Biology · Science General

Disease Causative Agents

2,258 Questions

Disease causative agents questions test your understanding of viral, bacterial, and fungal infections, along with their transmission methods. These are common topics in general science sections of SSC and railways exams. Practice these questions to accurately identify disease pathogens and symptoms.

Viral diseasesFoodborne illnessesDisease transmission methodsExtrinsic disease factorsCommon pathogens

Disease Causative Agents Questions

Multiple choice

The disease transmitted through sexual contact is _____.

  1. cancer

  2. tuberculosis

  3. diabetes

  4. AIDS
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

AIDS (Acquired Immunodeficiency Syndrome) is primarily transmitted through sexual contact, along with other modes like blood transfusion and mother-to-child transmission. The other options listed - cancer, tuberculosis, and diabetes - are non-communicable diseases or spread through different routes, not primarily sexual contact.

Multiple choice

Septicemia is technical name for

  1. Cataract formation in the eyes

  2. Forming of blood clots in a vein or artery

  3. Inflammation of the lungs

  4. Blood poisoning
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Septicemia is the medical term for blood poisoning - a serious bloodstream infection caused by bacteria. It occurs when bacteria enter the bloodstream from an infection site and spread throughout the body. Cataracts involve the eye, blood clots are thrombosis, and lung inflammation is pneumonia.

Multiple choice

Which of the following statements is true regarding chlamydia?

  1. Neisseria gonorrhoeae and chlamydia trachomatis can both result in neonatal eye infections.

  2. Infection with the lymphogranuloma (LGV) strain of chlamydia is the most common cause of pelvic inflammatory disease (PID).

  3. Antibiotic resistance is more common after infection with Chlamydia trachomatis than after infection with Neisseria gonorrhoeae.

  4. Chlamydia trachomatis is a gram-negative diplococcus.

  5. In women, chlamydial infection usually affects clitoris and vagina.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Both gonorrhea and chlamydia can cause neonatal eye infections.

Multiple choice

Which of the following statements is incorrect?

  1. Communicable diseases are transferred from a patient to a healthy person.

  2. Communicable diseases are caused by pathogens.

  3. Communicable diseases spread through some agent.

  4. Communicable diseases can be caused by nutritional deficiency.

  5. Communicable diseases can be caused due to infection.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is incorrect. Non-communicable diseases are caused by nutritional deficiency. Communicable diseases can be due to degeneration of organs or malfunctioning of organs due to infection.