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NEET Biology MCQ
Biological Classification Viruses, Viroids, Prions And Kingdome Monera MCQ
Quiz 5
Solution
Q.1.
In viruses, the nucleic acid is … .. [ MPPMY 1991 ]
7%
a) DNA
36%
b) RNA
21%
c) Both A or B
36%
d) Either A or B
Q.2.
Diphtheria is due to … [ AIIMS 2007]
20%
a) Poison released by living bacteria
60%
b) Poison released by dead bacteria
20%
c) Poison released by virus
0%
d) Excessive immune response
Q.3.
Bacteriophages kill … .. [ BHU 1993]
11%
a) Fungi
33%
b) All monerans
44%
c) Bacteria
11%
d) Viruses
Q.4.
Smallest organisms capable of growth, division and reproduction are… ..[ BHU 1997]
18%
a) Bacteria
18%
b) Viruses
55%
c) Mycoplasma
9%
d) Actinomycetes
Q.5.
Which of the following is false? [ CPMT 2005]
0%
a) Most plant viruses are RNA viruses
18%
b) Most animal viruses are DNA viruses
55%
c) TMV has a doubled stranded RNA
27%
d) T4 bacteriophage has double stranded DNA molecule
Q.6.
Nitrosomonas is a … .. [ MPPMT 1991]
0%
a) Photoautotroph
30%
b) Chemoautotroph
50%
c) Chemoheterotroph
20%
d) Photohetrotroph
Q.7.
Whittaker proposed 5-kingdome classification in …. .. [ AMU 2001]
38%
a) 1969
38%
b) 1959
12%
c) 1978
12%
d) 1988
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]
29%
a) A thick peptidoglycan wall
29%
b) Endospores
14%
c) Endotoxins
29%
d) Endogenous buds
Q.9.
Monerans devoid of cell wall are … [ CPMT 2000]
12%
a) Bacteria
25%
b) Cyanobacteria
25%
c) Mycoplasma
38%
d) Actinomycetes
Q.10.
Smallest bacterium is ….. [ CPMT 2002]
14%
a) Dialister
29%
b) Nitrosomonas
57%
c) Bacillus
0%
d) Spirillum
Q.11.
Gram negative bacteria detect and respond to chemicals by … [ kerala 2003]
14%
a) Muramic acid
57%
b) Lipopolysaccharide
0%
c) Porins
29%
d) Volutin granules
Q.12.
Bacterial protoplasm is granular due to .. .. [ BHU 1997]
14%
a) Golgisomes
14%
b) Lysosomes
43%
c) Ribosomes
29%
d) Endoplasmic reticulum
Q.13.
Which institute is correctly matched with its location … .. [ AIIMS 2008]
33%
a) National institute of communicable diseases → Lucknow
33%
b) National Institute of Virology → Pune
17%
c) National institute of Nutrition → Mumbai
17%
d) Central Drug Research institute → Kasauli
Q.14.
Plasmid is … [ Odisha 2003]
0%
a) Single stranded DNA
33%
b) Double stranded circular DNA
17%
c) Extrachromosomal linear DNA
50%
d) RNA
Q.15.
Iron bacterium is … .. [ MPPMT1999]
17%
a) Beggiatoa
33%
b) Geobacillus
17%
c) Thiobacillus
33%
d) None of the above
Q.16.
Trachoma is caused by .. .. [ CET Chd 2003]
20%
a) Spirochaete
0%
b) Chlamydia
60%
c) Trichonympha
20%
d) Paramaecium
Q.17.
Phylogenetic system of classification was proposed by … .. [ BHU 91]
17%
a) Hutchinson/ Engler and Prantl
33%
b) Bentham and Hooker
33%
c) Linnaeus
17%
d) Santapau
Q.18.
Plasmids are extrachromosomal genetic materials of … [ CPMT 2009]
33%
a) Virus
33%
b) Bacteria
17%
c) Algae
17%
d) Amoeba
Q.19.
Bacteria are examples of .. [ Odisha 2009]
0%
a) Protistan cell
17%
b) Eukaryotic cell
17%
c) Animal cells
67%
d) Prokaryotic cells
Q.20.
Xanthomonas citri contains …
20%
a) Single polar flagellum
20%
b) Bipolar flagella
40%
c) Tuft of flagella
20%
d) No flagella
Q.21.
cDNA is … .. [ Odisha 2003]
50%
a) Circular DNA
0%
b) Coiled DNA
50%
c) Cytoplasmic DNA
0%
d) Complementary DNA
Q.22.
Bacteria have cell membrane made of …[ PbPMT2000]
0%
a) Chitin
67%
b) Cellulose
17%
c) Proteins and phospholipids
17%
d) Fats
Q.23.
Streptococcus is used in preparation of … [ DPMT 2003]
33%
a) Wine
0%
b) Idli
33%
c) Cheese
33%
d) Bread
Q.24.
Harmful substances released by bacteria are … [ AFMC 2003]
0%
a) Antibiotic
17%
b) Toxins
50%
c) Antigens
33%
d) Allergens
Q.25.
Largest known virus is … .. [ JIPMER 1998]
17%
a) TMV
0%
b) T1 phage
67%
c) Citrus tristeza
17%
d) Φ ×174
Q.26.
Which is not correct about antibiotics? … [ CBSE 1996]
40%
a) Fleming discovered the first commercial antibiotic
0%
b) Waksman coined the term antibiotic in 1942
40%
c) Allergy may develop against an antibiotic
20%
d) An antibiotic is effective against one specific pathogen
Q.27.
The scientist who created the group Protista for both unicellular plants and animals is … .. [ AIIMS 1993]
80%
a) Haeckel
20%
b) Pasteur
0%
c) Lister
0%
d) Koch
Q.28.
Which one is bacterial disease? [ Pb PMT 1997]
25%
a) Rust of Tea
0%
b) Red rot of Sugarcane
50%
c) Citrus canker
25%
d) Late blight of Potato
Q.29.
Gram (-)ve bacteria possess peptidoglycan and an extra layer of …. [AIIMS 2001]
0%
a) Protein
60%
b) Lipoprotein
40%
c) Lipopolysaccharide
0%
d) Lipid
Q.30.
Which one is a prokaryotic? … [ MPPMT 2007]
20%
a) Oscillatoria/bacteria
20%
b) Chlamydomonas
40%
c) Volvox
20%
d) Chlorella
Q.31.
Maximum number of bases in plasmids in … .. [ CBSE 2001]
0%
a) 50 kilobase
60%
b) 500 kilobase
20%
c) 5000 kilobase
20%
d) 50,000 kilobase
Q.32.
BGA are included amongst … .. [ CBSE 1996]
0%
a) Prokaryotes
60%
b) Fungi
20%
c) Bryophytes
20%
d) Protista
Q.33.
Which of the following diseases is not caused by virus … .. [ HPPMT 2010]
40%
a) Mumps
0%
b)AIDS
60%
c) Tuberculosis
0%
d) Rabies
Q.34.
Assertion: Plasmids are single stranded extra chromosomal DNA. Reason : Plasmids are possessed by eukaryotic cells
40%
a) If both the assertion and reason are true and reason explains the assertion.
20%
b) If both the assertion and reason are true but reason does not explain the assertion
40%
c) If assertion is true but reason is false
0%
d) If both the assertion and reason false
Q.35.
TMV possesses … . [ MPPMT 2001]
20%
a) DNA
20%
b) DNA + protein
60%
c) RNA + Protein
0%
d) DNA + RNA
Q.36.
Fraenkel-Conrat demonstrated that RNA is genetic material in …
20%
a) HIV
20%
b) CMV
60%
c) TMV
0%
d) Mouse Sarcoma
Q.37.
Mitochondria probably originated from bacteria because both have … .. [ AIIMS 1994]
20%
a) Similar type of circular DNA
0%
b) Similar pigments
40%
c) Same function
40%
d) All the above
Q.38.
Genes are packed in bacterial chromosome by … .. [ CBSE 1997]
0%
a) Acid proteins
25%
b) Histones
75%
c) Basic proteins
0%
d) Actin
Q.39.
Which one of the following can fix nitrogen? … … [ BHU 1991]
0%
a) Vaucheria
20%
b) Spirogyra
80%
c) Nostoc
0%
d) Ectocarpus
Q.40.
Bacteria useful in biogas fermentation are …. [ kerala 2002]
67%
a) Methanogens
17%
b) Halophiles
17%
c) Vibrio
0%
d) Thermoacidophiles
Q.41.
Mycoplasma is … [ JIPMER 2002]
20%
a) Unicellular eukaryote
60%
b) Unicellular prokaryote
0%
c) Multicellular prokaryote
20%
d) Multicellular eukaryote
Q.42.
Bacteria which convert atmospheric nitrogen into nitrogen compounds are called … [ AFMC 1996]
50%
a) Nitrogen fixing bacteria
25%
b) Nitrifying bacteria
25%
c) Putrefying bacteria
0%
d) Denitrifying bacteria
Q.43.
Bacteria differ from viruses in … .. [ CPMT 1993]
40%
a) Pathogenic nature
40%
b) Genetic material
20%
c) Having well defined cytoplasm
0%
d) Lacking proper nucleus
Q.44.
Transfer of genetic material with the help of virus is called … [ BHU 1991]
20%
a) Transference
20%
b) Transformation
40%
c) Transduction
20%
d) Transcription
Q.45.
Escherichia coli present in human colon is …. ..[ AFMC 2002]
25%
a) Parasite
0%
b) Commensal
50%
c) Symbiont
25%
d) Saprophyte
Q.46.
The most well studied bacterial-plant relationship is that of … [ CBSE 2004]
40%
a) Cyanobacterial symbiosis with some aquatic ferns
60%
b) Nodulation in sesbania stem
0%
c) Gall formation by Agrobacterium
0%
d) Growth stimulation by phosphate bacteria
Q.47.
Mitochondria probably originated from bacteria because both have … .. [ AIIMS 1994]
20%
a) Similar type of circular DNA
0%
b) Similar pigments
60%
c) Same function
20%
d) All the above
Q.48.
Spirulina is a … [ CPMT 2010]
20%
a) Fungus
20%
b) Blue green alga
20%
c) Pteridophyte
40%
d) Bryophyte
Q.49.
Which one is peritrichous? [ MPPMT 2002]
40%
a) Pseudomonas
20%
b) Bacillus typhosus
20%
c) Spirillum
20%
d) Vibrio
Q.50.
In bacteria plasmid is … [ CBSE 2002]
40%
a) Extrachromosomal material
40%
b) Main DNA
0%
c) Non-functional DNA
20%
d) Repetitive gene
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