Human Reproductive Health – Sexually Transmitted Infections (STIs): NEET MCQs with Answers

15 free questions on Human Reproductive Health – Sexually Transmitted Infections (STIs) for NEET (UG), starting with previous-year NEET and AIPMT questions. Try each one, then tap Show answer for the answer and a short explanation.

Syllabus covered: Sexually Transmitted Infections (STIs): prevention of sexually transmitted diseases (STD)

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Question 1

Previous-year question
Select the option that includes only sexually transmitted diseases. [NEET 2020]
  1. Gonorrhoea, malaria, genital herpes
  2. AIDS, malaria, filaria
  3. Cancer, AIDS, syphilis
  4. Gonorrhoea, syphilis, genital herpes
Show answer
Answer: (D) Gonorrhoea, syphilis, genital herpes
Explanation: Gonorrhoea, syphilis and genital herpes are all transmitted through sexual contact. Malaria and filariasis are vector-borne diseases spread by mosquitoes, and cancer is a non-infectious disease, so the other options are ruled out.  

Question 2

Previous-year question
Which of the following sexually transmitted diseases is NOT completely curable? [NEET 2019]
  1. Gonorrhoea
  2. Genital warts
  3. Genital herpes
  4. Chlamydiasis
Show answer
Answer: (C) Genital herpes
Explanation: Genital herpes is caused by the herpes simplex virus; the virus persists in the body in a latent state, so the infection is not completely curable. Gonorrhoea and chlamydiasis are bacterial and curable with antibiotics, and genital warts can be removed by treatment.

Question 3

Previous-year question
Which one of the following statements is correct regarding Sexually Transmitted Diseases (STDs)? [NEET 2013]
  1. A person may contract syphilis by sharing milk with one already suffering from the disease
  2. Haemophilia is one of the STDs
  3. Genital herpes and sickle-cell anaemia are both STDs
  4. The chances of a 5-years boy contracting a STD are very little
Show answer
Answer: (D) The chances of a 5-years boy contracting a STD are very little
Explanation: The chances of a five-year-old contracting an STD are indeed very small, since these infections are transmitted mainly through sexual intercourse. Syphilis is caused by Treponema pallidum and is not spread by sharing milk; haemophilia is an X-linked genetic disorder and sickle-cell anaemia an autosomal hereditary disorder.

Question 4

Previous-year question
Which of the following is not a sexually transmitted disease? [NEET 2015]
  1. Trichomoniasis
  2. Encephalitis
  3. Syphilis
  4. Acquired Immuno Deficiency Syndrome (AIDS)
Show answer
Answer: (B) Encephalitis
Explanation: Encephalitis is not a sexually transmitted disease; it is an infectious inflammatory disease of the brain usually caused by bacteria or viruses or by an autoimmune reaction. Trichomoniasis, syphilis and AIDS are all sexually transmitted.

Question 5

Previous-year question
Match the following sexually transmitted diseases (Column I) with their causative agent (Column II) and select the correct option. [NEET 2017] Column I: (A) Gonorrhea, (B) Syphilis, (C) Genital Warts, (D) AIDS Column II: 1. HIV, 2. Neisseria, 3. Treponema, 4. Human Papilloma Virus
  1. A-2, B-3, C-4, D-1
  2. A-3, B-4, C-1, D-2
  3. A-4, B-2, C-3, D-1
  4. A-4, B-3, C-2, D-1
Show answer
Answer: (A) A-2, B-3, C-4, D-1
Explanation: Gonorrhoea is caused by Neisseria gonorrhoeae (A–2), syphilis by Treponema pallidum (B–3), genital warts by Human Papilloma Virus (C–4) and AIDS by the Human Immunodeficiency Virus (D–1).

Question 6

Previous-year question
Which of the following sexually transmitted diseases do not specifically affect reproductive organs? [NEET (Odisha) 2019]
  1. Genital warts and Hepatitis-B
  2. Syphilis and Genital herpes
  3. AIDS and Hepatitis-B
  4. Chlamydiasis and AIDS
Show answer
Answer: (C) AIDS and Hepatitis-B
Explanation: AIDS and hepatitis-B are transmitted through unsafe or unprotected sex but do not specifically affect the reproductive organs — AIDS damages the immune system as a whole and hepatitis-B damages the liver.

Question 7

Previous-year question
Which of the following STDs are not curable? [NEET (Oct.) 2020]
  1. Genital herpes, Hepatitis-B, HIV infection
  2. Chlamydiasis, Syphilis, Genital warts
  3. HIV, Gonorrhoea, Trichomoniasis
  4. Gonorrhoea, Trichomoniasis, Hepatitis-B
Show answer
Answer: (A) Genital herpes, Hepatitis-B, HIV infection
Explanation: Except for genital herpes, hepatitis-B and HIV infection, most other sexually transmitted infections are completely curable if detected early and treated properly. These three are viral infections that persist in the body and cannot be completely cured.
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Question 8

Previous-year question
Select the option including all sexually transmitted diseases. [NEET (Sep.) 2020]
  1. Gonorrhoea, Malaria, Genital herpes
  2. AIDS, Malaria, Filaria
  3. Cancer, AIDS, Syphilis
  4. Gonorrhoea, Syphilis, Genital herpes
Show answer
Answer: (D) Gonorrhoea, Syphilis, Genital herpes
Explanation: Gonorrhoea (Neisseria gonorrhoeae), syphilis (Treponema pallidum) and genital herpes (Herpes simplex Type-II virus) are all sexually transmitted. Malaria and filaria are vector-borne and cancer is not an infectious disease.

Question 9

Previous-year question
Venereal diseases can spread through [NEET 2021] I. Using sterile needles. II. Transfusion of blood from infected person. III. Infected mother to foetus. IV. Kissing. V. Inheritance. Choose the correct answer from the options given below
  1. I, II and III
  2. II, III and IV
  3. II and III
  4. I and III
Show answer
Answer: (C) II and III
Explanation: A venereal or sexually transmitted disease spreads mainly by sexual contact, but also by transfusion of blood from an infected person (II) and from an infected mother to the foetus (III). Sterile needles are safe, casual kissing does not transmit these infections, and they are not inherited.

Question 10

Previous-year question
Which one of the following common sexually transmitted diseases is completely curable when detected early and treated properly? [NEET 2023]
  1. Gonorrhoea
  2. Hepatitis-B
  3. HIV infection
  4. Genital herpes
Show answer
Answer: (A) Gonorrhoea
Explanation: Gonorrhoea, caused by the bacterium Neisseria gonorrhoeae, is completely curable with antibiotics if detected early and treated properly. Hepatitis-B, HIV infection and genital herpes are viral and are not completely curable.

Question 11

Previous-year question
A sexually transmitted disease caused by bacteria is [1994]
  1. syphilis
  2. leprosy
  3. pertussis
  4. AIDS
Show answer
Answer: (A) syphilis
Explanation: Syphilis is caused by the spirochaete Treponema pallidum and is transmitted through sexual contact and from mother to foetus across the placenta. Leprosy and pertussis are bacterial but are not sexually transmitted, and AIDS is caused by a virus.

Question 12

Previous-year question
(NEET 2017) Match STDs with causative agents: A. Gonorrhoea - II. Neisseria; B. Syphilis - III. Treponema; C. Genital Warts - IV. Human papilloma virus; D. AIDS - I. HIV.
  1. A-II; B-III; C-IV; D-I
  2. A-I; B-II; C-III; D-IV
  3. A-III; B-IV; C-I; D-II
  4. A-IV; B-I; C-II; D-III
Show answer
Answer: (A) A-II; B-III; C-IV; D-I
Explanation: Direct mapping: A-II, B-III, C-IV, D-I.

Question 13

Previous-year question
(NEET 2019) Which STD is NOT completely curable?
  1. Gonorrhoea
  2. Genital warts
  3. Genital herpes
  4. Chlamydiasis
Show answer
Answer: (C) Genital herpes
Explanation: Genital herpes (viral) is not completely curable; others are curable.

Question 14

Previous-year question
(NEET 2020 Covid) Which STDs are NOT curable?
  1. Chlamydiasis, Syphilis, Genital warts
  2. HIV, Gonorrhoea, Trichomoniasis
  3. Gonorrhoea, Trichomoniasis, Hepatitis B
  4. Genital herpes, Hepatitis B, HIV infection
Show answer
Answer: (D) Genital herpes, Hepatitis B, HIV infection
Explanation: Hepatitis-B, Genital herpes and HIV are not completely curable; the others are.

Question 15

Previous-year question
(NEET 2020) Select the option including all sexually transmitted diseases:
  1. Gonorrhoea, Malaria, Genital herpes
  2. AIDS, Malaria, Filaria
  3. Cancer, AIDS, Syphilis
  4. Gonorrhoea, Syphilis, Genital herpes
Show answer
Answer: (D) Gonorrhoea, Syphilis, Genital herpes
Explanation: Gonorrhoea, Syphilis, Genital herpes are all STDs; Malaria, Filaria, Cancer are not.

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