MDCAT BIOLOGY-Biodiversity (SMART INSTITUTE)

A colorful and informative infographic showcasing various types of viruses, including bacteriophages and their life cycles, suitable for a biology quiz about biodiversity.

MDCAT Biology: Explore Biodiversity

Welcome to the MDCAT Biology quiz centered on Biodiversity! Test your knowledge on various aspects of bacteriophages, viruses, and their interactions with host organisms.

Prepare yourself for an engaging experience featuring:

  • Multiple Choice Questions
  • Focus on viruses and their life cycles
  • Insights into pathogenicity and host interactions
60 Questions15 MinutesCreated by StudyingVirus47
01-In which step of life cycle of bacteriophage, tail releases enzyme lysozyme?
Attachment
Penetration
Adsorption
Injection
02-Bacteriophage is an example of
Obligate intracellular parasite
Facultative intracellular parasite
Obligate ectoparasite
Facultative endoparasite
03-It is an RNA non-enveloped virus
Poliovirus
Influenza virus
Pox virus
Herpes virus
04-The particles which don't have nucleic acid as their hereditary material:
Virions
Viroids
Prions
Non-enveloped virus
05-Capsomeres are present in viral capsid are
Amino acids
Fatty acids
Protein fragments
Peptidoglycan
06-Pathogenicity of bacteriophage is due to its
Envelope
Nucleic acid
Tail
Capsid
07-Plasmids are
Viruses
Restriction enzymes
Circular DNA
Single stranded DNA
08-Mouth, lips and skin are affected due to the infection of:
Pox virus
Paramyxovirus
Herpes virus
Adenovirus
09-Tumor causing virus is:
DNA enveloped
RNA enveloped
DNA non-enveloped
RNA non-enveloped
10-AIDS will lead to
Liver cirrhosis
Mental retardation
Opportunistic infection
Angina
11-Mad cow infection is caused by
DNA
Virulent phage
Prion
MRNA
12-Hepatitis A and E is transmitted by contact with .......... From infected individuals.
Serum
Feces
Blood
Saliva
13-HIV is
Retrovirus
RNA tumor virus
Oncovirus
All of these
14-Number of capsomeres present in adenovirus and herpes virus are ........ and ........ respectively.
225, 162
252, 162
522, 161
252, 126
15-Major cells that are infected by HIV are
B lymphocytes
Natural cells
T-Helper cells
T-lymphocytes
16-It acts as a template strand for Reverse Transcriptase
Viral DNA
Viral RNA
Host DNA
T-lymphocytes
17-One of the following is not correct about lysogeny
Temperate
Resistance to bacteria
Master-slave relation
Prophage
18-All of the following are enveloped viruses except
Measles
HCV
Retroviruses
HAV,HEV, Poliovirus
19-The phenomenon of Transcription in HIV life cycle occurs in
Nucleus
Cytoplasm
Inside viral capsid
None of these
20-Genetically engineered vaccine is present for
Hepatitis A
Hepatitis C
AIDS
Hepatitis B
21-A bacteriophage that causes bursting of host is called as
Virulent/lytic
Prophage
Temperate
Lysogenic
22-Induction leads to
Attachment
Penetration
Lysis
Adsorption
23-Herpes simplex virus usually does not involve
Mouth
Skin
Lips
Lungs
24-Viruses may not replicate in
Blood plasma
A plant cell
Skin cell
Hepatocyte
25-Nucleic acid is the only component of
Virus
Viroid
Virion
Prion
26-Pick the correct order:
Landing-attachment-tail contraction-penetration-DNA injection
Attachment-tail contraction-landing
Lysis-tail contraction-DNA injection
Penetration and unpluging-DNA injection-Tail contraction
27-All of the following have RNA except ......... virus.
Herpes
Polio
Paramyxovirus
Influenza
28-Pox virus equals the size of
E.coli
Bacillus subtilis
Mycoplasma
Vibrio
29-The persons suffering from AIDS may further be affected by a fungal disease leading to death
Aspergillosis
Mycosis
Migraine
Candidiasis
30-Where can viruses replicate?
Animals
Bacteria
Plants
All of these
31-These are largest animal viruses
HIV
Covid-19
Poxviruses
HBV
32-Viruses don't have
Fossil record
Reproductive ability
Traces in history
Nucleic acids
33-In plants, tumors are induced due to
Bacteria
Fungi
Viruses
All of these
34-Cell theory doesn't explain
Fungi
Algae
Virus
Protista
35-WOF have no nucleic acids
Bacteria
Prions
Virus
Viroid
36-It is a biological weapon
Radiation
Virus
Chemical
All of these
37-Virus transmission is affected by
Biotic factors
Physical factors
Chemical factors
Both biotic and physical factors
38-Viruses are ....... Entity between living and non-living.
Balanced
Threshold
Transitional
None
39-Virus when attack on unfamiliar organism, it is mutated many times and come as:
More virulent and dangerous
More transmissible
More mutated
All of these
40-Viruses are classified into many groups on the basis of
Nucleic acids
Host cell infectivity
Capsid symmetry
None of these
41-Viruses use WOF enzyme for break-down of bacterial cell wall?
Lysozyme
Proteases
Lipase
Nuclease
42-Viral protein and genome in host cell are assembled at:
Cytoplasm
Cell membrane
Cell wall
Cell matrix
43-Virus can bud from
RER
NUCLEAR ENVELOPE
GOLGI COMPLEX
ALL OF THESE
44............ Refers to removal or breakdown of capsid.
Uncoating
Integration
Assembly
Maturation
45-Which viruses enter the host cell as a whole?
Plant virus
Animal virus
Bacteriophages
None
46-The branch that deals with the study of viruses is known as?
Entomology
Epidemiology
Virology
Bacteriology
47-Louis Pasteur made vaccine for
Rabies
Fowl cholera
Anthrax
All of above
48-According to Iwanowski, what are soluble living germs?
Bacteria
Fungi
Viruses
Both bacteria and viruses
49-When was the bacteriophage phenomenon rediscovered by D'Herelle?
1918
1920
1917
1990
50-When was bacteriophages discovered by Twort?
1915
1910
1920
1820
51-Virus that was discovered in 1901
Yellow fever
Bacteriophages
Tobacco mosaic
Corona
52-Earliest life form on earth is
Virion
Prion
Viroid
None of these
53-It is very stable and allows viruses to exist in water, air and the ground:
Nucleoproteins
Tail of virus
Nucleocapsid
None of above
54-The complete, mature and infectious particle is known as:
Capsid
Bacteriophage
Virion
Nucleus
55-Virus is composed of
Nucleic acid and capsid
Genome
RNA only
Capsid
56-Protein coat of a virus enclosing nucleic acid is called?
Vector
Plasmid
Capsid
Genome
57-What molecule would you not expect to find in a retrovirus?
Adenine
Uracil
Thymine
Guanine
58-What is size of Parvovirus?
200 nm
20 nm
30 nm
100 nm
59-The viral DNA or RNA is produced by
Shell of lipids
Shell of carbohydrates
Shell of proteins
Shell of amino acids
60-What type of virus is the small pox virus?
DNA enveloped virus
DNA virus
RNA enveloped virus
RNA enveloped virus
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