Which one of the following statements is not true with reference to AIDS infection in human beings? |
It is caused by retro viruses. There is always a time lag between the infection and the appearance of symptoms. AIDS does not spread by shaking hands with an infected person. Infected cell can not survive while viruses are being replicated and released. |
Infected cell can not survive while viruses are being replicated and released. |
The correct answer is Option (4) → Infected cell can not survive while viruses are being replicated and released. It is caused by retroviruses. True. AIDS is caused by HIV (Human Immunodeficiency Virus) which is a retrovirus (RNA virus with reverse transcriptase). There is always a time lag between the infection and the appearance of symptoms. True. AIDS does not spread by shaking hands with an infected person. True. Infected cell can not survive while viruses are being replicated and released. Not true. |