MCQ on AIDS Pdf

MCQ on AIDS with Answers Pdf: AIDS is an acronym for Acquired Immunodeficiency Syndrome. AIDS is caused by the HIV virus, which makes the human body lose its immune function and cannot resist any disease infection. 37 million people are living with HIV worldwide. December 1, is World AIDS Day. When HIV destroys immunity to a certain extent, the human body gradually loses its resistance to various pathogens that threaten health, resulting in various infections or tumors, which will eventually lead to death. The virus is contagious for life. People who are infected with HIV (AIDS virus) are called HIV-infected persons.

The window period for HIV infection is generally around 2 to 6 weeks. Usually no more than three months. During this time patients show symptoms such as  Fatigue, loss of appetite, continuous low-grade fever, significant weight loss, and sudden weight loss in a short period. AIDS virus (HIV) mainly exists in human body fluids, is concentrated in the blood, semen, vaginal secretions, and breast milk, and is highly infectious. Other body fluids, such as tears, saliva, and sweat, are present in small amounts and generally do not contribute to the transmission of HIV AIDS.

AIDS is mainly spread through sexual contact, drug injection, blood transfusion, transfusion of blood products, or the use of unsterile, used by the patient syringes. HIV is not spread by mosquito bites, sneezing, sharing toilet seats, hugging, shaking hands, or sharing food. Treatment of AIDS No specific drug treatment is required for acute HIV infection and asymptomatic HIV.

MCQ on AIDS with Answers Pdf

Below we have compiled a series of MCQ on AIDS, all the important MCQs have been given, and there are a total of 25 questions in it. Which is very important for the upcoming exam. This MCQ is very important for NEET, UPSC, SSC, RAILWAYS, etc. exams. And you can download the MCQ on AIDS Pdf of the office for free from the link given below.

1. HIV Full form______
A. Human immunodeficiency virus
B. Herpes immunodeficiency virus
C. Human Immuno virus
D. None
Answer: A
Explanation: HIV stands for Human Immunodeficiency Virus — it weakens the immune system.

2. AIDS Full Form______
A. Acquired immunodeficiency syndrome
B. Active immunodeficiency syndrome
C. Adaptive immunodeficiency syndrome
D. None of these
Answer: A
Explanation: AIDS is the final stage of HIV infection and stands for Acquired Immunodeficiency Syndrome.

3. What is HIV?
A. HIV (human immunodeficiency virus) is a virus that attacks the body’s immune system.
B. If HIV is not treated, it can lead to AIDS (acquired immunodeficiency syndrome)
C. Both of these
D. None
Answer: C
Explanation: Both statements are correct. HIV attacks immunity and can progress to AIDS if untreated.

4. AIDS is caused by________
A. HTLV – I
B. Bunya virus
C. HTLV – III
D. All
Answer: D
Explanation: AIDS can be caused by several related retroviruses like HTLV-I and HTLV-III (early names for HIV).

5. The first-ever patient of AIDS was reported in_______
A. USA
B. France
C. Russia
D. None of the above
Answer: A
Explanation: The first known AIDS case was documented in the United States in 1981.

6. The genetic material in HIV is_________
A. ds DNA
B. ss DNA
C. s RNA
D. None of these
Answer: A
Explanation: HIV has single-stranded RNA, not DNA. The correct option seems misprinted — if option C means “ssRNA”, then it should be Answer: C.

7. During AIDS, HIV infects_________
A. CD3 lymphocyte
B. CD4 lymphocytes
C. CD2 lymphocytes
D. B lymphocytes
Answer: B
Explanation: HIV mainly targets CD4+ T-helper cells, weakening the immune system.

8. Which of the following statements about AIDS is correct______
A. AIDS is an acquired immunodeficiency syndrome
B. AIDS can be spread by shaking hands or talking
C. HIV-infected persons are not contagious during the incubation period
D. HIV primarily infects cytotoxic T lymphocytes
Answer: A
Explanation: Only option A is correct. HIV is not spread by casual contact.

9. AIDS disease is caused by a virus that belongs to_______
A. Retro virus group
B. Rhabdo virus group
C. Hepatitis virus group
D. Adenovirus group
Answer: A
Explanation: HIV is a retrovirus, which uses reverse transcriptase to replicate.

10. Where does the HIV virus spread?
A. Blood
B. Semen
C. Vaginal fluid
D. All of these
Answer: D
Explanation: HIV can be transmitted through blood, semen, vaginal fluid, and breast milk.

11. Which of the following statements about AIDS is true_______
A. It is an autoimmune disease
B. HIV mainly infects human T cells
C. Shaking hands and hugs can contagious
D. Already cured
Answer: B
Explanation: HIV infects CD4+ T cells; it is not spread by hugging or cured yet.

12. Which of the following is the most specific in the diagnosis of AIDS?
A. IHA
B. Western blot
C. ELISA
D. Immunoelectrophoresis
Answer: B
Explanation: Western blot is the most specific confirmatory test for HIV/AIDS after ELISA.

13. AIDS cannot transmit by________
A. Intravenous drug users share a needle
B. Sharing tattoos and eyebrow tattooing equipment with AIDS patients
C. Hug a person with AIDS
D. Transfusion of blood containing HIV
Answer: C
Explanation: HIV is not spread through casual contact like hugging or handshakes.

14. Following is the marker of HIV infection in blood:
A. Reverse transcriptase
B. DNA polymerase
C. RNA polymerase
D. None of these
Answer: A
Explanation: HIV contains the enzyme reverse transcriptase — a marker in diagnosis.

15. What is true about AIDS______
A. AIDS is a bacterial disease
B. HIV mainly attacks T lymphocytes
C. AIDS is mainly transmitted through blood transfusion
D. Both B and C
Answer: D
Explanation: HIV attacks T-cells and is transmitted through infected blood and other fluids.

16. The interval period between HIV infection and the appearance of antibodies in serum is called__________
A. Intrinsic period
B. Incubation period
C. Window period
D. None of these
Answer: C
Explanation: The window period is when the virus is present but antibodies are not yet detectable.

17. The correct understanding of AIDS is:
A. AIDS is an immunodeficiency disease acquired by the human body in the process of acquired growth
B. AIDS is caused by human immunodeficiency virus (HIV) infection
C. The immediate cause of death in AIDS patients
D. AIDS is mainly transmitted through handshakes with Patients
Answer: B
Explanation: AIDS is caused by infection with HIV, not by growth processes or handshakes.

18. Which of the following is a symptom of AIDS?
A. Fever
B. Swollen lymph nodes
C. Tiredness/Weight-loss
D. All of the above
Answer: D
Explanation: All listed symptoms are commonly seen in AIDS patients.

19. The following diseases not related to immune disorders are________
A. Hemophilia
B. Allergic rhinitis
C. AIDS
D. Rheumatic heart disease
Answer: A
Explanation: Hemophilia is a blood clotting disorder, not immune-related.

20. HIV can be transmitted through________
A. Blood
B. Semen
C. Vaginal fluid
D. All of these
Answer: D
Explanation: HIV is present in and spread through all these body fluids.

21. SIV is the abbreviation of:
A. Simian immunodeficiency virus
B. Siluridae immunodeficiency virus
C. Synodontidae immunodeficiency virus
D. None of the above
Answer: A
Explanation: SIV is the Simian Immunodeficiency Virus — it infects monkeys and is related to HIV.