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MEDIUM
ENGLISH
Biology
Attachment of the bacteriophage with the receptor site on the bacterial cell wall involves_______________?
A
Strong covalent bond between virion and the receptor site.
Option A
B
Week chemical unior between them
Option B
C
Both A and B depending upon the phage
Option C
D
None of these
Option D
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MEDIUM
ENGLISH
Biology
Which of the following statement about AIDS is incorrect:
A
is a host specific disease
Option A
B
An infected mother cannot pass the virus to her baby.
Option B
C
Results in enlargement of lymph nodes
Option C
D
Can be prevented.
Option D
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MEDIUM
ENGLISH
Biology
Bacteriopahage that infect E. coli are called_____________?
A
M type
Option A
B
N type
Option B
C
T type
Option C
D
S type
Option D
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MEDIUM
ENGLISH
Biology
Complex symptoms like severe pneumonia vascular tumor sudden weight loss swollen lymph nodes and immune deficiency are features of:
A
Polio
Option A
B
Hepatitis
Option B
C
AIDS
Option C
D
HIV
Option D
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MEDIUM
ENGLISH
Biology
An isolated virus is not considered living since it________________?
A
Separates in to two inner parts
Option A
B
Can not metabolize
Option B
C
Rapidly looses its Genome chemical inert
Option C
D
Is coated with an air tight shield
Option D
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MEDIUM
ENGLISH
Biology
Which of the following is the smallest known virus:
A
Hepatitis virus
Option A
B
Retrovirus
Option B
C
Polio virus
Option C
D
Pox virus
Option D
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MEDIUM
ENGLISH
Biology
The agent of controversial nature causing mad cow infection is_____________?
A
Bacteria
Option A
B
Cowpox Virus
Option B
C
Adenovirus
Option C
D
Prion
Option D
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MEDIUM
ENGLISH
Biology
Which of the following virus has special affiliations with the tumor production:
A
Hepatitis virus
Option A
B
Retrovirus
Option B
C
Polio virus
Option C
D
Pox virus
Option D
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MEDIUM
ENGLISH
Biology
Which of the following is incorrect for the lysogenic cycle in life cycle of bacteriophage_____________?
A
Phage when gets incorporated with the bacterial chromosome is called prophage
Option A
B
The bacterium continues to live and reproduce normally
Option B
C
Lysogenic bacteria may get infected by the related phage
Option C
D
The cycle may convert into lytic type resulting from environmental exposure
Option D
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MEDIUM
ENGLISH
Biology
An enzyme which can convert single stranded RNA into double stranded viral DNA is called____________?
A
DNAase
Option A
B
RNAase
Option B
C
DNA polymerase
Option C
D
Reverse Transcriptase
Option D
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MEDIUM
ENGLISH
Biology
In lysogenic cycle the process of spearation of phage DNA from the hosts chromosome and initiation of lytic cycle is called______________?
A
Lysis
Option A
B
Lysogeny
Option B
C
Induction
Option C
D
Adsorption
Option D
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MEDIUM
ENGLISH
Biology
Which of the following disease results in Paralysis due to viral attack on C.N.S:
A
Measles
Option A
B
Herpes simplex
Option B
C
Hepatitis
Option C
D
Polio
Option D
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MEDIUM
ENGLISH
Biology
In life cycle of bacteriophage which step occur after attachment of prophage with the receptor site of the bacterial cell wall_____________?
A
Absorption
Option A
B
Multiplication
Option B
C
Lysogeny
Option C
D
Penetration
Option D
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MEDIUM
ENGLISH
Biology
Tobacco mosaic virus is__________?
A
Spherical
Option A
B
Rod Shaped
Option B
C
Tadpole like
Option C
D
Hexagonal
Option D
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MEDIUM
ENGLISH
Biology
In the Lysogenic cycle the DNA of the bacteriophage__________________?
A
Joins the bacterial chromosomes
Option A
B
Attaches to the inner surface of the host membrane
Option B
C
Is immediately degraded when enters the host
Option C
D
Goes directly to host ribosomes for translation
Option D
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MEDIUM
ENGLISH
Biology
Temperate phage may exist as_____________?
A
Prophage
Option A
B
Capsid
Option B
C
Viron
Option C
D
Retrovirus
Option D
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MEDIUM
ENGLISH
Biology
Which of the following is an RNA virus:
A
Influenza virus
Option A
B
Herpes virus
Option B
C
HBV
Option C
D
Pox virus
Option D
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MEDIUM
ENGLISH
Biology
In the lytic cycle of bacteriophage the host DNA is__________?
A
Replicated
Option A
B
Turn off by the protein coat.
Option B
C
Digested into its nucleotides
Option C
D
Turned on by the removal of the protein coat
Option D
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MEDIUM
ENGLISH
Biology
Pepsinogen is produced from__________?
A
Mucous cells
Option A
B
Parietal cells
Option B
C
Zymogen cells
Option C
D
All of these
Option D
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MEDIUM
ENGLISH
Biology
Carbohydrates, fats & proteins are essential for_______________?
A
Metabolic processes of an organism
Option A
B
Providing energy
Option B
C
Formation of sturctures
Option C
D
All of these
Option D
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