoacidophiles - Archaebacteria
(4) Albugo - Chrysophytes
✅ (4) Albugo - Chrysophytes
34: The thalloid body of a slime mould (Myxomycetes) is known as
(1) Protonema
(2) Plasmodium
(3) Fruiting body
(4) Mycelium
✅ (2) Plasmodium
35: Select the wrong statement related to diatoms.
(1) They are the chief ‘producers’ in the oceans
(2) They have siliceous cell walls forming two thin overlapping shells
(3) They are photosynthetic dinoflagellates
(4) Diatomaceous earth is the cell wall deposit of diatoms over billions of years in their habitat
✅ (3) They are photosynthetic dinoflagellates
36: All single celled eukaryotes are placed under
(1) Protista
(2) Monera
(3) Parazoa
(4) Fungi
✅ (1) Protista
37: A unicellular organism often considered as a connecting link between plants and animals is
(1) Monocystis
(2) Paramoecium
(3) Euglena
(4) slime mould
✅ (3) Euglena
38: All the following can be applicable to protozoans except
(1) they are believed to be primitive relatives of animals
(2) they all are heterotrophs and live as predators or parasites
(3) there are six major groups of protozoans
(4) they are single celled
✅ (3) there are six major groups of protozoans
39: Slime moulds are ……………… protists
(1) Free living
(2) Parasitic
(3) Symbiotic
(4) Saprophytic
✅ (4) Saprophytic
40: In which of the following organisms the body is covered over by a protein rich layer called pellicle?
(1) Amoeba
(2) Entamoeba
(3) Euglena
(4) Plasmodium
✅ (3) Euglena
41: Red tide is caused by
(1) Gonyaulax
(2) Ceratium
(3) Noctiluca
(4) Physarum
✅ (1) Gonyaulax
42: ……………… is photosynthetic in the presence of sunlight, when deprived of sunlight, it behaves like heterotroph by predating on other small organisms
(1) Vorticella
(2) Euglena
(3) Mucor
(4) Beroe
✅ (2) Euglena
43: The organisms with non-cellulosic cell wall, multicellular organization with loose tissue and saprophytic or parasitic mode of nutrition come under the Kingdom
(1) Monera
(2) Protista
(3) Fungi
(4) Plantae
✅ (3) Fungi
44: Yeast comes under
(1) Myxomycetes
(2) Phycomycetes
(3) Ascomycetes
(4) Basidiomycetes
✅ (3) Ascomycetes
45: The cell walls of fungi are composed of
(1) Pectin and cellulose
(2) Lignin and polysaccharides
(3) Chitin and peptidoglycan
(4) Chitin and polysaccharides
✅ (4) Chitin and polysaccharides
46: All the following statements regarding Diatoms are correct except
(1) most of the Diatoms are photosynthetic
(2) they are found in fresh water as well as in marine environments
(3) the cell walls of diatoms form two thin overlapping shells, which fit together as in a soap box
(4) the walls of diatoms are embedded with chitin and cutin and thus the walls are indestructible
✅ (4) the walls of diatoms are embedded with chitin and cutin and thus the walls are indestructible.
47: Trypanosoma gambiense is a
(1) Obligatory monogenetic parasitic
(2) Obligatory digenetic parasite
(3) Facultative monogenetic parasite
(4) Facultative digenetic parasite
✅ (2) Obligatory digenetic parasite
48: The protozoan Trypanosoma gambiense causes the disease
(1) Elephantiasis
(2) African sleeping sickness
(3) Yellow fever
(4) Typhus fever
✅ (2) African sleeping sickness
49: Presence of stiff cellulose plates on the outer surface of the cell wall is a characteristic feature of
(1) Slime moulds
(2) Dinoflagellates
(3) Euglenoids
(4) Flagellated protozoans
✅ (2) Dinoflagellates
50: The primary grouping of protozoans is based on
(1) mode of nutrition
(2) mode of reproduction
(3) their habitat
(4) locomotory structure
✅ (4) locomotory structure
Topic 4: KINGDOM FUNGI
NEET: Previous Years Questions
51: Which one of the following is not a criterion for classification of fungi? (NEET 2024)
(1) Morphology of mycelium
(2) Mode of nutrition
(3) Mode of spore formation
(4) Fruiting body
✅ (2) Mode of nutrition
52: Match List I with List II. (NEET 2024)
Choose the correct answer from the options given below:
(1) A-III, B-II, C-IV, D-I
(2) A-I, B-III, C-II, D-IV
(3) A-III, B-II, C-I, D-IV
(4) A-IV, B-III, C-II, D-I
✅ (1) A-III, B-II, C-IV, D-I
53: Which of the following statements is correct?
(1) Fusion of two cells is called Karyogamy.
(2) Fusion of protoplasm between two motile on non-motile gametes is called plasmogamy.
(3) Organisms that depend on living plants are called saprophytes.
(4) Some of the organisms can fix atmospheric nitrogen in specialized cells called sheath cells. (NEET 2021)
✅ (2) Fusion of protoplasm between two motile on non-motile gametes is called plasmogamy.
54: Which of the following statements is incorrect?
(1) Morels and truffles are edible delicacies.
(2) Claviceps is a source of many alkaloids and LSD.
(3) Conidia are produced exogenously and ascospores endogenously.
(4) Yeasts have filamentous bodies with long thread-like hyphae. (NEET 2019)
✅ (4) Yeasts have filamentous bodies with long thread-like hyphae.
55: Match column ‐I with column‐ II.
Choose the correct answer from the options given below.
(A) (B) (C) (D)
(1) (ii) (iii) (iv) (i)
(2) (i) (ii) (iii) (iv)
(3) (iii) (ii) (i) (iv)
(4) (ii) (i) (iii) (iv) (NEET 2019)
✅ (1) (ii) (iii) (iv) (i)
56: Select the wrong statement. (NEET 2018)
(1) Cell wall is present in members of Fungi and Plantae
(2) Mushrooms belongs to Basidiomycetes
(3) Pseudopodia are locomotory and feeding structures in Sporozoans
(4) Mitochondria are the powerhouse of the cell in all kingdoms except Monera
✅ (3) Pseudopodia are locomotory and feeding structures in Sporozoans
57: After karyogamy followed by meiosis, spores are produced exogenously in (NEET 2018)
(1) Neurospora
(2) Alternaria
(3) Agaricus
(4) Saccharomyces
✅ (3) Agaricus
58: Which one of the following is wrong for Fungi?
(1) They are eukaryotic.
(2) All Fungi possess a purely cellulosic cell wall.
(3) They are heterotrophic.
(4) They are both unicellular and multicellular. (NEET-II 2016)
✅ (2) All Fungi possess a purely cellulosic cell wall.
59: Which one of the following statements is wrong?
(1) Eubacteria are also called false bacteria.
(2) Phycomycetes are also called algal Fungi.
(3) Cyanobacteria are also called blue‐green algae.
(4) Golden algae are also called desmids. (NEET-I 2016)
✅ (1) Eubacteria are also called false bacteria.
60: One of the major components of cell wall of most Fungi is
(1) cellulose
(2) hemicellulose
(3) chitin
(4) peptidoglycan (NEET-I 2016)
✅ (3) chitin
Model Questions
61: The study of Fungi is called
(1) Phycology
(2) Mycology
(3) Palynology
(4) Malacology
✅ (2) Mycology
62: The mycelium in fungi may be septate or aseptate. In which of the following classes the mycelium is aseptate and coenocytic
(1) Phycomycetes
(2) Ascomycetes
(3) Basidiomycetes
(4) Deuteromycetes
✅ (1) Phycomycetes
63: Match the following:
(1) I-O II-K III-M IV-N V-L
(2) I-L II-M III-N IV-K V-O
(3) I-M II-N III-K IV-L V-O
(4) I-M II-K III-N IV-L V-O
✅ (3) I-M II-N III-K IV-L V-O
64: Fungi store food in the form of
(1) Glycogen
(2) Inulin
(3) Glucose
(4) Starch
✅ (1) Glycogen
65: From the following choose the characters applicable to the members belonging to the kingdom Animalia.
I. they are heterotrophic eukaryotic organisms lacking a cell wall
II. they directly or indirectly depend on plants for food
III. they store food reserves as glycogen or fat
IV. their mode of nutrition is either holozoic or holophytic
V. they follow a definite growth pattern
VI. both lower and higher forms show elaborate sensory and neuromotor mechanism
VII. the sexual reproduction is by copulation of male and female followed by embryological development
(1) Only I, II, IV & VI are applicable
(2) Only II, III, V & VI are applicable
(3) Only I, II, III & VI are applicable
(4) Only I, II, III, V, VII are applicable
✅ (4) Only I, II, III, V, VII are applicable
Topic 5: VIRUSES, VIROIDS, PRIONS AND LICHENS
NEET: Previous Years Questions
66: Which of the following is correct about viroids?
(1) They have DNA with protein coat.
(2) They have free DNA without protein coat
(3) They have RNA with protein coat.
(4) They have free RNA without protein coat (NEET 2020)
✅ (4) They have free RNA without protein coat
67: Match Column - I with Column - II.
Choose the correct answer from the options given below:
(a) (b) (c) (d)
(1) (i) (ii) (iii) (iv)
(2) (iii) (ii) (i) (iv)
(3) (ii) (i) (iii) (iv)
(4) (ii) (iii) (iv) (i) (NEET 2019)
✅ (4) (ii) (iii) (iv) (i)
68: Which of the following statements is incorrect?
(1) Viroids lack a protein coat
(2) Viruses are obligate parasites
(3) Infective constituent in viruses is the protein coat
(4) Prions consist of abnormally folded proteins (NEET 2019)
✅ (3) Infective constituent in viruses is the protein coat
69: Viroids differ from viruses in having
(1) DNA molecules without protein coat
(2) RNA molecules with protein coat
(3) RNA molecules without protein coat
(4) DNA molecules with protein coat (NEET 2017)
✅ (3) RNA molecules without protein coat
70: Which of the following statements is wrong for viroids?
(1) They cause infections.
(2) Their RNA is of high molecular weight.
(3) They lack a protein coat.
(4) They are smaller than viruses. (NEET-I 2016)
✅ (2) Their RNA is of high molecular weight.
Model Questions
71: Viruses did not find a place in Whittaker’s five kingdom classification since
(1) they are obligatory parasites
(2) they take over the machinery of the host cell to replicate
(3) they do not possess a metabolic machinery of their own
(4) they are not truly living
✅ (4) they are not truly living
72: The principal components of viruses are
(1) Protein & lipid
(2) DNA & RNA
(3) RNA & lipid
(4) Protein & nucleic acid
✅ (4) Protein & nucleic acid
73: An American microbiologist ------ isolated the tobacco mosaic virus in the form of crystals
(1) W.M. Stanley
(2) Iwanowsky
(3) Beijerinek
(4) T.O. Diener
✅ (1) W.M. Stanley
74: Generally, viruses that infect plants have
(1) Single stranded RNA
(2) Double stranded RNA
(3) Single stranded DNA
(4) Double stranded DNA
✅ (1) Single stranded RNA
75: Assertion (A): Viruses are considered as living organism.
Reason (R): Even though they cannot exist independently, they have very simple, cellular structure.
(1) Both A and R are true, and R is the correct explanation of A.
(2) Both A and R are true, but R is not the correct explanation of A.
(3) A is true, but R is false.
(4) Both A and R are false.
✅ (4) Both A and R are false.
76: The group of organisms which are considered as oxygen evolvers:
(1) Chemoautotrophs
(2) Chemoheterotrophs
(3) Chemolithotrophs
(4) Photoautotrophs
✅ (4) Photoautotrophs
77: Prions are
(1) A single stranded DNA
(2) A single double stranded DNA
(3) Histone and RNA
(4) An infectious protein
✅ (4) An infectious protein