Q. What is a common treatment for viral infections?
-
A.
Antibiotics
-
B.
Antivirals
-
C.
Vaccines
-
D.
Surgery
Solution
Antivirals are commonly used to treat certain viral infections.
Correct Answer:
B
— Antivirals
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Q. What is the function of a viral envelope?
-
A.
To protect the host cell
-
B.
To aid in attachment to host cells
-
C.
To replicate viral DNA
-
D.
To produce proteins
Solution
The viral envelope helps the virus attach to and enter host cells.
Correct Answer:
B
— To aid in attachment to host cells
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Q. What is the primary structure of a virus?
-
A.
Cell wall
-
B.
Nucleus
-
C.
Capsid
-
D.
Mitochondria
Solution
Viruses are primarily composed of a protein coat called a capsid that encases their genetic material.
Correct Answer:
C
— Capsid
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Q. What is the role of vaccines in viral infections?
-
A.
Cure existing infections
-
B.
Prevent infections
-
C.
Treat symptoms
-
D.
None of the above
Solution
Vaccines are designed to prevent viral infections by stimulating the immune response.
Correct Answer:
B
— Prevent infections
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Q. What type of genetic material can viruses contain?
-
A.
Only DNA
-
B.
Only RNA
-
C.
Both DNA and RNA
-
D.
Neither DNA nor RNA
Solution
Some viruses contain DNA, while others contain RNA; some can even have both.
Correct Answer:
C
— Both DNA and RNA
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Q. Which of the following is a characteristic of retroviruses?
-
A.
Contain DNA only
-
B.
Use RNA as their genetic material
-
C.
Replicate in the nucleus
-
D.
Are non-infectious
Solution
Retroviruses use RNA as their genetic material and convert it into DNA within the host cell.
Correct Answer:
B
— Use RNA as their genetic material
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Q. Which of the following is a common method of virus transmission?
-
A.
Direct contact
-
B.
Airborne droplets
-
C.
Contaminated surfaces
-
D.
All of the above
Solution
Viruses can be transmitted through direct contact, airborne droplets, and contaminated surfaces.
Correct Answer:
D
— All of the above
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Q. Which of the following viruses is known for causing severe respiratory illness?
-
A.
Ebola virus
-
B.
SARS-CoV-2
-
C.
Zika virus
-
D.
Herpes simplex virus
Solution
SARS-CoV-2 is known for causing severe respiratory illness, particularly COVID-19.
Correct Answer:
B
— SARS-CoV-2
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Q. Which virus is associated with the development of cervical cancer?
-
A.
HIV
-
B.
HPV
-
C.
Hepatitis C
-
D.
Influenza
Solution
Human Papillomavirus (HPV) is associated with the development of cervical cancer.
Correct Answer:
B
— HPV
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Q. Which virus is known to cause the common cold?
-
A.
Influenza virus
-
B.
Rhinovirus
-
C.
HIV
-
D.
Hepatitis B virus
Solution
Rhinovirus is the most common cause of the common cold.
Correct Answer:
B
— Rhinovirus
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