11th class (FSc) Biology Unit 5 MCQs
Chapter 5 MCQs 11th Class Biology
Variety of Life:
1. The common name of Allium cepa is:
a. Amaltas
b. Piyaz
c. Chana
d. Bathu
2. In the binomial system of taxonomy, developed during the 18 century by C. Linnaeus, the first word of an organism’s name(e.g., Homo sapiens) is its:
a. Race
b. Species
c. Family
d. Genus
3. Some bacteria transfer genetic material from donor to recipient bacteria during process:
a. Regeneration
b. Binary fission
c. Conjugation
d. Budding
4. ……… is incorrect about guard cells:
a. Connected to surrounding cells by plasmodesmata
b. Have chloroplasts
c. Surround stoma
d. Bean shaped
5. Initially, the classification was based on:
a. Morphology
b. cytology
c. Genetic features
d. Physiology
6. Family include related:
a. Families
b. Species
c. Orders
d. Genera
7. The biological name of sweet pea is:
a. Lathyrus odoratus
b. Arachis hypogea
c. Lycopersicum esculentum
d. Solanum nignrum
8. The scientific name onion(piyaz) is:
a. Homo sapiens
b. Allium cepa
c. Solanum tuberosum
d. Cassia fistuta
9. The common name of the Solarium melangena is:
a. Potato
b. Onion
c. Amaltas
d. Brinjal
10. Independent evolutionary unit is:
a. Genus
b. Species
c. Family
d. Population
11. The basic unit of classification is:
a. Class
b. Genus
c. Species
d. Phylum
12. Casparian strips are present in cells of root:
a. Cortex
b. epidermis
c. Pericycle
d. Endodermis
13. Closely related classes are grouped into:
a. Family
b. Division
c. Kingdom
d. Order
14. Binomial nomenclature system was given by:
a. Lamark
b. Pasteur
c. Linnaeus
d. De Duve
15. The known species of animals ae:
a. 73.1 million
b. 1.5 million
c. 2.5 million
d. 53.1 million
16. Orders include related:
a. Species
b. Families
c. Classes
d. Genera
17. The genus of corn plant is:
a. Mays
b. Pisum
c. Zea
d. Solanum
18. Solanum esculetum is scientific name of:
a. Onion
b. Potato
c. Tomato
d. Tobacco
19. Botanical name fpr potato is:
a. Solanum tuberosum
b. Solanum melangenu
c. Zee mays
d. Cassic fistula
20. A group of population which can interbreed freely and products fertile offspring is called:
a. Species
b. Population
c. Order
d. Genera
21. In classification, an order is sub-divided into:
a. Genera
b. Classes
c. Species
d. Families
22. The botanical name of corn is:
a. zea mays
b. Avena sativa
c. Solanum tuberosum
d. Triticum aestivum
23. In classification the order of zea mays is:
a. Planate
b. Poles
c. Poaceae
d. Anthophyta
24. Carlous Linnaeus took the scientific namefrom:
a. English
b. Latin words
c. Spanish
d. Greek words
25. Linnaeus published the list of names of plants and animals in:
a. 1756
b. 1750
c. 1758
d. 1763
26. Which one is an insect?
a. Silver fish
b. Hag fish
c. Star fish Starfish
d. Cuttle fish
27. Solanum melangena is scientific name for:
a. Brinjal
b. Onion
c. Tomato
d. Potato
28. Binominal system of nomenclature was derived by:
a. E chatton
b. Robert whittaker
c. Carlous Linnaeus
d. Ernst hackle
29. All organisms are related to one another at some point in their:
a. Embryonic histories
b. Developmental histories
c. Evolutionary histories
d. All of these
30. A group of natural populations which can interbreed freely among themselves and produce fertile offspring, but are reproductively isolated from all other such groups in nature is a:
a. Species
b. Community
c. Genus
d. Individual
31. The highest group in classification is:
a. Phylum
b. Species
c. Kingdom
d. Genus
32. Each kingdom is divided into smaller groups called:
a. Orders
b. Phyla
c. Families
d. Classes
33. A system for naming and classifying the organisms was devised during the 18 century by:
a. Lynx Margullis
b. Louis Pasteur
c. Lean Baptiste de-Lamark
d. Carlous Linnaeus
34. Carlous Linnaeus took the scientific name form:
a. Latin word
b. Greek word
c. Urdu word
d. Arabic word
35. Linnaues’ s system of giving each species a scientific name comprising two words is known as:
a. Nominal nomenclature
b. Binomial classification
c. Binomial nomenclature
d. Linnaeus nomenclature
36. Scientific name for amaltas is:
a. Homo sapiens
b. Allium cepa
c. Solanum tuberosum
d. Cassia fistula
37. Scientific name for man is:
a. Homo sapiens
b. Allium cepa
c. Solanum tuberosum
d. Cassia fistula
38. Botanical name for potato is:
a. Homo sapiens
b. Allium cepa
c. Solanum tuberosum
d. Cassia fistula
39. Botanical name for brinjal is:
a. Solanum malengena
b. Allium cepa
c. Solanum tuberosum
d. Cassia fistula
40. Over one and a half million species of animals and over a half million species of plants are:
a. Extinct
b. Known
c. Disappeared
d. Dead
41. Classification is based on relationship amongst individuals that is similarity in:
a. Function
b. Form
c. Structure
d. Both a & b
42. The kingdom is the highest group in:
a. Categorization
b. Nomenclature
c. Arrangement
d. Classification
43. Class includes related:
a. Families
b. Species
c. Orders
d. Genera
44. Family includes related:
a. Families
b. Species
c. Orders
d. Genera
45. Species includes related:
a. Individuals
b. Families
c. Genera
d. Population
46. Corn belong family:
a. Fabaceae
b. Poaceae
c. Brasicaceae
d. Solanaceae
47. Linnaeus published the list of names of plants in:
a. 1743
b. 1723
c. 1753
d. 1733
48. Large group are divided into smaller group until ……… level.
a. Species
b. Phylum
c. Classes
d. Order
49. Species is the basic unit of:
a. Ecology
b. Genetic
c. Zoology
d. Classification
50. Linnaeus published his list of names of animals in:
a. 1758
b. 1757
c. 1753
d. 1752
51. Phylum includes related:
a. Genera
b. Orders
c. Families
d. Classes
52. Genus includes related:
a. Species
b. Individuals
c. Orders
d. Families
53. Biological name of corn is:
a. Solanum melangena
b. Allium cepa
c. Zea mays
d. Cassia fistula
54. In the five kingdom system of classification developed by Robert Whittaker members of the kingdom Plantae are autotrophic, eukaryotic, and:
a. Either unicellular or multicellular
b. Multicellular
c. Have sexual reproduction
d. Motile
55. Five kingdom system of classification proposed by Margulis and Schwartz is not based on:
a. Nucleic acid
b. Genetics
c. Mode of nutrition
d. Cellular organization
56. John hug proposed the kingdom:
a. Plantae
b. Monera
c. Protectista
d. Fungi
57. Kingdom protoctista was proposed by:
a. Robbert whittaker
b. Herbert copland
c. Mergulis and Schwartz
d. John hogg
58. In five kingdom classification developed by whitteker; member of the kingdom plantae are autotrophic, eukaryote and:
a. Having sexual reproduction
b. Multicellular
c. Motile
d. None of these
59. Eukaryotic multicellular autotrophs are include in kingdom:
a. Protista
b. Animalia
c. Planate
d. Monera
60. The accommodate euglena like organisms and bacteria, kingdom Protista was proposed by:
a. Robert whittaker
b. Ernst hackle
c. e-chatton
d. Linnaeus
61. In 1866, hackle proposed third kingdom known as:
a. Fungi
b. Monera
c. Protista
d. Planate
62. In five kingdom system, eurkaryotic multicellular reducers are placed in kingdom:
a. Fungi
b. Monera
c. Animalia
d. Protista
63. Five kingdom system classification was proposed by:
a. Linnaeus
b. E.chatton
c. Robert Whittaker
d. Ernst Haeckel
64. Plants can prepare their own food from simple inorganic material and store energy so called:
a. Phototrophs
b. Autotrophs
c. Chemotrophs
d. Heterotrophs
65. Animals cannot synthesize their own food from simple inorganic material so called:
a. Saprotrohps
b. Autotrophs
c. Chemotrophs
d. Heterotrophs
66. A third kingdom Protista was proposed to accommodate, Euglena like organisms and bacteria in 1866 by:
a. Linnaeus Carolus
b. E-Chatton
c. Aristotle
d. Ernst Hackle
67. Differentiating terms procariotique to describe bacteria and blue-green algae and the term eu-caritique to describe animal and plant cells was suggested in 1937 by:
a. Linnaeus Carlous
b. Louis Pasteur
c. E-Chatton
d. Ernst Hackle
68. Special forms of heterotrophs that obtain energy and structural material by decomposing (breaking down) and absorbing food substances from the surrounding are:
a. Fungi
b. Protists
c. Animals
d. Bacteria
69. The system of classification associated with three principal modes of nutrition photosynthesis absorption and ingestion was proposed by:
a. Carlous Linnaeus
b. Robert Whittaker
c. Ernst Hackle
d. Margullis & Schwartz
70. Kingdom monera include prokaryotic unicellular organisms such as:
a. Viruses
b. Bacteria
c. Cyanobacteria
d. Both a & b
71. Kingdom protista include eukaryotic predominantly unicellular organisms such as:
a. Phytophthora
b. Euglena
c. Amoeba
d. All of these
72. Kingdom fungi include eukaryotic multicellular reducers for example:
a. Pencillium
b. Mushrooms
c. Yeasts
d. All of these
73. Kingdom animalia include eukaryotic multicellular:
a. Producers
b. Consumers
c. Decomposers
d. Reducers
74. Five kingdoms namely: Monera Protista plantae animalia and fungi were proposed in 1969 by:
a. E-Chatton
b. Robert Whittaker
c. Ernst Hackle
d. Margullis & Schwartz
75. Five kingdoms which are: prokaryotae (Monera) protoctista (Protista) plantae ,animalia and fungi were proposed in 1988by:
a. E-Chatton
b. Robert Whittaker
c. Ernst Hackle
d. Margullis & Schwartz
76. Eukaryotic multi-cellular autotrophs are included in kingdom:
a. Fungi
b. Plantae
c. Monera
d. Animalia
77. ……… are heterotrophic organisms that are absorptive in their nutritional mode:
a. Plants
b. Algae
c. Fungi
d. Protists
78. In 1969, the five kingdom system, was proposed by:
a. Robert Hooke
b. Robert Koch
c. Robert Brown
d. Robert Whittaker
79. The enzymes involved in viral replication are synthesized:
a. By the host cell
b. On the viral ribosomes
c. On the interior surface of vital coat
d. On the interior surface of viral memhrane
80. A virion is a:
a. Viral lysozyme
b. Virus
c. Viral gene
d. Viral protein
81. An isolated virus is not considered living, since it.
a. Rapidly looses its genome chemically inert
b. Separates into two inert parts
c. Is coated with an air tight shield
d. Cannot metabolize
82. In the lytic cycle of a bacteriophage, the host DNA is:
a. Digested in to its nucleotides
b. Replicated
c. Turned on by removal of a protein coat
d. Turned off by a protein coat
83. In the lysogenic cycle, the DNA of a bacteriophage:
a. Is immediately degraded when it enters the host?
b. Joins the bacterial chromosome
c. Goes directly to the host’s ribosome for translation
d. Attaches to the inner surface of the host membrane
84. Temperate phage may exist as:
a. Virioid
b. Prophage
c. Retrovirus
d. Capsid
85. Phylogeny describes a species:
a. Reproductive compatibilities with other species
b. Morphological similarities with other species
c. Geographical distribution
d. Evolutionary history
86. Pigs are reservoirs to:
a. Hepatitis C
b. Hepatitis A
c. Hepatitis D
d. Hepatitis B
87. Which one of the following is false about AIDS:
a. T- lymphocytes
b. HIV
c. Host specific
d. Acquired immune deficiency syndrome
88. Reserve food material in cyanobacteria is in the form of:
a. Proteins
b. Sucrose
c. Glycogen
d. Starch
89. ……… is an anaerobic bacterium.
a. Spirochete
b. Pseudomonas
c. Campylobacter
d. coli
90. More than ten compounds of tar of tobacco smoke are including in causing:
a. Asthma
b. Cancer
c. Emphysema
d. Tuberculosis
91. pox is caused by pox virus which is:
a. DNA enveloped virus
b. DNA naked virus
c. Complex virus
d. RNA naked virus
92. Foot and mouth disease is caused by:
a. Fungi
b. Algae
c. Virus
d. Bacteria
93. Towart in 1915 and D Herelle in 1917 discovered:
a. Bacteriophages
b. Pox virus
c. Herpes virus
d. Adenovirus
94. Which of the following is not caused by virus?
a. Influenza
b. Cholera
c. Polio
d. Hepatitis
95. A major cell infected by HIV is the helper:
a. B- Lymphocyte
b. A- monocyte
c. T- Lymphocyte
d. T-monocyte
96. The smallest known virus are of:
a. Polio
b. Bacteriophage
c. Mumps
d. Small pox
97. Which type of hepatitis leads to chronic liver disease?
a. Hepatitis C
b. Hepatitis A
c. Hepatitis D
d. Hepatitis B
98. Herpes virus is responsible for herper:
a. Triplex
b. Simplex
c. Quardruplex
d. Duplex
99. The mysterious brain infection is caused by:
a. Prion
b. Virion
c. Fungi
d. Bacteria
100. AIDS is caused by:
a. Virus
b. Fungi
c. Lichen
d. Bacteria
101. Small pox is caused by:
a. Fungi
b. Virus
c. Protozoa
d. Bacteria
102. The branch of biology which deals with the study of virus is called:
a. Virology
b. Biology
c. Taxonomy
d. Cytology
103. Measles and mumps are caused by a virus belonging to a group called as:
a. Polio virus
b. Pox virus
c. Adeno virus
d. Paramyxo virus
104. First infectious disease against which, effective method of preservation was developed:
a. Measles
b. Small pox
c. Mumps
d. Yellow fever
105. The smallest known virus contain RNA in spherical capsid are the:
a. Herpes virus
b. Polio virus
c. Influenza virus
d. Pox viruses
106. The number of capsomers in capsid of adenovirus are:
a. 352
b. 152
c. 452
d. 252
107. Infectious hepatitis is caused by:
a. Hepatitis C virus
b. Hepatitis A virus
c. Hepatitis D virus
d. Hepatitis B virus
108. The first step in the replication of bacteriophage is:
a. Injection
b. Penetration
c. Adsorption
d. None of these
109. Prions are made up of:
a. Proteins
b. Lipids
c. Nucleic acid
d. None of these
110. Capsid is made up of protein sub-units as known as:
a. Capomeres
b. Capsidomeres
c. Protomeres
d. capsomeres
111. The virus is surrounded by a protein coat called:
a. Capsid
b. Capsomere
c. Centromere
d. None of these
112. The infections proteins are:
a. Virions
b. Viruses
c. Prions
d. Viroids
113. About 60% of adults are immune of disease:
a. Influenza
b. Mumps
c. Polio
d. Measles
114. Mad cow infection and mysterious brain infection in man are caused by:
a. Prions
b. Bacteria
c. Virion
d. Fungus
115. A disease which is highly contagious is:
a. Influenza
b. Measles
c. Herpes
d. Mumps
116. One of the following is caused by HIV:
a. Malaria
b. Typhoid
c. Sleeping sickness
d. AIDS
117. Bacteriophage replicate only in cell:
a. Bacterial
b. Animal
c. Fungal
d. Plant
118. Hepatitis B is also called:
a. Infusion hepatitis
b. Delta hepatitis
c. Serum hepatitis
d. Infectious hepatitis
119. The number of capsomeres present in herpes virus capsid is:
a. 250 campsomeres
b. 252 capsomeres
c. 100 capsomeres
d. 162 capsomeres
120. The retroviruses have a special enzyme which can convert a single-stranded RNA genome into double standard viral DNA is:
a. Reverse transcriptase
b. Pancreatic
c. Phosphofructokinase
d. Salivary amylase
121. Hepatitis D is also called:
a. Delta hepatitis
b. Serum hepatitis
c. Bacteria hepatitis
d. Infectious hepatitis
122. Paramy virus cause the disease:
a. Mumps &measles
b. Influenza
c. Herpes simple
d. Polio
123. The single stranded RNA-tumor viruses are:
a. Spiral
b. Spherical
c. Cubical
d. Elongated
124. Icosahedral virus a have nearly:
a. 30 faces
b. 10 faces
c. 40 faces
d. 20 faces
125. Influenza virus are:
a. DNA enveloped
b. Enveloped RNA viruses
c. DNA naked viruses
d. Non developed RNA viruses
126. HIV belongs to the group of viruses called:
a. Retrovirus
b. Pox virus
c. Bacteriophage
d. DNA viruses
127. Hepatitis is an inflammation of:
a. Liver
b. Stomach
c. Kidney
d. Pancreas
128. Lytic cycle completion occurs about:
a. 35 min
b. 15 min
c. 05 min
d. 25 min
129. Which of these is also called as serum hepatitis?
a. Hepatitis E
b. Hepatitis A
c. Hepatitis B
d. None
130. The process in which the phage is called a prophage is termed as:
a. Deduction
b. Induction
c. Penetration
d. Lysogney
131. HIV infects and multiplies in:
a. Dog
b. Cat
c. Pigs
d. Monkey
132. About 60% of adults are immune to disease:
a. Influenza
b. Mumps
c. Polio
d. Measles
133. Measles and mumps is caused by virus belonging to a group called as:
a. Polio virus
b. Pox virus
c. Adeno virus
d. Paramyxo virus
134. Viruses are 10 to 1000 times smaller than most:
a. Bacteria
b. Cyanobacteria
c. Euglena
d. Yeast
135. Viruses can reproduce only in animal and plant cells or in microorganisms, where they reproduce by replication. Thus they are:
a. Facultative intracellular parasites
b. Obligate intracellular parasites
c. Facultative extracellular parasites
d. Obligate extracellular parasite
136. A process by which many copies or replicas of virus are formed is:
a. Fission
b. Fragmentation
c. Replication
d. Budding
137. Viruses lack metabolic machinery for the synthesis of their own:
a. Fatty acid &protein
b. RNA &protein
c. Amino acid &protein
d. Nucleic acid& protein
138. The viral genome is surrounded by a protein coat the:
a. Capsid
b. Cap
c. Capsomere
d. Protocoat
139. In some animal viruses the nucleocapsid is covered by another membrane derived from the host cell, the:
a. Cover
b. Sheath
c. Wrapper
d. Envelop
140. The nucleic acid and capsid is collectively called:
a. Capsonucleoid
b. Nucleoid
c. Nucleocapsid
d. Both a & b
141. In general appearance cubical phages are regular solid or icosahedral having:
a. 5 faces
b. 20 faces
c. 2 faces
d. 10 faces
142. In general appearance helical phages are:
a. Spherical
b. Spiral
c. Tadpole shaped
d. Rod shaped
143. An elongated pyramidal, hexagonal prism-shaped structure of bacteriophage is:
a. Trunk
b. Tail
c. Head
d. Neck
144. To end plate six tails fibers are attached in:
a. Bacteriophage
b. Bacteria
c. Virus
d. Cyanobacteria
145. Sometimes the viral DNA is removed from the host’s chromosome and lytic cycle starts. This process is called:
a. Stimulation
b. Introduction
c. Induction
d. Initiation
146. Small pox is the :
a. Enveloped RNA virus
b. DNA enveloped virus
c. Non-enveloped RNA virus
d. Non-enveloped DNA virus
147. Herpes virus is a :
a. DNA virus
b. DNA-RNA virus
c. RNA-DNA virus
d. RNA virus
148. Influenza virus is:
a. Enveloped RNA virus
b. Enveloped DNA virus
c. Non-enveloped RNA virus
d. Non-enveloped DNA virus
149. Poliomyelitis is caused by:
a. Myelitis virus
b. Polio virus
c. Pol virus
d. Both a & b
150. The HIV is transmitted by:
a. Breast feeding
b. Intimate sexual contact
c. Contact with blood
d. All of these
151. hepatitis is an inflammation of the:
a. Stomach
b. Kidney
c. Bladder
d. Liver
152. Hepatitis is usually caused by:
a. Drugs
b. Viral infection
c. Toxic agents
d. All of these
153. Hepatitis is characterized by jaundice, abdominal pain, liver enlargement fatigue and some times:
a. Cough
b. Fever
c. Shivering
d. Cold
154. The hepatitis that passes through blood from mother to child during pregnancy ad afterward by sexual contract is:
a. Hepatitis E
b. Hepatitis A
c. Hepatitis G
d. Hepatitis C
155. Hepatitis C was formerly called:
a. Non-B- Hepatitis
b. Non-A hepatitis
c. Non-D- hepatitis
d. Both a & b
156. People with chronic hepatitis infection are at the risk of damage of:
a. Stomach
b. Kidney
c. Liver
d. Intestine
157. Hepatitis transmitted by the exchange of body fluids, for example blood serum, breast milk and saliva, from mother to child during birth or afterward and by sexual contact is:
a. C
b. A
c. D
d. B
158. Hepatitis B is caused by:
a. DNA virus
b. DNA-RNA virus
c. RNA-DNA virus
d. RNA virus
159. At the time of Louis Pasteur and Robert Koch the word virus was generally referred to as a poison associated with:
a. Death
b. Disease
c. Life
d. Both a & b
160. The word virus is derived from Latin word venome meaning:
a. Harmful fluid
b. Toxic fluid
c. Teasing fluid
d. Poisonous fluid
161. The term vaccination was used by Louis Pasteur for inoculation against:
a. Disease
b. Virus
c. Wounds
d. Bacteria
162. In 1982, Lvanowsky discovered that the agent which caused tobacco mosaic disease was:
a. Washable
b. Riddle able
c. Filterable
d. Drainable
163. Twort in 1915, and D’Herelle in 1917 discovered independently:
a. Viruses
b. Bacteriophages
c. Algae
d. Bacteria
164. Viruses are extremely small infectious agents, which can only be seen under:
a. Electron microscope
b. Compound microscope
c. Telescope
d. Dissecting microscope
165. All viruses are generally resistant to broad range of available antibiotics such as:
a. Tetracycline
b. Penicillin
c. Streptomycin
d. All of these
166. Capsid is made up of protein subunits known as:
a. Capsidomeres
b. Capsomeres
c. Both a & b
d. None of these
167. The capsomeres present in the capsid of adenovirus are:
a. 252
b. 100
c. 352
d. 200
168. Bacteriophages occur in two structural forms having cubical or:
a. Bilateral symmetry
b. Radial symmetry
c. Helical symmetry
d. Asymmetry
169. Among T. phages the T and T phages are mainly used in:
a. Algal studies
b. Bacterial studies
c. E.coli studies
d. Phage studies
170. The overall structure of T4 studied by electron microscopy resembles that of:
a. Tadpole
b. Cub
c. Eaglet
d. Calf
171. The first step in the replication of a bacteriophage is its attachment (adsorption) to hot cell at:
a. Binding site
b. Receptor site
c. Adsorption site
d. Active site
172. Immediately after entering the host cell, the viral nucleic acid takes, the control of the host’s:
a. Synthetic area
b. DNA
c. Biosynthetic machinery
d. Protein
173. About 25 minutes after initial infection, new bacteriophages formed are approximately:
a. 300
b. 100
c. 600
d. 200
174. The phage which causes lysogeny is called:
a. Avirulent phage
b. Temperate phage
c. Lysogenic phage
d. All of these
175. Herpes virus is responsible for herpes:
a. Triplex
b. Simplex
c. Quadruple
d. Duplex
176. Mumps and Measles viruses belong to group:
a. Myxovirus
b. Parvovirus
c. Paravirus
d. Paramyxoviruses
177. About 60% of adults are immune to:
a. Mumps
b. Measles
c. Cow pox
d. Small pox
178. The polioviruses are the smallest known viruses and contain RNA in:
a. Helical capsid
b. Oval capsid
c. Spherical capsid
d. Cubical capsid
179. The single stranded RNA tumor viruses are:
a. Spiral
b. Spherical
c. Cubical
d. Elongated
180. RNA tumor viruses have in diameter abuot:
a. 150nm
b. 10nm
c. 200nm
d. 100nm
181. The AIDS was reported by some physicians in early:
a. 1980’s
b. 1940’s
c. 2000’s
d. 1960’s
182. The major cell infected by HIV is the helper:
a. B-lymphocyte
b. A-monocyte
c. T-lymphocyte
d. T-monocyte
183. Hepatitis A is transmitted by contact with:
a. Spit
b. Faces
c. Body
d. Urine
184. Genetically engineered vaccine is a available for HBV and HAV but not for:
a. HEV
b. HCV
c. HFV
d. HDV
185. The volume of the phage is as compared to the host is about:
a. 1/1000
b. 1/10
c. 1/10000
d. 1/100
186. In 1796, ……… first vaccinated an 8 years old boy with material removed from cowpox lesion on the hand of milkmaid.
a. Louis Pasteur
b. Edward Jenner
c. Twort
d. Edward Jacky
187. The filterable agents were first purified in 1935, when Stanely was successful in crystalizing the _ virus:
a. Hepatitis
b. Polio
c. Influenza
d. Tobacco mosaic
188. Viruses range in size from 250 nanometer (nm) of poxviruses to the 20nm of:
a. Previrus
b. Parvoviruses
c. Protovirus
d. Provirus
189. 162 capsomeres are present in the ……… of herpes virus:
a. Capsid
b. Head
c. Capon
d. Tail
190. The best known phages are T phages that infect:
a. Pseudomonas
b. Salmonella typhi
c. Escherichia coli
d. Mycoplasma
191. The bacteriophage replicates only inside the:
a. Bacterial cell
b. Animal cell
c. Fungal cell
d. Plant cell
192. The tail of bacteriophage releases the enzyme ……… to dissolve a portion of the bacteria cell wall:
a. Ligase
b. Lipase
c. Erypsin
d. Lysozyme
193. The phage which causes lysis of the host cell is known as……… or virulent phage:
a. Lentic
b. Lytic
c. Lysogenic
d. Lotic
194. Most commonly herpes simplex occurs in the mouth, on the lips and at other ……… sites:
a. Active
b. Receptor
c. Skin
d. Binding
195. The retroviruses have a special enzyme called ……… which can convert a single-stranded RNA genome into double stranded viral DNA.
a. Reverse transcriptase
b. Transcriptase
c. DNA polymerase
d. RNA polymerase
196. Cells in ……… system can also be infected by HIV.
a. Circulatory
b. Central nervous
c. Respiratory
d. Digestive
197. Hepatitis A is transmitted by contact with ……… from infected individuals.
a. Blood
b. Water
c. Spit
d. Faces
198. Viruses of hepatitis A,B and ……… are better studied:
a. C
b. D
c. F
d. E
199. Bacteria cannot pass through porcelain filters was found in 1884 by:
a. Charles Chamberland
b. CHarles Loya
c. Robert Koch
d. Charles Boyl
200. D’Herelle used the word bacteriophages meaning:
a. Bacteria hater
b. Bacteria supporter
c. Bacteria eater
d. Bacteria lover
201. The complete mature and infectious viral particle is known as:
a. Prion
b. Virion
c. Both a & b
d. None
202. Non enveloped viruses are known as:
a. Nude virions
b. Bare virions
c. Stripped virions
d. Naked virions
203. The overall structure of T4 studied by electron microscopy ,resembles that of tadpole consisting of:
a. Head & tail
b. Head, neck &tail
c. Trunk & tail
d. Head, neck, trunk &tail
204. Two types of life-cycles have been observed in bacteriophages:
a. Lytic & logic cycle
b. Lytic ^ lysic cycle
c. Lytic & lysogenic cycle
d. Lytic ^ lotic cycle
205. Lysozyme is also made by:
a. Viral RNA
b. Viral DNA
c. All of these
d. Viral protein
206. In small pox, raised fluid-filled vesicles are formed on the body which become pustule later on and form pitted scars, the:
a. Tracheid
b. Vesicles
c. Furrows
d. Pocks
207. Mumps and Measles viruses are:
a. DNA-RNA viruses
b. DNA viruses
c. RNA-DNA viruses
d. RNA viruses
208. The human immunodeficiency virus (HIV) causes:
a. Measles
b. AIDS
c. Mumps
d. Hepatitis
209. In 1986 the AIDS virus was named as:
a. HIDV
b. Human immunodeficiency virus
c. HIV
d. Both a & b
210. Vaccine against HIV has been synthesized and its experimental administration in humans started in early 2001in:
a. South Africa
b. South America
c. Pakistan
d. France
211. Most recent work Halbur and coworker (2001) reveals that pig could be the source of infection of:
a. Hepatitis D
b. Hepatitis A
c. Hepatitis E
d. Hepatitis B
212. By adopting hygienic measures, with routine vaccination and screening or blood/ organ/tissue of the donor we can control:
a. Measles
b. Hepatitis
c. Herpes simplex
d. AIDS