Assertion: The spread of AIDS can be prevented by lifelong monogamy and use of disposable syringe.
Reason: AIDS spreads through heterosexuality and contaminated syringe.

Options

A. If both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
B. If both Assertion and Reason are true and the Reason is not the correct explanation of the Assertion.
C. If Assertion is true but the Reason is false.
D. If both Assertion and Reason are false.

Answer

**Step-by-Step Solution:**

1. **Understanding the Assertion:**
- The assertion states that the spread of AIDS can be prevented by lifelong monogamy and the use of disposable syringes. Lifelong monogamy means having one sexual partner throughout life, which reduces the risk of exposure to HIV.

2. **Understanding the Reason:**
- The reason provided states that AIDS spreads through heterosexuality and contaminated syringes. Heterosexuality, in this context, refers to sexual activity with multiple partners, which increases the risk of HIV transmission. Contaminated syringes can transmit HIV when shared among individuals.

3. **Evaluating the Assertion:**
- The assertion is true because lifelong monogamy minimizes the risk of encountering an HIV-positive partner, and using disposable syringes prevents the transmission of HIV through shared needles.

4. **Evaluating the Reason:**
- The reason is also true. AIDS can indeed spread through unprotected sexual contact (especially with multiple partners) and through sharing contaminated syringes.

5. **Determining the Relationship:**
- The reason correctly explains the assertion. By preventing exposure to HIV through monogamy and avoiding shared syringes, the spread of AIDS can be effectively reduced.

6. **Conclusion:**
- Both the assertion and the reason are true, and the reason is the correct explanation of the assertion.

**Final Answer:**
- Both the assertion and the reason are true, and the reason is the correct explanation of the assertion.

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