AIDS spreads due to

Options

A. Homosexuality
B. Infected needles and syringes
C. Infected mother to foetus
D. All of these

Answer

### Step-by-Step Solution:

1. **Understanding AIDS**:
- AIDS stands for Acquired Immunodeficiency Syndrome.
- It is caused by the Human Immunodeficiency Virus (HIV).

2. **Identifying the Causative Agent**:
- The causative agent of AIDS is the HIV virus, which is a type of RNA virus.
- HIV is also known as a retrovirus because it contains the enzyme reverse transcriptase, which allows it to convert RNA into DNA.

3. **Modes of Transmission**:
- AIDS spreads through several key modes of transmission:
- **Sexual Contact**: The virus can be transmitted through unprotected sexual intercourse with an infected person.
- **Mother to Fetus**: An infected mother can transmit the virus to her child during pregnancy, childbirth, or breastfeeding.
- **Blood Transfusion**: Receiving blood from an infected donor can also spread the virus.
- **Infected Needles and Syringes**: Sharing needles or syringes with someone who is infected can lead to transmission.

4. **Evaluating Options**:
- Given the modes of transmission, we can evaluate the provided options:
- **Homosexuality**: This is a form of sexual contact, so it is a correct option.
- **Infected Needles and Syringes**: This is also a correct mode of transmission.
- **Infected Mother to Fetus**: This is another correct mode of transmission.
- Since all the provided options are correct, the answer is "All of the above".

5. **Final Answer**:
- Therefore, AIDS spreads due to all the mentioned modes of transmission.