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Biological Classification Viruses, Viroids, Prions And Kingdome Monera MCQ
Quiz 8
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Q.1
One of the free living anaerobic nitrogen fixer is ( C.B.S.E. 2010)
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a) Rhodospirillum
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b) Rhizobium
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c) Azotobacter
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d) Beijerinckia
Explanation
Answer : (a)
Q.2
Gram stain represents … [CPMT 1991]
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a) A technique for staining bacteria and developed by Gram
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b) A stain got from Gram
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c) A cytochemical technique for differentiation of mitochondria
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d) A trade name
Explanation
Answer : (a)
Q.3
Which statement is wrong about viruses … [ CBSE 2012]
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a) All are parasites
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b) All of them have helical symmetry
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c) They have the ability to synthesize nucleic acids and proteins
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d) Antibiotics have no effect on them
Explanation
Answer : (b)
Q.4
Two kingdoms figuring in all biological classification are … … [ JKCMEE 2008]
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a) Protista and Planate
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b) Protista and Animalia
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c) Monera and Animalia
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d) Plantae and Animalia
Explanation
Answer : (d)
Q.5
Transfer of DNA from one bacterium to another through cell contact is … [ kerala 2002]
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a) a) transformation
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b) Transduction
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c) c) Conjugation
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d) Transcription
Explanation
Answer : (c)
Q.6
Which of the following is correct about legumes? …. [ AFMC 1999]
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a) They are incapable of fixing nitrogen
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b) They fix nitrogen with the help of bacteria that live in their leaves
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c) They fix nitrogen with the help of bacteria that live in their roots
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d) They fix nitrogen independent of bacteria
Explanation
Answer : (c)
Q.7
Viruses are … .. [ KCET 1998]
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a) Obligate parasites
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b) Obligate saprophytes
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c) Partial parasites
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d) Facultative parasites
Explanation
Answer : (a)
Q.8
In Whittaker’s classification, non-nucleated unicellular organism/ prokaryotes are included under … [ BHU 1997]
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a) Plantae
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b) Monera
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c) Protista
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d) Animalia
Explanation
Answer : (b)
Q.9
A few organisms are known to multiply at 10° – 108°C. They are probably .. .. [ CBSE 1998]
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a) Thermophilic sulphur bacteria
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b) Thermophilic subaerial fungi
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c) Hot spring blue-green algae
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d) Marine archaebacteria
Explanation
Answer : (c)
Q.10
Grown gall disease of plants is caused by ….. [ BHU 2005]
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a) Ti-plasmid
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b) Pi-plasmid
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c) Virus
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d) Protozoan
Explanation
Answer : (a)
Q.11
The common nitrogen fixer in paddy field is ( C.B.S.E 2010)
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a) Azospirillum
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b) Oscillatoria
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c) Frankia
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d) Rhizobium
Explanation
Answer : (a)
Q.12
Bacterial size is ....
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a) 2 – 10 µm
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b) 10 – 15 µm
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c) 100 -200 µm
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d) 15 -50 µm
Explanation
Answer : (a)
Q.13
When a bacterial cell possesses a flagellum on its anterior and posterior sides, the condition is called …
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a) Peritrichous
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b) Lophotrichous
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c) Amphitrichous
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d) Monotrichous
Explanation
Answer : (c)
Q.14
A phylum common to unicellular animals and plants is … .. [ DPMT 2009]
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a) Monera
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b) Plantae
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c) Fungi
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d) Protista
Explanation
Answer : (d)
Q.15
Golgi apparatus does not occur in … [ BHU 2008]
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a) yeast
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b) Liver cells
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c) Higher plants
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d) Bacteria and blue green algae
Explanation
Answer : (d)
Q.16
Which is excluded from Whittaker’s five kingdom classification
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a) Algae
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b) Fungi
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c) Bacteria
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d) Viruses
Explanation
Answer : (d)
Q.17
Bacteriophage is … [ JKCMEE 2004]
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a) Virus attacking bacteria
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b) Virus attacking virus
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c) Bacterium attacking virus
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d) Stage in bacterial life cycle
Explanation
Answer : (a)
Q.18
Bacteriophage is … .. [ HPPMT 1995 ]
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a) Mycoplasma
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b) Virus
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c) Rickettsia
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d) Spirochaete
Explanation
Answer : (b)
Q.19
In Whittaker’s five kingdom classification, eukaryotes are assigned to … .. [ BHU 1994]
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a) All the five kingdoms
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b) Only four kingdoms
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c) Only three kingdoms
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d) Only two kingdoms
Explanation
Answer : (b)
Q.20
Tobacco mosaic virus/ virus was crystallized for the first time by .. .. [ AMU 1998 ]
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a) Edward Jenner
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b) Louis Pasteur
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c) Andre Lwoff
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d) W.N. Staley
Explanation
Answer : (d)
Q.21
The infectious and contagious bacterial disease that affects cattle, buffaloes, horses, sheep and goats is … [ JKCMEE 2010]
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a)Anthrax
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b) Necrosis
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c) Tick fever
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d) Rinderpest
Explanation
Answer : (a)
Q.22
Name the organisms which do not derive energy directly or indirectly from sun … .. [ CBSE 1991]
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a) Chemosynthetic bacteria
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b) Pathogenic bacteria
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c) Symbiotic bacteria
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d) Mould
Explanation
Answer : (a)
Q.23
Cyanobacteria are useful biofertilizers in fields of … [ Manipur 2006]
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a) Wheat
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b) Maize
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c) Rice
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d) Sugarcane
Explanation
Answer : (c)
Q.24
In some viruses, RNA is present instead of DNA indicating that … .. [ CBSE 1995 ]
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a) Their nucleic acid must combine with host DNA before replication
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b) They cannot replicate
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c) There is no hereditary information
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d) RNA can act to transfer heredity
Explanation
Answer : (d)
Q.25
Bacteria connected with acetogenesis is … [ MHTCET 2007]
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a) Streptomonas
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b) Clostridium
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c) Bacillus
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d) Citromonas
Explanation
Answer : (b)
Q.26
Transformation experiments were first performed over bacterium … . [ CBSE 2002]
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a) Escherichia coli
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b) Salmonella typhimurium
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c) Diplococcus pneumoniae
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d) Pasteurella pestis
Explanation
Answer : (c)
Q.27
Virus attacking blue-green algae is known as … .. [ Odisha 1995]
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a) Cyanophage
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b) Coliphage
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c) Bacteriophage
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d) Zoophage
Explanation
Answer : (a)
Q.28
T-bacteriophages possess … .. [ JIPMER 1996]
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a) Round shape
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b) Tadpole shape
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c) Irregular shape
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d) Rhomboid shape
Explanation
Answer : (b)
Q.29
Four kingdome classification was proposed by …… [ BHU 1994]
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a) Whittaker
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b) Copeland
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c) Haeckel
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d) Linnaeus
Explanation
Answer : (b)
Q.30
Halophilic archaebacterium ( Halobacterium salinarum ) found in Great Salt Lake and Dead Sea cannot live in … . [ Pb PMT 2005]
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a) Less than 3M NaCl concentration
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b) Less than 5M NaCl concentration
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c) More than 5 M NaCl concentration
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d) More than 3M NaCl concentration
Explanation
Answer : (a)
Q.31
Biofertiliser for Soya Bean crop is … [ CBSE 2011]
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a) Rhizobium
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b) Nostoc
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c) Azotobacter
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d) Azospirillum
Explanation
Answer : (a)
Q.32
In bacteria, sex is determined by presence of … .. [ RPMT 1991]
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a) Pili
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b) Episome
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c) Mesosome
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d) Flagella
Explanation
Answer : (a)
Q.33
Amphitrichous flagellation has … [ Odisha 2007]
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a) Flagella absent
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b) Flagella at one end
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c) Flagella at both the ends
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d) Flagella all around
Explanation
Answer : (c)
Q.34
Which one does not have eukaryotic organization? [ KCET 2005]
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a) Green algae
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b) Blue green algae
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c) Red algae
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d) Golden brown algae
Explanation
Answer : (b)
Q.35
Tailed bacteriophage is … .. [ CBSE 1995]
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a) Non-motile
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b) Actively motile in water
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c) Motile on bacterial surface
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d) Motile on surface of plant leaves
Explanation
Answer : (d)
Q.36
A plasmid .. [ Har PMT 2007]
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a) Cannot replicate
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b) Shows independent assortment
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c) Lies along with chromosome
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d) Can replicate independently
Explanation
Answer : (d)
Q.37
Protein cover of virus is … [ AFMC 2005]
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a) Capsid
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b) Virion
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c) Viroid
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d) Bacterial wall
Explanation
Answer : (a)
Q.38
Common genetic material of bacteriophage is …[ Bih PMT 1996]
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a) RNA
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b) DNA
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c) RNA and DNA
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d) DNA and mRNA
Explanation
Answer : (b)
Q.39
In Whittaker’s five kingdom classification, unicellular eucryotes primarily aquatic and having various cell organelles constitute … [ CET Chd.1997]
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a) Monera
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b) Protista
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c) Animalia
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d) Plantae
Explanation
Answer : (b)
Q.40
Assertion: Escherichia coli, Shigella sp. And Salmonella sp. Are all responsible for diarrhoeal diseases. Reason : Dehydration is common to all types of diarrhoeal diseases and adequate supply of fluids and electrolytes should be ensured … [ AIIMS 2006]
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a) If both the assertion and reason are true and reason explains the assertion.
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b) If both the assertion and reason are true but reason does not explain the assertion
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c) If assertion is true but reason is false
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d) If assertion is false but reason is true.
Explanation
Answer : (a)
Q.41
An organism with non-cellulosic cell wall and autotrophic nutrition would belong to … [ BHU 2012]
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a) Monera
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b) Protista
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c) Animalia
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d) Fungi
Explanation
Answer : (a)
Q.42
Which one is not true of bacterial cell wall?
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a) Not antigenic
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b) Provides shape to bacterium
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c) Not stainable with simple dyes
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d) Made of mucopeptide
Explanation
Answer : (a)
Q.43
It causes abortion …
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a) Viruses
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b)Bacteria
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c) Mycoplasma
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d) Chlamydia
Explanation
Answer : (c)
Q.44
Genetic material of influenza virus is … [ CBSE 1996]
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a) Single helix DNA
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b) Double helix DNA
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c) Double strand RNA
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d) Single strand RNA
Explanation
Answer : (d)
Q.45
A bacterium becomes resistant to antibiotic except by … [ Odisha 2003]
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a) Making enzyme for drug degradation
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b) Developing impermeability to drug
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c) Modification of drug
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d) Moving away from drug
Explanation
Answer : (d)
Q.46
Transduction was discovered in bacteria by … [ BHU 2008]
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a) Lederberg and Tatum
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b) Zinder and Lederberg
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c) Wallace and Jacob
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d) Herelle and Twort
Explanation
Answer : (b)
Q.47
T2 has … .. [ AFMC 1997]
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a) ds DNS
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b) ss RNA
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c) ds RNA
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d) ss DNA
Explanation
Answer : (a)
Q.48
Helical contractile sheath occurs in … .. [ AMU 1997]
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a) Bacteria
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b) Bacteriophage
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c) Riboviruses
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d) Fungi
Explanation
Answer : (b)
Q.49
A non-legume, symbiotic nitrogen fixing bacterium is … [ BHU 2000]
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a) Rhizobium
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b) Azotobacter
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c) Frankia
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d) Clostridium
Explanation
Answer : (c)
Q.50
F-factor occurs in …. [ Odisha 2006]
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a) Plasmid
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b) Cosmid
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c) Golgi body
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d) Cell wall
Explanation
Answer : (a)
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