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Biological Classification Viruses, Viroids, Prions And Kingdome Monera MCQ
Quiz 5
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Q.1
In viruses, the nucleic acid is … .. [ MPPMY 1991 ]
0%
a) DNA
0%
b) RNA
0%
c) Both A or B
0%
d) Either A or B
Explanation
Answer : (d)
Q.2
Diphtheria is due to … [ AIIMS 2007]
0%
a) Poison released by living bacteria
0%
b) Poison released by dead bacteria
0%
c) Poison released by virus
0%
d) Excessive immune response
Explanation
Answer : (a)
Q.3
Bacteriophages kill … .. [ BHU 1993]
0%
a) Fungi
0%
b) All monerans
0%
c) Bacteria
0%
d) Viruses
Explanation
Answer : (c)
Q.4
Smallest organisms capable of growth, division and reproduction are… ..[ BHU 1997]
0%
a) Bacteria
0%
b) Viruses
0%
c) Mycoplasma
0%
d) Actinomycetes
Explanation
Answer : (c)
Q.5
Which of the following is false? [ CPMT 2005]
0%
a) Most plant viruses are RNA viruses
0%
b) Most animal viruses are DNA viruses
0%
c) TMV has a doubled stranded RNA
0%
d) T4 bacteriophage has double stranded DNA molecule
Explanation
Answer : (c)
Q.6
Nitrosomonas is a … .. [ MPPMT 1991]
0%
a) Photoautotroph
0%
b) Chemoautotroph
0%
c) Chemoheterotroph
0%
d) Photohetrotroph
Explanation
Answer : (b)
Q.7
Whittaker proposed 5-kingdome classification in …. .. [ AMU 2001]
0%
a) 1969
0%
b) 1959
0%
c) 1978
0%
d) 1988
Explanation
Answer : (a)
Q.8
A bacterium is capable of withstanding extreme heat, dryness and toxic chemicals. This indicates that it is probably able to form … [ KCET 2009]
0%
a) A thick peptidoglycan wall
0%
b) Endospores
0%
c) Endotoxins
0%
d) Endogenous buds
Explanation
Answer : (b)
Q.9
Monerans devoid of cell wall are … [ CPMT 2000]
0%
a) Bacteria
0%
b) Cyanobacteria
0%
c) Mycoplasma
0%
d) Actinomycetes
Explanation
Answer : (c)
Q.10
Smallest bacterium is ….. [ CPMT 2002]
0%
a) Dialister
0%
b) Nitrosomonas
0%
c) Bacillus
0%
d) Spirillum
Explanation
Answer : (a)
Q.11
Gram negative bacteria detect and respond to chemicals by … [ kerala 2003]
0%
a) Muramic acid
0%
b) Lipopolysaccharide
0%
c) Porins
0%
d) Volutin granules
Explanation
Answer : (b)
Q.12
Bacterial protoplasm is granular due to .. .. [ BHU 1997]
0%
a) Golgisomes
0%
b) Lysosomes
0%
c) Ribosomes
0%
d) Endoplasmic reticulum
Explanation
Answer : (c)
Q.13
Which institute is correctly matched with its location … .. [ AIIMS 2008]
0%
a) National institute of communicable diseases → Lucknow
0%
b) National Institute of Virology → Pune
0%
c) National institute of Nutrition → Mumbai
0%
d) Central Drug Research institute → Kasauli
Explanation
National Institute of Communicable Diseases (NICD), New Delhi, National Institute of Nutrition (NIN) is an Indian Public health, Biotechnology and Translational research center located in Hyderabad, India. National institute of Nutrition Mumbai The Central Drug Research Institute is a multidisciplinary research laboratory in Lucknow Answer : (c)
Q.14
Plasmid is … [ Odisha 2003]
0%
a) Single stranded DNA
0%
b) Double stranded circular DNA
0%
c) Extrachromosomal linear DNA
0%
d) RNA
Explanation
Answer : (b)
Q.15
Iron bacterium is … .. [ MPPMT1999]
0%
a) Beggiatoa
0%
b) Geobacillus
0%
c) Thiobacillus
0%
d) None of the above
Explanation
Answer : (c)
Q.16
Trachoma is caused by .. .. [ CET Chd 2003]
0%
a) Spirochaete
0%
b) Chlamydia
0%
c) Trichonympha
0%
d) Paramaecium
Explanation
Answer : (b)
Q.17
Phylogenetic system of classification was proposed by … .. [ BHU 91]
0%
a) Hutchinson/ Engler and Prantl
0%
b) Bentham and Hooker
0%
c) Linnaeus
0%
d) Santapau
Explanation
Answer : (a)
Q.18
Plasmids are extrachromosomal genetic materials of … [ CPMT 2009]
0%
a) Virus
0%
b) Bacteria
0%
c) Algae
0%
d) Amoeba
Explanation
Answer : (b)
Q.19
Bacteria are examples of .. [ Odisha 2009]
0%
a) Protistan cell
0%
b) Eukaryotic cell
0%
c) Animal cells
0%
d) Prokaryotic cells
Explanation
Answer : (d)
Q.20
Xanthomonas citri contains …
0%
a) Single polar flagellum
0%
b) Bipolar flagella
0%
c) Tuft of flagella
0%
d) No flagella
Explanation
Answer : (a)
Q.21
cDNA is … .. [ Odisha 2003]
0%
a) Circular DNA
0%
b) Coiled DNA
0%
c) Cytoplasmic DNA
0%
d) Complementary DNA
Explanation
Answer : (d)
Q.22
Bacteria have cell membrane made of …[ PbPMT2000]
0%
a) Chitin
0%
b) Cellulose
0%
c) Proteins and phospholipids
0%
d) Fats
Explanation
Answer : (c)
Q.23
Streptococcus is used in preparation of … [ DPMT 2003]
0%
a) Wine
0%
b) Idli
0%
c) Cheese
0%
d) Bread
Explanation
Answer : (c)
Q.24
Harmful substances released by bacteria are … [ AFMC 2003]
0%
a) Antibiotic
0%
b) Toxins
0%
c) Antigens
0%
d) Allergens
Explanation
Answer : (b)
Q.25
Largest known virus is … .. [ JIPMER 1998]
0%
a) TMV
0%
b) T1 phage
0%
c) Citrus tristeza
0%
d) Φ ×174
Explanation
Answer : (c)
Q.26
Which is not correct about antibiotics? … [ CBSE 1996]
0%
a) Fleming discovered the first commercial antibiotic
0%
b) Waksman coined the term antibiotic in 1942
0%
c) Allergy may develop against an antibiotic
0%
d) An antibiotic is effective against one specific pathogen
Explanation
Answer : (d)
Q.27
The scientist who created the group Protista for both unicellular plants and animals is … .. [ AIIMS 1993]
0%
a) Haeckel
0%
b) Pasteur
0%
c) Lister
0%
d) Koch
Explanation
Answer : (a)
Q.28
Which one is bacterial disease? [ Pb PMT 1997]
0%
a) Rust of Tea
0%
b) Red rot of Sugarcane
0%
c) Citrus canker
0%
d) Late blight of Potato
Explanation
Answer : (c)
Q.29
Gram (-)ve bacteria possess peptidoglycan and an extra layer of …. [AIIMS 2001]
0%
a) Protein
0%
b) Lipoprotein
0%
c) Lipopolysaccharide
0%
d) Lipid
Explanation
Answer : (c)
Q.30
Which one is a prokaryotic? … [ MPPMT 2007]
0%
a) Oscillatoria/bacteria
0%
b) Chlamydomonas
0%
c) Volvox
0%
d) Chlorella
Explanation
Answer : (a)
Q.31
Maximum number of bases in plasmids in … .. [ CBSE 2001]
0%
a) 50 kilobase
0%
b) 500 kilobase
0%
c) 5000 kilobase
0%
d) 50,000 kilobase
Explanation
Answer : (b)
Q.32
BGA are included amongst … .. [ CBSE 1996]
0%
a) Prokaryotes
0%
b) Fungi
0%
c) Bryophytes
0%
d) Protista
Explanation
Answer : (a)
Q.33
Which of the following diseases is not caused by virus … .. [ HPPMT 2010]
0%
a) Mumps
0%
b)AIDS
0%
c) Tuberculosis
0%
d) Rabies
Explanation
Answer : (c)
Q.34
Assertion: Plasmids are single stranded extra chromosomal DNA. Reason : Plasmids are possessed by eukaryotic cells
0%
a) If both the assertion and reason are true and reason explains the assertion.
0%
b) If both the assertion and reason are true but reason does not explain the assertion
0%
c) If assertion is true but reason is false
0%
d) If both the assertion and reason false
Explanation
Answer : (d)
Q.35
TMV possesses … . [ MPPMT 2001]
0%
a) DNA
0%
b) DNA + protein
0%
c) RNA + Protein
0%
d) DNA + RNA
Explanation
Answer : (c)
Q.36
Fraenkel-Conrat demonstrated that RNA is genetic material in …
0%
a) HIV
0%
b) CMV
0%
c) TMV
0%
d) Mouse Sarcoma
Explanation
Answer : (c)
Q.37
Mitochondria probably originated from bacteria because both have … .. [ AIIMS 1994]
0%
a) Similar type of circular DNA
0%
b) Similar pigments
0%
c) Same function
0%
d) All the above
Explanation
Answer : (a)
Q.38
Genes are packed in bacterial chromosome by … .. [ CBSE 1997]
0%
a) Acid proteins
0%
b) Histones
0%
c) Basic proteins
0%
d) Actin
Explanation
Answer : (c)
Q.39
Which one of the following can fix nitrogen? … … [ BHU 1991]
0%
a) Vaucheria
0%
b) Spirogyra
0%
c) Nostoc
0%
d) Ectocarpus
Explanation
Answer : (c)
Q.40
Bacteria useful in biogas fermentation are …. [ kerala 2002]
0%
a) Methanogens
0%
b) Halophiles
0%
c) Vibrio
0%
d) Thermoacidophiles
Explanation
Answer : (a)
Q.41
Mycoplasma is … [ JIPMER 2002]
0%
a) Unicellular eukaryote
0%
b) Unicellular prokaryote
0%
c) Multicellular prokaryote
0%
d) Multicellular eukaryote
Explanation
Answer : (b)
Q.42
Bacteria which convert atmospheric nitrogen into nitrogen compounds are called … [ AFMC 1996]
0%
a) Nitrogen fixing bacteria
0%
b) Nitrifying bacteria
0%
c) Putrefying bacteria
0%
d) Denitrifying bacteria
Explanation
Answer : (a)
Q.43
Bacteria differ from viruses in … .. [ CPMT 1993]
0%
a) Pathogenic nature
0%
b) Genetic material
0%
c) Having well defined cytoplasm
0%
d) Lacking proper nucleus
Explanation
Answer : (c)
Q.44
Transfer of genetic material with the help of virus is called … [ BHU 1991]
0%
a) Transference
0%
b) Transformation
0%
c) Transduction
0%
d) Transcription
Explanation
Answer : (c)
Q.45
Escherichia coli present in human colon is …. ..[ AFMC 2002]
0%
a) Parasite
0%
b) Commensal
0%
c) Symbiont
0%
d) Saprophyte
Explanation
Answer : (b)
Q.46
The most well studied bacterial-plant relationship is that of … [ CBSE 2004]
0%
a) Cyanobacterial symbiosis with some aquatic ferns
0%
b) Nodulation in sesbania stem
0%
c) Gall formation by Agrobacterium
0%
d) Growth stimulation by phosphate bacteria
Explanation
Answer : (c)
Q.47
Mitochondria probably originated from bacteria because both have … .. [ AIIMS 1994]
0%
a) Similar type of circular DNA
0%
b) Similar pigments
0%
c) Same function
0%
d) All the above
Explanation
Answer : (a)
Q.48
Spirulina is a … [ CPMT 2010]
0%
a) Fungus
0%
b) Blue green alga
0%
c) Pteridophyte
0%
d) Bryophyte
Explanation
Answer : (b)
Q.49
Which one is peritrichous? [ MPPMT 2002]
0%
a) Pseudomonas
0%
b) Bacillus typhosus
0%
c) Spirillum
0%
d) Vibrio
Explanation
Answer : (b)
Q.50
In bacteria plasmid is … [ CBSE 2002]
0%
a) Extrachromosomal material
0%
b) Main DNA
0%
c) Non-functional DNA
0%
d) Repetitive gene
Explanation
Answer : (a)
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