Latest Diseases General Knowledge(GK) Questions and answers

1 .

Which one among the following is not correct about Downâ€™s syndrome?

A)

Effected individual has early ageing

B)

It is a genetic disorder

C)

Effected person has mental retardation

D)

Effected person has furrowed tongue with open mouth

Correct Answer : Effected individual has early ageing

2 .

What does niacin deficiency cause ?

A)

Acne

B)

Pellagra

C)

Scurvy

D)

Boils

Correct Answer : Pellagra

Pellagra is a condition caused by low levels of niacin or its precursor tryptophan. Niacin deficiency results in the condition of pellagra, which includes the triad or "three D's," dermatitis, dementia, diarrhea, and can result in death.

3 .

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)

Both A and B

D)

None of the above

Correct Answer : Both A and B

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

4 .

A virus can spread through :

A)

Contaminated food or water

B)

Touch

C)

Coughing

D)

All of the above

Correct Answer : All of the above

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.

5 .

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

Correct Answer : Incubation period

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.

6 .

Double-stranded DNA is found in which viruses?

A)

Poliomyelitis

B)

Poxviruses

C)

Influenza viruses

D)

None of the above

Correct Answer : Poxviruses

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

7 .

Based on host range, viruses are classified into :

A)

Bacteriophage

B)

Insect virus

C)

Stem Virus

D)

Both A and B

Correct Answer : Both A and B

There are four different types of viruses based on the type of host namely Animal viruses, Plant viruses, Bacteriophage and Insect virus.

8 .

Name the virus that is transmitted through the biting of infected animals, birds, and insects to a human?

A)

Rabies Virus

B)

Ebola Virus

C)

Flavivirus

D)

All the above

Correct Answer : Transmission of the virus through the biting of infected animals, birds, and insects to humans is known as Zoonoses. Examples: Rabies virus. Alphavirus, Flavivirus, Ebola virus, etc.

9 .

Which of the following statement is correct about viruses?

A)

Viruses do not contain a ribosome.

B)

Viruses can be categorised by their shapes.

C)

Both A and B

D)

Viruses can make protein.

Correct Answer : Both A and B

10 .

A virus is made up of a DNA or RNA genome inside a protein shell known as :

A)

Capsid

B)

Host

C)

Zombies

D)

Envelope

Correct Answer : Capsid

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.