phylogeny and inter-relationship found between taxa on the basis of number, type and arrangement of chromosomes is … .. [ JIPMER 1998]
60%
a) Cytotaxonomy
0%
b) Chromotaxonomy
20%
c) Karyotaxonomy
20%
d) Chemotaxonomy
Q.2.
Bordetella pertussis causes
57%
a) Whooping cough
14%
b) Meningitis
29%
c) Influenza
0%
d) Pneumonia
Q.3.
A bacteriophage possesses an enzyme
17%
a) Protease
83%
b) Urease
0%
c) Dehydrogenase
0%
d) Lysozyme
Q.4.
RNA containing viruses belong to …[ AMU 1997]
14%
a) Ribocubica
57%
b) Ribobinala
14%
c) Ribovira
14%
d) Deoxyvira
Q.5.
Process absent in viruses is .. .. [ AIIMS 1996]
0%
a) Replication
43%
b) Mutation
29%
c) Protein synthesis
29%
d) Energy liberation
Q.6.
RNA is genetic material in … .. [ BHU 1996]
0%
a) Bacterium
50%
b) Bacteriophage
50%
c) TMV
0%
d) Protozoan
Q.7.
A characteristic of virus is … .. [ AFMC 1997]
0%
a) Without independent metabolism
83%
b) With independent metabolism
0%
c) Multiplication outside living cells
17%
d) Culture in cell free medium
Q.8.
The stage following infection by virus when virus particles cannot be observed is … [ JIPMER 1998]
33%
a) Infection phase
67%
b) Eclipse phase
0%
c) Maturation phase
0%
d) Lysogenic phase
Q.9.
Feeding on dead and decaying organisms is a nutrition called … .. [ CPMT 2000]
40%
a) Autotrophic
20%
b) Saprotrophic
40%
c) Parasitic
0%
d) Holozoic
Q.10.
Nitrite is changed to nitrate by …. [ Pb.PMT 2009]
0%
a) Nitrobacter
80%
b) Nitrosomonas
20%
c) Clostridium
0%
d) Pseudomonas
Q.11.
The term “ New Systematics” was introduced by .. .. [ AFMC 1993]
20%
a) Bentham and Hooker
0%
b) Linnaeus
60%
c) Julin Huxley
20%
d) A.P. de Candolle
Q.12.
Vinegar is produced by … .. [ MPPMT 1992]
0%
a) Two step process first fermentation of sugar by Yeast, second fermentation of ethyl alcohol by acetic acid bacteria
60%
b) Fermentation of sugar by Lactobacillus
20%
c) Fermentation of sugar by Aspergillus
20%
d) Fermentation of sugar by Saccharomyces cerevisiae
Q.13.
Assign the following substance to cell wall, flagella, S-layer and pili of bacteria in proper sequence a) Glycoprotein b) Fimbrin c) Teichoic acid d) Flagellin
0%
a) c,a, d, b
100%
b) c, d, a, b
0%
c) b, d, c, a
0%
d) c, d, b,a
Q.14.
RNA retroviruses have enzyme that … .. [ AFMC 1999]
17%
a) Translates host DNA
0%
b) Polymerises host DNA
50%
c) Transcribes viral RNA to cDNA
33%
d) Destroys host DNA
Q.15.
Mycoplasma is not inhibited by penicillin because it does not have ..[ odisha 2008]
20%
a) Sexual reproduction
40%
b) Cell wall
20%
c) Nucleus
20%
d) Ribosomes
Q.16.
Which is not characteristic of Gram(+) bacteria?
0%
a) Smooth cell wall
20%
b) Outer membrane
40%
c) Prominent mesosomes
40%
d) Two rings in basal body of flagellum
Q.17.
Which one does not have cellular structure? .. .. [ CET Chd. 1997 ]
0%
a) Bacteriophage
40%
b) PPLO
40%
c) Bacterium
20%
d) Diatom
Q.18.
TMV has size of ..... [ CBSE 2003]
0%
a) 50 nm × 10 nm
20%
b) 100 nm × 20 nm
60%
c) 300 nm × 18 nm
20%
d) 500 nm × 24 nm
Q.19.
Chemotaxonomy is connected with … .. [ MHTCET 2001]
20%
a) Classification of chemicals found in plants
20%
b) Use of phytochemical data in systematic botany
20%
c) Application of chemicals on herbarium sheets
40%
d) Use of statistical methods in chemical yielding plants
Q.20.
In bacterial cell division is … [ Odisha 2007]
0%
a) Amitotic
40%
b) Mitotic
20%
c) Meiotic
40%
d) All the above
Q.21.
Artificial system of classification was first used by … .. [ CBSE 1990]
40%
a) Linnaeus
0%
b) De Candolle
60%
c) Theophrastus
0%
d) Bentham and Hooker
Q.22.
An antibiotic is … .. [ AIIMS 1992]
0%
a) Chloramphenicol
40%
b)Ethephon
40%
c) Phoshon – D
20%
d) AMO – 1618
Q.23.
Rabies is caused by a … .. [ DPMT 2008]
20%
a) Bacterium
20%
b) Worm
40%
c) Virus
20%
d) Fungus
Q.24.
Shorter generation time of E.coli as compared to eukaryotes is due to …
0%
a) Absence of organelles
40%
b) Presence of cell wall
40%
c) Shape
20%
d) Large surface/volume ratio
Q.25.
Reverse transcriptase … .. [ AFMC 1999 ]
0%
a) Disintegrates host DNA
40%
b) Polymerises host DNA
60%
c) Translates host DNA
0%
d) Transcribes viral RNA to cDNA
Q.26.
Virus multiplies in … .. [ BHU 2008]
0%
a) Dead tissue
40%
b) Soil
60%
c) Living tissue
0%
d) Culture medium
Q.27.
Genetic material of retrovirus is ….. [ AMU 1997]
0%
a) ss RNS
40%
b) ss DNA
60%
c) ds RNA
0%
d) ds DNA
Q.28.
Circular single stranded DNA occurs in bacteriophage … [ AFMC 1998]
40%
a) T2, T4
40%
b) Φ × 174, M13
20%
c) T3, Φ 6
0%
d) δ. T5
Q.29.
In Reovirus, genetic material is .. .. [ Kerala 2002]
17%
a) ss DNA
33%
b) ss RNA
17%
c) ss RNA
33%
d) ds RNA
Q.30.
Spirulina belongs to kingdom …[ HPPMT 2007]
20%
a) Monera
40%
b) Protista
20%
c) Plantae
20%
d) Fungi
Q.31.
In artificial system, the organisms are classified on the basis of … .. [ RPMT 1990]
0%
a) All the possible characters
60%
b) Phylogenetic trends
40%
c) A few characters
0%
d) Anatomical, cytological and biochemical traits along with morphological traits
Q.32.
Escherichia coil is used extensively in biological research as it is … .. [ CBSE 1993]
25%
a) Easily cultured
50%
b) Easily available
0%
c) Easy to handle
25%
d) Easily multiplied in host
Q.33.
Viruses are no more “alive” than isolated chromosomes because ….. [ CBSE 2003]
20%
a) They require both RNA and DNA
40%
b) They both need food molecules
40%
c) They both require oxygen from respiration
0%
d) Both requires the environment of a cell to replicate
Q.34.
Prokaryotic and eukaryotic flagella differ in …[ AFMC 2008]
0%
a) Location and functioning
20%
b) Movement and placement
80%
c) Microtubular organization and function
0%
d) Microtubular organization and movement
Q.35.
Identify the correct pair having double stranded RNA … ..
17%
a) Cauliflower mosaic virus and Dahlia mosaic virus
50%
b) Poliovirus and Wound tumour virus
33%
c) Tobacco mosaic virus and Reovirus
0%
d) Wound tumour virus and Reovirus
Q.36.
People recovering from long illness are often advised to take Spirulina because it … ..[AIIMS 2008]
20%
a) Restores intestinal microflora
40%
b) Makes food easily digestible
40%
c) Has antibiotic properties
0%
d) Is rich in proteins
Q.37.
Virus attacks a bacterium but neither multiples nor the bacterium dies due to … .. [ AMU 2002]
0%
a) Lysogeny
40%
b) Adsorption
40%
c) Assimilation
20%
d) Viral stability
Q.38.
In coliphage viruses the nucleic acid is .. .. [ JIPMER 1998]
33%
a) RNA only
0%
b) DNA only
50%
c) DNA or RNA
17%
d) DNA and RNa
Q.39.
Phenetic classification is based on … .. [ CBSE 2004]
0%
a) Ancestral lineage of existing organisms
33%
b)Observable characteristics of existing organisms
50%
c) Dendrograms based on DNA characteristics
17%
d) Sexual characteristics
Q.40.
Incipient nucleus occurs in … [ Pb PMT 2007]
20%
a) Myxophyceae
40%
b) Chlorophyceae
40%
c) Phaeophyceae
0%
d) Rhodophyceae
Q.41.
Species Plantarum was written by … .. [ BHU 1990]
0%
a) Julian Huxley
40%
b) John Ray
40%
c) Carolus Linnaeus
20%
d) Charles Darwin
Q.42.
Sterilisation by autoclaving is carried out to … [ CPMT 1993]
20%
a) Kill bacteria and other pathogens
20%
b) Kill viruses
60%
c) kill bacteria and enzymes
0%
d) Inactivate enzymes
Q.43.
The latest view for the origin of viruses is … [ Pb. PMT 2005]
0%
a) They have arisen from nucleic acid and protein found in primitive soup
40%
b) They arose from bacteria as a result of loss of cell wall, ribosomes etc
60%
c) They arose from some bacteria which developed a nucleus only
0%
d) They are modified plasmids which are in fact the fragments of nucleic acid of the host
Q.44.
Which amino acid is present only in bacteria and cyanobacteria … [ MPPMT 2007]
0%
a) Glycine
20%
b) Tyrosine
40%
c) Glutamic acid
40%
d) Diaminopimelic acid
Q.45.
Assertion : Gram negative bacteria do not retain the stain when washed with alcohol. Reason : The outer face of outer membrane of Gram negative bacteria contain lipopolysaccharides a part of which is integrated with membrane lipids … [ AIIMS 2006]
40%
a) If both the assertion and reason are true and reason explains the assertion.
40%
b) If both the assertion and reason are true but reason does not explain the assertion
20%
c) If assertion is true but reason is false
0%
d) If assertion is false but reason is true.
Q.46.
Viral envelope contains … .. [ AMU 2005]
0%
a) Lipids
20%
b) Proteins
80%
c) Carbohydrates
0%
d) All the above
Q.47.
Which of the following is an example of viral disease? … .. [ RPMT 1998]
17%
a) Leaf curl of Papays
17%
b) Late blight of Potato
50%
c) Black rust of Wheat
17%
d) Red rot of Sugarcane
Q.48.
Which of the following viruses has DNA? [ Pb PMT 1999 ]
17%
a) Tobacco Mosaic Virus
33%
b) Cauliflower Mosaic Virus
0%
c) Tomato Mosaic Virus
50%
d) Potato Mosaic Virus
Q.49.
Viral envelope contains … [ AMU 2005]
0%
a) Lipids
0%
b) Proteins
100%
c) Carbohydrates
0%
d) All the above
Q.50.
Which one is used as biofertilizer? [JKCMEE 2005]
0%
a) Nostoc
20%
b) Funaria
60%
c) Volvox
20%
d) Rhizopus
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