NEET Biology MCQ - Biological Classification Viruses, Viroids, Prions And Kingdome Monera MCQ - Quiz-10 Solution

Q.1.

Karyotaxonomy is based on … ..[ MPPMT 1999]

12%
a) Trinomial nomenclature
12%
b) Organic evolution
50%
c) Number of chromosomes
25%
d) Band formed on chromosomes

Explanation

Q.2.

Which is not antibiotic? … [ MPPMT 1993]

17%
a) Citric acid
17%
b) Streptomycin
50%
c) Cephalosporin
17%
d) Griseofulvin

Explanation

Q.3.

Prion consists of .. .. [ MPPMT 2007]

0%
a) DNA
29%
b) RNA
43%
c) Both DNA and RNA
29%
d) Protein

Explanation

Q.4.

An anaerobic nitrogen fixing bacteria is … [ CBSE 2010]

0%
a) Azotobacter
33%
b) Chlorobium
67%
c) Rhodospirillum
0%
d) Clostridium

Explanation

Q.5.

Tuberculosis is caused by …[ DPMT 2008]

0%
a) Clostridium
40%
b) Mycobacterium
40%
c) Vibrio cholera
20%
d) Salmonella typhi

Explanation

Q.6.

Potato spindle Tuber disease is due to … .. [ BHU 2012]

25%
a) Nematode
25%
b) Virus
25%
c) Bacterium
25%
d) Viroid

Explanation

Q.7.

Mature virus particle is … .. [ BHU 1999]

40%
a) Virion
40%
b) Viricide
20%
c) Capsid
0%
d) Peplomer

Explanation

Q.8.

Plant viruses mostly have … .. [ MPPMT 1999 ]

50%
a) DNA
0%
b) RNA
50%
c) Both DNA and RNA
0%
d) Coiled nucleolus

Explanation

Q.9.

Five kingdom classification was proposed in the year … [ kerala 2003]

25%
a) 1959
50%
b) 1969
0%
c) 1919
25%
d) 1859

Explanation

Q.10.

DNA is not associated with histones in … [ DPMT 2005]

25%
a) Prokaryotes
25%
b) Eukaryotes
50%
c) Fungi
0%
d) Animals

Explanation

Q.11.

Holophytic nutrition occurs in … .. [ MPPMT 2000]

25%
a) Amoeba
25%
b) Entamoeba
50%
c) Euglena
0%
d) Giardia

Explanation

Q.12.

Cell division of blue-green algae is similar to that of …. .. [ AMU 1998]

25%
a) Bacteria
50%
b) Green algae
25%
c) Brown algae
0%
d) Red algae

Explanation

Q.13.

Which of the following are neither prokaryotes nor eukaryotes … .. [ JKCMEE 2010]

0%
a) Bacteria
0%
b) Monera
50%
c) Fungi
50%
d) Bacteriophages

Explanation

Q.14.

A chain of coccoid bacterial cells is …. [ manipal 2004]

25%
a) Staphylococcus
50%
b) Monococcus
25%
c) Diplococcus
0%
d) Streptococcus

Explanation

Q.15.

Which is not moneran? [ DPMT 2008]

25%
a) Mycoplasma
25%
b) slime mould
50%
c) Archaebacteria
0%
d) Eubacteria

Explanation

Q.16.

Virus differs from bacterium in having … .. [ JKCMEE 2011]

60%
a) Cell wall
0%
b) Cytosol
40%
c) DNA as genetic material
0%
d) DNA or RNA with no ribosomes

Explanation

Q.17.

Viruses are living because … .. [ AFMC 2007]

0%
a) They can reproduce
50%
b) They have protein synthesizing machinery
25%
c) They have some genes
25%
d) They are parasites

Explanation

Q.18.

Potato leaf roll disease is caused by … .. [ MPPMT 1999 ]

0%
a) Mycoplasma
80%
b) Virus
20%
c) Microspores
0%
d) Bacterium

Explanation

Q.19.

An artificial system of classification was proposed by … .. [ kerala 2004]

75%
a) Bentham and Hooker
0%
b) Linnaeus
25%
c) Engler and Prantl
0%
d) Bessey

Explanation

Q.20.

Assertion: True nucleus is absent in E.Coli and other prokaryotes. Reason: An undifferentiated, unorganized fibrillar nucleus without any limiting membrane is found in prokaryotic cells

25%
a) If both the assertion and reason are true and reason explains the assertion.
50%
b) If both the assertion and reason are true but reason does not explain the assertion
25%
c) If assertion is true but reason is false
0%
d) If assertion is false but reason is true.

Explanation

Q.21.

Algae with photosynthetic pigment possess nutrition … .. [ AMU 1997 ]

0%
a) Holozoic
50%
b) Saprophytic
25%
c) Holophytic
25%
d) Parasitic

Explanation

Q.22.

Prokaryotic cells are characterized by … .. [ AFMC 2011]

0%
a) Absence of nuclear envelope
0%
b) Presence of nuclear envelope
75%
c) Presence of distinct chromosome
25%
d) Absence of chromatin material

Explanation

Q.23.

Bacteria involved in production of methane gas are (A.F.M.C. 2010)

0%
a) Actinomycetes
50%
b) Methanogens
25%
c) Methanotrophs
25%
d) Cyanobacteria

Explanation

Q.24.

The genetic material; of Papaya Mosaic Virus is … [ odisha 2012]

0%
a) ssDNA
40%
b) dsDNA
20%
c) ds RNA
40%
d) ss RNA

Explanation

Q.25.

Bacterium Pseudomonas is useful as it can … .. [ AIIMS 2004]

0%
a) Transfer genes from one plant to an other
0%
b) Fix atmospheric nitrogen
50%
c) Produce several antibiotics
50%
d) Decompose a variety of organic compounds

Explanation

Q.26.

Which one of the following sets includes the bacterial diseases? [ AIIMS 1997]

50%
a) Cholera, typhoid, mumps
0%
b) Tetanus, Tuberculosis, Measles
0%
c) Malaria, Mumps, Poliomyelitis
50%
d) Diphtheria, Leprosy, Plague

Explanation

Q.27.

Caulimovirus ( Cauliflower Mosaic ) virus have … [ CBSE 2001]

0%
a) Double stranded DNA
40%
b) Single stranded DNA
40%
c) Single stranded RNA
20%
d) Double stranded RNA

Explanation

Q.28.

Streptomyces rimosus is the source of the antibiotic … .. [ MPPMT 1990]

25%
a) Chloromycetin
50%
b) Erythromycin
25%
c) Aureomycin
0%
d) Terramycin

Explanation

Q.29.

Botulism is due to contamination of … [ CET Chd.2010]

25%
a) E.coli
0%
b) Salmonella
75%
c) Clostridium
0%
d) Pseudomonas

Explanation

Q.30.

What is true for archaebacteria 1) Extreme halophiles 2) Extreme thermophiles 3) Methanogens 4) Occurrence of peptidoglycan in cell wall

75%
a) 1,2,3 correct
25%
b) 1 and 2 correct
0%
c) 2 and 4 correct
0%
d) 1 and 3 correct

Explanation

Q.31.

A system of classification that is based on evolution, order and ancestry is known as .. .. [ Pb PMT 1998]

0%
a) Natural system
25%
b) Analogous system
50%
c) Phylogenetic system
25%
d) Homologous system

Explanation

Q.32.

Non-symbiotic nitrogen fixers are … [ CBSE 1994]

0%
a) Azotobacter
25%
b) Pseudomonas
25%
c) Soil Fungi
50%
d) Blue-Green Algae

Explanation

Q.33.

A bacterial disease is … .. [ MPPMT 1990]

25%
a) Amoebic dysentery
25%
b) Beri-beri
25%
c) Leprosy
25%
d) Arthritis

Explanation

Q.34.

Bacterial photosynthesis is characterized by …. [ DPMT 2005]

25%
a) Evolution of O2
0%
b) Evolution of H2
50%
c) Evolution of CO2
25%
d) Non-evolution of O2

Explanation

Q.35.

The stored food in blue-green algae is … .. [ BHU 1990]

0%
a) Starch
50%
b) Glucose
25%
c) Cellulose
25%
d) Related to glycogen

Explanation

Q.36.

Heterocysts occur in … [ CET 2010]

0%
a) Chlorophyceae
0%
b) Phaeophyceae
75%
c) Cyanophyceae/cyanobacteria/ Nostoc
25%
d) Rhobophyceae

Explanation

Q.37.

What is true of viruses? [ kerala 2011]

0%
a) They are obligate intercellular parasites
25%
b) They are bigger than bacteria
25%
c) They contain both DNA and RNA
50%
d) They are non-specific for their host

Explanation

Q.38.

Pasteurisation frees food stuffs of … .. [ BHU 1990]

0%
a) All bacteria
25%
b) All living organisms
25%
c) Vegetative forms of bacteria
50%
d) Vegetative forms of all pathogenic bacteria

Explanation

Q.39.

Three phase of taxonomy, alpha, beta and omega were recognized by … .. [ CET chd. 2006 ]

50%
a) A.P. de Candolle
25%
b) Turrill
25%
c) Heywood
0%
d) Hulian Huxley

Explanation

Q.40.

Pathogenicity of leprosy and tuberculosis is due to … [ Kerala 2008]

0%
a) Wax D
67%
b) Prostaglandins
33%
c) Cholesterol
0%
d) Ergosterol

Explanation

Q.41.

Latest classification of biological kingdom has been proposed by … ..

0%
a) Linnaeus
0%
b) Haeckel
100%
c) Whittaker
0%
d) John Ray

Explanation

Q.42.

A bacterial genome refers to the total number of genes located on .. .. [ MPPMT 1995]

0%
a) Single chromosome
50%
b) Haploid set of chromosomes
50%
c) Diploid set of chromosomes
0%
d) Tetraploid set of chromosomes

Explanation

Q.43.

Bovine spongiform encephalopathy disease is equal to … .. [ CBSE 2000]

0%
a) Kala-azar
20%
b) Parkinson’s disease
80%
c) Creutzfeldt- Jakob disease
0%
d) None of the above

Explanation

Q.44.

Which one of the following statements about viruses is correct …. [ CBSE 2003]

0%
a) Viruses possess their own metabolic system
50%
b) All viruses contain both RNA and DNA
50%
c) Viruses are obligate parasites
0%
d) Nucleic acid of viruses is known as capsid/

Explanation

Q.45.

Which one of following can fix nitrogen? .. … [ BHU 19990]

0%
a) Mycoplasma
0%
b) Azotobacter
33%
c) Anabaena
67%
d) Both B and C

Explanation

Q.46.

Conversion of ammonia into nitrite and nitrate is … [ JKCMEE 2005]

0%
a) Ammonification
0%
b) Denitrification
67%
c) Nitrification
33%
d) All the above

Explanation

Q.47.

A polyhedral virus is … [ kerala 2000]

25%
a) TMV
25%
b) Polio virus
25%
c) Adenovirus
25%
d) Vaccinia virus

Explanation

Q.48.

Chemotrophs do not need … [ DPMT 1997]

0%
a) H2S
0%
b) Nitrite
67%
c) Sunlight
33%
d) Ammonium compound

Explanation

Q.49.

Which of the following cannot be grown on artificial culture medium? [ CPMT 1994 ]

0%
a) Escherichia coli
33%
b) TMV
33%
c) Aspergillus
33%
d) Yest

Explanation

Q.50.

Cyanobacteria are … [ CET Chd 2009]

33%
a) Autotrophic prokaryotes with characteristic blue green pigments
0%
b) Bacteria infecting the cyanophycean algae
33%
c) Viruses infecting blue green algae
33%
d) Cyanophycean members infecting bacteria

Explanation

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