BIOLOGY

1. A virus is made up of a DNA or RNA genome inside a protein shell known as:
A. Capsid
B. Host
C. Envelope
D. Zombies
2. A virus can spread through:
A. Contaminated food or water
B. Touch
C. Coughing
D. All the above
3. After which period virus replicates in the body and starts to affect the host?
A. Incubation period
B. Uncoating
C. Penetration
D. None of the above
4. Double-stranded DNA is found in which viruses?
A. Poxviruses
B. Poliomyelitis
C. Influenza viruses
D. None of the above
5.  Name the virus that covers himself with a modified section of the cell membrane and create a protective lipid envelope?

A. Influenza virus
B. HIV
C. Neither A nor B
D. Both A and B

ANSWERS:

1. Ans. A

Explanation: A virus that is made up of a DNA or RNA genome inside a protein shell is known as a capsid. Some viruses have an external membrane envelope.

2. Ans. D

Explanation: Viruses can spread through touch, exchanges of saliva, coughing or sneezing, contaminated food or water and also through insects that carry them from one person to another.

3. Ans. A

Explanation: Virus replicates in the body and starts to affect the host after a period known as the incubation period and symptoms may start to show.

4. Ans. A

Explanation: Double-stranded DNA is found in poxviruses, the bacteriophages T2, T4, T6, T3, T7, Lamda, herpes viruses, adenoviruses, etc.

5. Ans. D

Explanation: Some viruses cover themselves with a modified section of the cell membrane by creating a protective lipid envelope example the influenza virus and HIV.

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Milan Tomic

Hi. I’m Designer of Blog Magic. I’m CEO/Founder of ThemeXpose. I’m Creative Art Director, Web Designer, UI/UX Designer, Interaction Designer, Industrial Designer, Web Developer, Business Enthusiast, StartUp Enthusiast, Speaker, Writer and Photographer. Inspired to make things looks better.

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