Biological Classification MCQs | Biological Classification Multiple Choice Questions (MCQs) and Answers

(1) African sleeping sickness is caused by
[A] Leishmania
[B] Giardia intestinalis
[C] Trypanosoma
[D] Entamoeba
Answer: Trypanosoma
(2) Extra chromosomal,circular ,double stranded ,self replicating DNA molecule in bacteria is called
[A] Cosmid
[B] Plasmid
[C] Phasmid
[D] Phagemid
Answer: Plasmid
(3) Membranous infolding in bacteria that initiate DNA replication is
[A] Mesosomes
[B] Carboxysome
[C] Magnetosome
[D] Nucleosome
Answer: Mesosomes
(4) Example of blue green algae is in
[A] Plantae
[B] Protistae
[C] Monera
[D] Fungi
Answer: Protistae
(5) TMV virus was discovered by
[A] Pasteur
[B] S L Miller
[C] Ivanowsky
[D] W M Stanley
Answer: Ivanowsky
(6) The study of algae is called
[A] Mycology
[B] Algology
[C] Taxonomy
[D] Lichenology
Answer: Algology
(7) On the basis of structural form lichen are..
[A] Crustose
[B] Foliose
[C] Fruticose
[D] All of three
Answer: All of three
(8) Fruiting body is characteristic of…
[A] Algae
[B] Lichens
[C] Bryophyta
[D] Pteridophyta
Answer: Lichens
(9) Microsporophyll :stamen then Megasporophyll:……………
[A] Ovule
[B] Anther
[C] Gynoecium
[D] Pollen grains
Answer: Gynoecium
(10) Which of the fossil member?
[A] pinus
[B] thuja
[C] cycas
[D] bennettites
Answer: bennettites
(11) The biggest and dominant group is……
[A] angiosperms
[B] gymnosperms
[C] pteridophytes
[D] Bryophytes
Answer: angiosperms
(12) Pre-fertilized endosperms is characterstics of ……
[A] bryophytes
[B] gymnosperms
[C] angiosperms
[D] pteridophyte
Answer: gymnosperms
(13) Class dicotyledon is divided into….
[A] 7 sub-classes
[B] 5 sub-classes
[C] 3 sub-classes
[D] 2 sub- classes
Answer: 2 sub- classes
(14) Who classified angiosperms into two classes,…
[A] theoprattus
[B] bentham and hooker
[C] Aristotle
[D] Linnaeus
Answer: bentham and hooker
(15) Presence of rigid cell wall is characterized by kingdom…
[A] Protista
[B] plantae
[C] monera
[D] Animalia
Answer: monera
(16) The tallest living tree of angiosperm is …
[A] wolffia sp.
[B] Zamia sp.
[C] Eucalyptus sp.
[D] sequoia sp.
Answer: sequoia sp.
(17) If the seeds are formed from the megasporophylls and not enclosed in a fruits the plant belongs to
[A] bryophytes
[B] pteridophyte
[C] angiosperm
[D] gymnosperm
Answer: gymnosperm
(18) Embryo is not formed in …
[A] algae
[B] Bryophytes
[C] gymnosperm
[D] pteridophytes
Answer: algae
(19) Which classification system had been given whittaker ?
[A] 3 domain classification
[B] binomial classication
[C] 5 kingdom classification
[D] artificial classification
Answer: 5 kingdom classification
(20) A: lichen shows symbiotic relationship between algae and fungi
R: algae absorb water and mineral nutrients from environment and provide to fungi
[A] both A and R true and R is the correct explanation of A
[B] both A and R true but R is not correct explanation A
[C] A is true but R is false
[D] A is false and R is true
Answer: A is true but R is false

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