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Biological Classification Viruses, Viroids, Prions And Kingdome Monera MCQ
Quiz 3
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Q.1
One of the following is not eukaryotic … . [ Kerala 2003]
0%
a) Protista
0%
b) Monera
0%
c) Plantate
0%
d) All the above
Explanation
Answer : (d)
Q.2
Mycoplasmas are not sensitive to … ..[MPPMT200 ]
0%
a) Penicillin
0%
b) Streptomycin
0%
c) Erythromycin
0%
d) Neomycin
Explanation
Answer : (a)
Q.3
Which vitamin is synthesized by bacteria in human gut? … [ JIPMER 2000]
0%
a) A
0%
b) C
0%
c) D
0%
d) E
Explanation
Answer : (d)
Q.4
Viroid causes … .. [ MPPMT 2007]
0%
a) Cauliflower mosaic
0%
b) Potato spindle mosaic
0%
c) Tobacco mosaic
0%
d) Tulip yellow mosaic
Explanation
Answer : (b)
Q.5
Rod-shaped bacteria are called …. [ HPPMT 2001]
0%
a) Coccus
0%
b) Spirillum
0%
c) Bacillus
0%
d) Actinomyces
Explanation
Answer : (c)
Q.6
In photosynthetic bacteria, the pigments occur in … .. [ CBSE 1999 ]
0%
a) Chloroplasts
0%
b) Chromoplasts
0%
c) Chromatophores
0%
d) Leucoplasts
Explanation
Answer : (c)
Q.7
Bovine spongiform encephalopathy is a disease caused by prions in … .. [ KCET 2010]
0%
a) Cow
0%
b) Sheep
0%
c) Potato
0%
d) Man
Explanation
Answer : (a)
Q.8
Bovine spongiform encephalopathy is a disease caused by prions in … . [ BHU 1994 ]
0%
a) man
0%
b) potato
0%
c) cow
0%
d) sheep
Explanation
Bovine spongiform encephalopathy (BSE), commonly known as mad cow disease, is an incurable and invariably fatal neurodegenerative disease of cattle. BSE is an infectious disease believed to be due to a misfolded protein, known as a prion. Cattle are believed to have been infected from being fed meat and bone meal (MBM) that contained the remains of other cattle who spontaneously developed the disease or scrapie-infected sheep products. Answer : (c)
Q.9
The most primitive of monerans are … [ Pb PMT 1999]
0%
a) Rickettsia
0%
b) Actinomycetes
0%
c) Progenote
0%
d) Archaebacteria
Explanation
Answer : (d)
Q.10
Photosynthetic pigments of bacteria are located in …
0%
a) Cytoplasm
0%
b) Thylakoid membranes
0%
c) Ribosomes
0%
d) Chloroplast membrane
Explanation
thylakoid membrane compartments found in cyanobacteria Photosynthetic prokaryotes, which lack membrane-bound organelles, have thylakoid membranes. The prokaryote cytoplasm serves as stroma. The thylakoid membrane is the site of the light-dependent reactions of photosynthesis with the photosynthetic pigments embedded directly in the membrane. Answer : (b)
Q.11
Example of prokaryotic cell is … [ Bih PMT 1996]
0%
a) Green algae
0%
b) Fungi
0%
c) Bacteria
0%
d) Bryophyte
Explanation
Answer : (c)
Q.12
Bt gene occurs in … [ Wardha 200]
0%
a) Bacillus thuringiensis
0%
b) Escherichia coli
0%
c) Agrobacterium tumefaciens
0%
d) Rhizobium leguminosarum
Explanation
Answer : (a)
Q.13
Which one does not occur in lytic life cycle of virulent DNA phage? … [ Odisha 2008]
0%
a) The host cell lyses
0%
b) New phages are released
0%
c) Host cell produces a number of virions
0%
d) Phage DNA integrates with host DNA
Explanation
Answer : (c)
Q.14
A parasite which becomes saprophytic in the absence of host is called … [ RPMT 1998]
0%
a) Obligate parasite
0%
b) Facultative parasite
0%
c) Obligate saprophyte
0%
d) Facultative saprophyte
Explanation
Answer : (d)
Q.15
Osmotrophs are … .. [ BHU 1992]
0%
a) Bacteria
0%
b) Fungi
0%
c) Both a and b
0%
d) Algae
Explanation
Answer : (c)
Q.16
Cyanobacteria are … [ CPMT 2003]
0%
a) Bacteria using cyanide for nutrition
0%
b) Coloured fungi
0%
c) Algae having blue-green cells
0%
d) Viruses affecting bacterial growth
Explanation
Answer : (c)
Q.17
AIDS virus contains … .. [ MPPMT 2009]
0%
a) RNA with protein
0%
b) DNA only
0%
c) DNA with protein
0%
d) DNA without protein
Explanation
Answer : (a)
Q.18
One of the following is not characteristic feature of cyanobacteria
0%
a) They form colonies
0%
b) They are multicellular
0%
c) They form blooms in water bodies
0%
d) They can fix atmospheric nitrogen
Explanation
Answer : (b)
Q.19
Murein of bacterial cell wall is derivative of …. [ CPMT 1998]
0%
a) Protein
0%
b) Fat and sugar
0%
c) Organic acid and sugar
0%
d) Sugar and amino acids
Explanation
Peptidoglycan is a polymer of amino acids (hence the peptido-) and sugars (hence the –glycan) that makes up the cell wall of all bacteria. Answer : (d)
Q.20
Which one is nitrogen fixer blue green alga? ..
0%
a) Ulothrix
0%
b) Anabaena
0%
c) Ulva
0%
d) Hydrodictyon
Explanation
Answer : (b)
Q.21
Which one protect bacteria from enzymes present in the external medium? [ EAMCET 2005]
0%
a) Slime layer
0%
b) S-layer
0%
c) Flagella
0%
d) Cell wall
Explanation
Answer : (b)
Q.22
Bacterium associated with legume roots is … .. [ Pb PMT 1999]
0%
a) Rizobium
0%
b) Nostoc
0%
c) Spirogyra
0%
d) Clostridium
Explanation
Answer : (a)
Q.23
Identify the correct sequence of event in viral replication: I) Eclipse II) Maturation III) Adsorption IV) Assembly V) Penetration VI) Lysis
0%
a) I → II → III → IV → V → VI
0%
b) II → I → III → IV → V → VI
0%
c) III → V → I → II →I V → VI
0%
d) III → V → I → IV → II → VI
Explanation
The correct sequence of events in the viral replication process is Adsorption(III) → Penetration(V) → Eclipse(I) →Maturation(II) → Assembly (IV) → lysis(VI) Answer : (c)
Q.24
Bacteria can prepare food from … [ Har.PMT 2002]
0%
a) NO3
0%
b) N2
0%
c) O2
0%
d) Glycogen
Explanation
Answer : (d)
Q.25
A non-photosynthetic aerobic nitrogen fixing soil bacterium in … .. [ BHU 1996]
0%
a) Rhizobium
0%
b) Clostridium
0%
c) Azotobacter
0%
d) Klebsiella
Explanation
Answer : (c)
Q.26
Yield of rice is increased by …[ BHU 2008]
0%
a) Clostridium
0%
b) Anabaena
0%
c) Azolla
0%
d) Nostoc
Explanation
Answer : (c)
Q.27
The agent which are known to cause CJD are … ..
0%
a) Protein particles
0%
b) A class of bacteria
0%
c) A class of viruses
0%
d) Fungi
Explanation
Answer : (a)
Q.28
Polio Virus has … .. [ AFMC 1999]
0%
a) ss DNA
0%
b) ds DNA
0%
c) ss RNA
0%
d) ds RNS
Explanation
Answer : (c)
Q.29
Prokaryotic algae are … …. [ RPMT 2000]
0%
a) Phycomyces
0%
b) Myxophyceae
0%
c) Cyanobacteria
0%
d) Both B and C
Explanation
Answer : (d)
Q.30
Which gene cluster is responsible for nitrogen fixation in bacteria? ..
0%
a) Nod, Nif, Nfx
0%
b) Nod, Nif, Fix
0%
c) Nod, NDf, Nfx
0%
d) Ndx, Nif, Fix
Explanation
Answer : (b)
Q.31
In which of the following will you look for Escherichia coli … .. [ AFMC 2001]
0%
a) Water
0%
b) Soil
0%
c) Milk
0%
d) Human intestine
Explanation
Answer : (d)
Q.32
Match items of column I with those of column II and choose the correct combinations
Column I
Column II
a) Pneumonia
p. Vibrio comma
b) Citrus Canker
q. Mycobacterium leprae
c) Cholera
r. Yersinia pestis
d) Leprosy
s. Xanthomonas citri
- -
t. Diplococcus pneumoniae
0%
a) a-t, b – s, c-p, d-q
0%
b) a-t, b – q, c-s, d-q
0%
c) a-t, b – s, c-q, d-p
0%
d) a-t, b –qs, c-p, d-s
Explanation
Answer : (a)
Q.33
What is true about archaebacteria … [ CBSE 2001]
0%
a) All photosynthetic
0%
b) All fossils
0%
c) All halophiles
0%
d) Oldest living beings
Explanation
Answer : (d)
Q.34
Cyanobacterium of great nutritional value is … ..[kerala 2002]
0%
a) Gloeocapsa
0%
b) Scytonema
0%
c) Stigonema
0%
d) Spirulina
Explanation
Answer : (d)
Q.35
match the columns and choose the correct combination …
a) Escherichia coli
i)Nif gene
b)Rhizobium meliloti
ii)Digest hydrocarbons of crude oil
c)Bacillus thuringiensis
iii)Human insulin production
d)Pseudomonas putida
iv)Biocontrol of fungal disease;
- -
v)Biodegradable insecticide
0%
a) a – iii, b – i, c-v, d-iv
0%
b) a – i, b – ii, c-iii, d-iv
0%
c) a – ii, b – i, c-iii, d-iv
0%
d) a – ii, b – i, c-iii, d-iv
Explanation
Answer : (a)
Q.36
Outer limiting layer of Mycoplasma is formed of … .. [ Odisha 2002]
0%
a) Slime
0%
b) Mucilage
0%
c) Cell wall
0%
d) Cell membrane
Explanation
Answer : (d)
Q.37
Inner wall of Gram(-) bacteria is formed of …. [ RPMT 2000]
0%
a) Lipoprotein
0%
b) Mucopeptide
0%
c) Chromoprotein
0%
d) Glycoprotein
Explanation
Answer : (d)
Q.38
Mitotic apparatus is absent in …. [ MPPMT 2000]
0%
a) Green algae
0%
b) Fungi
0%
c) Bacteria
0%
d) Higher plants
Explanation
Answer : (c)
Q.39
Which one occurs in cell wall of Gram(+) bacteria only? [JKCMEE2008]
0%
a) Peptidoglycan
0%
b) Lipopolysaccharide
0%
c) Teichoic acid
0%
d) None of the above
Explanation
Answer : (c)
Q.40
Number of endospores usually produced by one bacterial cell is …. [ Odisha 2002]
0%
a) Numerous
0%
b) Three to four
0%
c) Two
0%
d) One
Explanation
Answer : (d)
Q.41
Antibiotic are … [ kerala 2002]
0%
a) Drugs to kill virus
0%
b) Toxins produced by bacteria
0%
c) Products of bacterial metabolism
0%
d) Both b and c
Explanation
Answer : (d)
Q.42
Peritrichous bacteria have flagella … [ CPMT 1999]
0%
a) All over the body
0%
b) At one end
0%
c) At both ends
0%
d) None
Explanation
Answer : (a)
Q.43
Antibiotic active against fungi are …[ Odisha2008]
0%
a) Neomycin
0%
b) Terramycin
0%
c) Polyenes
0%
d) Streptomycin
Explanation
Answer : (c)
Q.44
Xanthomonas citri is related to … [ MPPMT 2002]
0%
a) Disease in Xanthium
0%
b) Xanthophyceae
0%
c) A virus
0%
d) Citrus canker
Explanation
Answer : (d)
Q.45
Bacterial plasmid contains … .. [ BHU 1997]
0%
a) RNA
0%
b) RNA + Protein
0%
c) DNA
0%
d) Photosynthetic structures.
Explanation
Answer : (c)
Q.46
Ray fungi are … .. [ BHU 1995]
0%
a) Phycomycetes
0%
b) Ascomycetes
0%
c) Actinomycetes
0%
d) Basidiomycetes
Explanation
Answer : (c)
Q.47
What is false? [ DPMT 2009]
0%
a) TMV has double stranded RNA molecule
0%
b) Most plant viruses are RNA viruses
0%
c) Bacteriophage has a double stranded DNA molecule
0%
d) Most animal viruses are DNA viruses
Explanation
Answer : (a)
Q.48
Which viral disease is spread by mosquito … [ DPMT 2003]
0%
a) Plague
0%
b) Typhus
0%
c) Yellow fever
0%
d) Elephantiasis
Explanation
Answer : (c)
Q.49
Bacterial flagella are formed of .. .. [ AFMC 2004]
0%
a) Amines
0%
b) Proteins
0%
c) Lipids
0%
d) Carbohydrates
Explanation
Answer : (b)
Q.50
Mycoplasma causes a disease …[ MPPMT 2001]
0%
a) Tobacco wilt
0%
b) Citrus canker
0%
c) Apple fireblight
0%
d) Little leaf disease
Explanation
Answer : (d)
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