Understanding Viruses and Their Impact

What is the primary structural component that encases the genetic material of a virus?

• Cell wall

• Protein coat

• Lipid bilayer

• Cytoplasm

Which of the following is a characteristic that differentiates viruses from bacteria?

• Ability to reproduce independently

• Presence of a nucleus

• Dependency on host cells for replication

• Having a cell membrane

What type of genetic material can be found in viruses?

• Only DNA

• Only RNA

• Either DNA or RNA

• Both DNA and RNA simultaneously

Which of the following is an example of a DNA virus?

• Influenza virus

• HIV

• Herpes simplex virus

• Rabies virus

What is the role of retroviruses in infectious diseases?

• They cause bacterial infections

• They integrate their genetic material into the host's DNA

• They only infect plants

• They are used in vaccines

Which of the following viruses is known to cause the common flu?

• HIV

• Influenza virus

• Ebola virus

• Hepatitis B virus

Bacteriophages are viruses that infect which type of organism?

• Plants

• Animals

• Bacteria

• Fungi

Which of the following is a characteristic of RNA viruses?

• They have a double-stranded DNA genome

• They replicate using reverse transcription

• They have a single-stranded RNA genome

• They are not infectious

What is the primary reason viruses are not considered living organisms?

• They do not have a cellular structure

• They can mutate

• They have genetic material

• They can cause diseases

Which virus is known for causing acquired immunodeficiency syndrome (AIDS)?

• Influenza virus

• Herpes simplex virus

• HIV

• Rabies virus