Which of the following is a mode of transmission for $HIV$?

Which of the following statements is true regarding $AIDS$?

How many of the following statements regarding the transmission of $AIDS$ are correct?
$(a)$ $AIDS$ is transmitted by using the belongings of an infected person.
$(b)$ It can be transmitted through organ transplantation.
$(c)$ It can be transmitted through blood donation.
$(d)$ It can be transmitted from mother to child through the placenta.
$(e)$ It spreads through droplet infection via sneezing and coughing.
$(f)$ It is transmitted from a breastfeeding mother to her child.
$(g)$ It can be transmitted through the saliva of a patient.

Which enzyme helps in the replication of viral $RNA$ genome into viral $DNA$ within macrophages?

Which diagnostic test would you suggest for a patient suffering from Acquired Immunodeficiency Syndrome $(AIDS)$?

Immune deficiency syndrome in humans could develop as a consequence of