Question :(a) Name the group of viruses responsible for causing AIDS in humans. Why are these viruses so named? (b) List any two ways of transmission of HIV infection in humgns, other than sexual contact.

Question :(a) Name the group of viruses responsible for causing AIDS i

1.	Question :(a) Name the group of viruses responsible for causing AIDS in humans. Why are these viruses so named? (b) List any two ways of transmission of HIV infection in humgns, other than sexual contact.
Answer» Solution :(a) Retrovirus : These are named so because they have RNA genome. They have reverse transcriptase enzyme which carries on the processes `RNto DNAto RNA`. (b) (i) Through INFECTED blood transfusion. (ii) Sharing SYRINGES, needles. (III) In children born to HIV MOTHERS.