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Questions:

Q1. Viruses are ------------- parasites.

Q2.Adenovirus is an example of ----------- virus

Q3. Influenza is an example of ---------------- virus.

Q4. Retroviruses contain --------------- as a genetic material.

Q5. The two surface glycoproteins in HIV are ------------.

Q6. According to ICTV families and subfamilies end with the suffix ------------ and ------------- respectively.

Q7. gp 120 and gp41 help in the ------------------------------- of viruses to the cell surface.

 

Answers:

• 1.  Obligate

2.  DNA

3.  RNA

4.  RNA

5.  gp 120 and gp 41

6.  Viridae , virinae

7.  attachment