Viruses MCQs Test 02 Preparation Online

1. Which of the following characters justify the living nature of viruses?

A. They can synthesize proteins for forming capsid

B. They can multiply within host cells

C. All of these

D. They have capability of mutations

2. Protective sheath in virus is called?

A. Plasma membrane

B. None of these

C. Capsid

D. Sarcolemma

3. Which of the following characters justify the non-living nature of viruses?

A. All of these

B. Absence of metabolism and enzymes

C. Property of being crystallized and stored in the bottles

D. Non-cellular structure of viruses

4. "Smallest virus is 10m in size while largest known virus is 350m, whether this statement is?

A. Partially wrong

B. None of these

C. Correst

D. Wrong

5. In a virus, the virion consists of?

A. Capsid and DNA

B. Capsid and RNA

C. None of these

D. Capsid and both nucleic acids

6. "TMV (Tobacco Mosaic Virus) is rod whaped while Polio and Influenza viruses are spherical" whether this statement is?

A. True

B. Partially false

C. None of these

D. False

7. The enzymes helping a virus to penetrate into host cell by dissolving its wall is?

A. Phosphorylase

B. Neuroaminidiase

C. Nuclease

D. Cellulase

8. "Core" in the virus is made up of?

A. Nuclear membrane

B. Cellulose

C. Nucleic acids

D. Plasma membrane

9. Which is first known human viral disease?

A. Yellow fever

B. Polio

C. Typhoid

D. Influenza

10. Term bacteriophage is given to?

A. A bacteria which is parasite on viruses

B. A virus which is a parasite on bacterium

C. None of these

D. Both (a) and (b)

Viruses MCQs Test 02 Preparation Online

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