Biology · Science General

Disease Causative Agents

2,531 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

_______ is not a RNA virus.

  1. Rotavirus

  2. Cypovirus

  3. Parvovirus

  4. Rhinovirus

  5. Picornavirus
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Parvoviruses are linear, non-segmented single-stranded DNA viruses.

Multiple choice

Full form of the infectious disease SARS is

  1. Syndrome Associated with Respiratory Symptoms

  2. Severe Acute Respiratory Syndrome

  3. Severe Asthmatic Respiratory Syndrome

  4. Syndrome Alarm on Respirtory Syndrome
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

SARS stands for Severe Acute Respiratory Syndrome, a viral respiratory illness caused by the SARS-associated coronavirus. The term accurately describes the condition - it's severe (serious), acute (sudden onset), affects the respiratory system, and is a syndrome (collection of symptoms).

Multiple choice

The diseases that can be transmitted through body fluid only are

  1. TB and cholera

  2. typhoid and cholera

  3. cholera and rabies

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

AIDS (HIV) and Hepatitis B are primarily transmitted through body fluids like blood, semen, and vaginal secretions. The other diseases listed have different transmission routes - TB is airborne, typhoid and cholera are waterborne/fecal-oral, and rabies spreads through animal bites (saliva).

Multiple choice

Conjuctivitis is an infection of

  1. Nose

  2. Eyes

  3. Ears

  4. Heart
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Conjunctivitis, commonly known as pink eye, is an inflammation or infection of the conjunctiva - the transparent membrane covering the white part of the eye and inner eyelids. The symptoms primarily affect the eyes.

Multiple choice

Which of the following diseases is not a cattle disease?

  1. Foot and mouth disease

  2. Swelling of udder

  3. Pullorum

  4. Anthrax
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Pullorum disease is a disease of poultry (chickens) caused by Salmonella pullorum, not cattle. Foot and mouth disease, udder swelling (mastitis), and anthrax are all cattle diseases, making Pullorum the correct answer for 'not a cattle disease'.

Multiple choice

A cattle disease which is a threat to human race is _____________.

  1. foot and mouth disease of cattle

  2. swelling of udder

  3. anthrax

  4. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Anthrax is a zoonotic disease caused by Bacillus anthracis that can spread from cattle to humans through contact with infected animals or their products. Foot and mouth disease primarily affects animals and rarely infects humans. Swelling of udder is a symptom rather than a specific disease.