Viruses MCQs
Viruses MCQs
Try to answer these Viruses MCQs and check your understanding of the Viruses subject. Scroll down and let's begin!
1: Artificially stimulating antibodies to a disease is called _____.
A. Immunization
B. Variolation
C. Capsid
D. Vaccination
2: Viral dna makes mrna by the process of _____
A. Replication
B. Infection
C. Translation
D. Lysis
E. Transcription
3: What is a virus?
A. A single-celled organism
B. A non-living infectious agent
C. A type of bacteria
D. A plant pathogen
4: Which of the following is a characteristic of viruses?
A. Ability to replicate on their own
B. Presence of cellular structure
C. Dependence on a host cell for replication
D. Ability to perform photosynthesis
5: How do viruses reproduce?
A. Through binary fission
B. Through mitosis
C. By budding or bursting out of the host cell
D. By exchanging genetic material with other viruses
6: What is the outer protein coat of a virus called?
A. Capsid
B. Envelope
C. Nucleocapsid
D. Core
7: Which of the following is true about the genetic material of a virus?
A. It is always composed of DNA
B. It is always composed of RNA
C. It can be either DNA or RNA
D. It does not contain any genetic material
8: What is a bacteriophage?
A. A virus that infects bacteria
B. A type of harmful bacteria
C. A virus that infects plants
D. A virus that infects animals
9: How do enveloped viruses differ from non-enveloped viruses?
A. Enveloped viruses have an outer lipid membrane, while non-enveloped viruses do not
B. Non-enveloped viruses are larger in size than enveloped viruses
C. Enveloped viruses only infect plants, while non-enveloped viruses infect animals
D. Non-enveloped viruses have a higher rate of mutation compared to enveloped viruses
10: Which of the following is an example of a DNA virus?
A. Influenza virus
B. HIV (Human Immunodeficiency Virus)
C. Herpes simplex virus
D. Ebola virus
11: What is the primary mode of transmission for many viruses?
A. Sexual contact
B. Direct contact with contaminated surfaces or bodily fluids
C. Inhalation of airborne particles
D. Ingestion of contaminated food or water
12: Which of the following diseases is caused by a virus?
A. Tuberculosis
B. Malaria
C. Measles
D. Lyme disease
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Viruses MCQs
