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Biological Classification NEET Biology
1. Genetic material without nuclear membrane is found in
A. Bacteria and Mycoplasma
B. Cyanobacteria and bacteria
C. Archaebacteria and blue green algae
D. All of the above
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2. Chief ‘producers’ in the oceans are
A. Chrysophytes
B. Euglenoids
C. Desmids
D. Diatoms
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3. Most of them have two flagella; one lies longitudinally and the other
transversely in a furrow between the wall plates. Here we are talking
about
A. Euglenoids
B. Paramoecium
C. Gonyaulax
D. Golden brown algae
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Biological Classification NEET Biology
4. Considering two kingdom classification system, the organisms that
are included in kingdom Plantae are
A. Volvox, Amoeba and Paramecium
B. Cyanobacteria, algae and fungi
C. Amoeba, bacteria and fungi
D. Fungi, bacteria and algae
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5. According to two kingdom classification, the kingdom Plantae consists
of
A. Autotrophs
B. Heterotrophs
C. Mesotrophs
D. Chemotrophs
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6. Which one is the most abundant microorganism?
A. Bacteria
B. Protozoan
C. Viruses
D. Protists
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7. Bacteria occur
A. In water only
B. In soil only
C. As parasite
D. Everywhere
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Biological Classification NEET Biology
8. Based upon the shape bacteria are grouped under how many
categories?
A. 2
B. 3
C. 4
D. 5
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Biological Classification NEET Biology
9. Statement I: Mycoplasma are the smallest living cells known.
Statement II: Mycoplasma are bacteria with cell wall. [2022]
A. Statement I is incorrect but II are correct
B. Both statement are correct
C. Both statement are incorrect
D. Statement I is correct but II is incorrect
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Biological Classification NEET Biology
10. Match the following:
a. A-Q B-S C-R D-P Column I Column II
b. A-P B-S C-Q D-R A. Euglenoids P. Photosynthetic
c. A-S B-Q C-R D-P B. Slime moulds Q. Both photosynthetic &
d. A-P B-R C-S D-Q heterotrophic
C. Protozoans R. Heterotrophs
D. Desmids S. Saprophytic
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11. How many major groups protozoan have?
A. 3
B. 4
C. 2
D. 8
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Biological Classification NEET Biology
12. Which of the following are protozoans?
A. Diatoms, flagellates, ciliates
B. Desmids, flagellates, ciliates
C. Amoeboid, flagellates, cilliates, sporozoans
D. Amoeba, Paramecium, dinoflagellates, Plasmodium
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Biological Classification NEET Biology
13. Which of the following statements is correct –
I. Mycoplasma has no cell wall
II. Mycoplasma is the smallest living organism
III. Mycoplasma cannot survive without O2
IV. Mycoplasma are pathogenic in animals & plants
V. All bacteria are photosynthetic in nature
VI. A sort of sexual reproduction by adopting a primitive DNA transfer
from one bacterium to the other occurs
A. All
B. Only III
C. I,II,IV,V,VI
D. I,III,VI
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14. Protista includes-
A. Unicellular prokaryotes
B. Unicellular eukaryotes
C. Bacteriophages
D. B.G.A
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Biological Classification NEET Biology
15. Which of the following kingdoms has no well defined boundaries?
A. Monera
B. Protista
C. Fungi
D. Metaphyta and Metazoa
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16. Which of the following are edible ascomycetes delicacies?
A. Morels + Mushroom
B. Truffles + Toadstool
C. Morels + Truffles
D. Puffball + Mushroom
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17. Which of the following is used extensively in biochemical and
genetical work?
A. Agaricus
B. Alternaria
C. Neurospora
D. Mucor
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Biological Classification NEET Biology
18. Select the wrong statement [NEET 2016:PHASE II]
A. Diatoms are chief producers in the oceans
B. Diatoms are microscopic and float passively in water
C. The walls of diatoms are easily destructible
D. ‘Diatomaceous earth’ is formed by the cell walls of diatoms
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19. Members of Phycomycetes are found in
I. Aquatic habitats
II. On decaying wood
III. Moist and damp places
IV. As obligate parasites on plants
Choose from the following options.
A. None of the above
B. I & IV
C. II & III
D. All of the above
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20. Which of the following statements is incorrect?
A. Viruses are obligate parasites
B. Infective constituent in viruses in the protein coat
C. Prions consist of abnormally folded proteins
D. Viroids lack a protein coat
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21. Cyanobacteria are
A. Autotrophs
B. Heterotrophs
C. Saprotrophs
D. Parasites
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22. In lichen, fungus has
A. Symbiotic relationship with alga
B. Epiphytic relationship with alga
C. Saprophytic relationships with alga
D. Parasitic relationship with alga
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Biological Classification NEET Biology
23. There exists a close relationship between alga and fungus within a
lichen. The fungus
A. Provides protection, anchorage and absorption for the algae
B. Provides food for alga
C. Releases oxygen for the alga
D. Fixes the atmospheric nitrogen for the alga
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24. Match the columns and find the correct option [Kerala 2013]
a. A-I B-II C-III D-IV Column I Column II
b. A-II B-III C-IV D-I A. Puccinia I. Yeast
c. A-III B-IV C-I D-II B. Ustilago II. Mushroom
d. A-IV B-III C-II D-I C. Agaricus III. Smut fungus
D. Saccharomyces IV. Rust fungus
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25. Select incorrect statement w.r.t. eubacteria
A. Have very simple structure
B. Peptidoglycan nature of cell wall
C. Heterotrophs are most abundant in nature
D. Show most simple metabolic diversity
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26. Archaebacteria :
A. Live in some of the most harsh habitats
B. Are called True Bacteria
C. Have Branched chain lipids in cell wall
D. Have 80S type Ribosomes
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Biological Classification NEET Biology
27. Given below is the diagrams of a bacteriophage. In which one of the
options all the four parts A,B,C&D are correct?
a b c d
A. Tail fibres Head Sheath Collar
B. Sheath Collar Head Tail fibres
C. Head Sheath Collar Tail fibres
D. Collar Tail fibres Head Sheath
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Biological Classification NEET Biology
28. Given below is the diagram of a virus. In which one of the options
A,B&C are correct?
a b c
A. RNA Capsid Tobacco Mosaic
Virus
B. DNA Capsid Tobacco Mosaic
Virus
C. RNA Lipid Tobacco Mosaic
Virus
D. RNA Protein HIV
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29. Protein cover of virus is [CBSE 2010]
A. Capsid
B. Virion
C. Viroid
D. Bacterial wall
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30. Proteinaceous infectious particles causing diseases are [CBSE 2010]
A. Prions
B. Viroids
C. Viruses
D. Chlamydia
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31. Assertion: Methanogens are archaebacteria which produce methane
in marshy areas
Reason: Nostoc is a filamentous BGA which fixes atmospheric N2
A. If both Ass & Rs are true & Rs is correct explanation of Ass
B. If both Ass & Rs are true but Rs is not correct explanation of Ass
C. If Ass is true but Rs is false
D. If both Ass & Rs are false
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32. Assertion: Chemosynthetic autotrophic bacteria synthesize their food
Reason: Mycoplasma lack cell wall & can survive without oxygen
A. If both Assertion & Reason are true & Reason is correct explanation of
Assertion
B. If both Assertion & Reason are true but Rs is not correct explanation of
Assertion
C. If Assertion is true but Reason is false
D. If both Assertion & Reason are false
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33. Assertion: In Animalia the mode of nutrition is autotrophic
Reason: In Monera the nuclear membrane is present
A. If both Ass & Rs are true & Rs is correct explanation of Ass
B. If both Ass & Rs are true but Rs is not correct explanation of Ass
C. If Ass is true but Rs is false
D. If both Ass & Rs are false
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34. Match the following and choose the correct combination from the
options given.
a. A-I B-II C-III D-IV Column I Column II
b. A-II B-III C-IV D-I A. Saprophytic I. Trypanosoma
protists
c. A-IV B-III C-II D-I
d. A-II B-IV C-II D-I B. Golden algae II. Plasmodium
C. Malarial parasite III. Desmids
D. Sleeping sickness IV. Slime moulds
is caused by
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35. Which of the following statements is wrong about Archaebacteria?
A. They live in some of the most harsh habitats
B. They are recently evolved group
C. Cell wall is peptidoglycanless
D. Methanogens are Archaebacteria
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Biological Classification NEET Biology
36. Which of the following areas or conditions would be favoured by
thermoacidophiles?
A. The stomach of many herbivores
B. Hot, alkaline
C. Hot, sulphur springs
D. Deep sea valconic
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Biological Classification NEET Biology
37. Choose the incorrect statement about the given organism?
A. Two, unequal flagella are found
B. It dies, when deprived of sunlight
C. Member of kingdom Protista
D. Photosynthetic pigments are similar to those of higher plants
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38. Identify true statements about Archaebacteria
1. They can live in harsh habitats
2. Cell walls do not contain peptidoglycan
3. Cell membrane contains branched chain lipids
4. Some of them are capable of producing biogas
A. 1&2 ONLY
B. 1,2&3 ONLY
C. 2&3 ONLY
D. ALL OF THESE
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39. Which of the following statements about Mycoplasma is true?
A. They are smallest, disease causing thin walled organisms
B. They differ from viruses in being cellular in organization
C. Sensitive to several antibiotics as they have 80S ribosomes
D. They cannot survive without photosynthetic pigments and Oxygen
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40. Heterocystous cyanobacteria –
A. Only Nostoc
B. Only Anabaena
C. Both A&B
D. Vibrio
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Biological Classification NEET Biology
41. The group of organisms oxidising various inorganic substances such as
nitrates, nitrites and ammonia using the released energy for their ATP
production are-
A. Chemoheterotrophic bacteria
B. Chemosynthetic autotrophic bacteria
C. Photoautotrophic bacteria
D. Saprophytic bacteria
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42. Identify the blanks in the following figures –
a. A-cell wall B-cell membrane C-Heterocyst D-DNA E-Mucilagenous
sheath
b. A-cell wall B-cell membrane C-DNA D-Heterocyst E-Mucilagenous
sheath
c. A-Mucilagenous sheath B-cell membrane C-DNA D-Heterocyst E-cell
wall
d. A-cell membrane B-cell wall C-DNA D-Heterocyst E-Mucilagenous
sheath
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43. Match the following:
a. A-Q B-R C-S D-P
b. A-S B-Q C-R D-P
c. A-R B-P C-Q D-S
d. A-P B-R C-S D-Q
Column I Column II
A. Cilliated protozoan P. Entamoeba
B. Amoeboid protozoan Q. Plasmodium
C. Sporozoan R. Paramoecium
D. Flagellated protozoan S. Trypanosoma
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44. Which one of the following living organisms completely lacks a cell
wall? [2014]
A. Blue – green algae
B. Cyanobacteria
C. Sea – fan (Gorgonia)
D. Saccharomyces
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45. A location with luxuriant growth of lichens on the trees indicates that
the: [2014]
A. Location is not polluted
B. Trees are very healthy
C. Trees are heavily infested
D. Location is highly polluted
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46. Five kingdom system of classification suggested by R.H. Whittaker is
not based on [2014]
A. Complexity of body organisation
B. Presence or absence of a well defined nucleus and nucleous
C. Mode of reproduction
D. Mode of nutrition
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47. Mycorrhiza exhibits the phenomenon of: [1994]
A. Parasitism
B. Symbiosis
C. Antagonism
D. Endemism
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48. People recovering from long illness are often advised to take Spirulina
because it [AIIMS 2008]
A. Restores intestinal microflora
B. Makes food easily digestible
C. Has antibiotic properties
D. Is rich in proteins
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49. Difference between virus and viroid is
A. Absence of protein coat in viroid but present in virus
B. Presence of low molecular weight RNA in virus but absent in viroid
C. Both A&B
D. None of the above
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50. A dikaryon is formed when
A. Meiosis is arrested
B. The two haploid cells do not fuse immediately
C. Cytoplasm does not fuse
D. None of the above
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Biological Classification NEET Biology
Answers
1)D 13)C 29)A
14)B 30)A
2)D
15)B 31)B
3)C 16)C 32)B
4)D 17)C 33)D
18)C 34)C
5)A
19)D 35)B
6)A 20)B 36)C
7)D 21)A 37)B
8)C 22)A 38)D
23)A 39)B
9)D
24)D 40)C
10)A 25)D 41)B
11)B 26)A 42)B
27)C 43)C
12)C
28)A 44)C
45)A
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Answers
46)B
47)B
48)D
49)A
50)B
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