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

Which of the following group of characteristics is CORRECT in respect of Shigella species found as food pathogen?

  1. Gram positive, motile by gliding, spore forming cocci and transmitted by contaminated food.

  2. Gram negative, motile by flagella, spore forming bacilli and transmitted by contaminated water.

  3. Gram positive, non-motile, non-spore forming cocci and transmitted by contaminated air and water both.

  4. Gram negative, non-motile, non-spore forming and transmitted by fecal-oral route.
Reveal answer Fill a bubble to check yourself
A Correct answer
Multiple choice

This is not a germ

  1. bacteria

  2. fungus

  3. dirt

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

Bacteria, viruses, and fungi are types of germs or microorganisms. Dirt is inanimate matter and not a germ.

Multiple choice

What is a germ?

  1. A piece of dirt that can be found anywhere

  2. A friendly pet that you can get at Walmart

  3. Something that is always bad for you

  4. A pathogen or microbe that can cause disease
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Germs are microorganisms (like bacteria, viruses, or fungi) that can cause disease or infection.

Multiple choice

Which of the following can make you sick?

  1. Going outside without a coat when it is cold

  2. Eating in the cafeteria

  3. Swimming after lunch

  4. Getting germs on the inside or outside of your body
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Sickness is caused by the presence of pathogens (germs) inside or on the body, which disrupt normal function.

Multiple choice

Which of the following are the three types of bacteria that can be pathogenic?

  1. round, rod, cork-screw shaped

  2. cocci, bacilli, spirilla

  3. virus, fungi, protozoa

  4. both a & b
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Pathogenic bacteria are classified by shape: cocci (round), bacilli (rod), and spirilla (corkscrew). Since both the descriptive names and the technical names are correct, option D is the best choice.

Multiple choice botany reproductive morphology significance of fruits fruit plants: structure and function

Which of the following disorders can be cured by Amla?

  1. Liver diseases

  2. Dysentry

  3. Diarrhoea

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Amla is a super-fruit, as it is rich in vitamin A, B and C, calcium, chromium manganese, phosphorous and iron. It also has antioxidant properties. 

It is also called "healing fruit", as it has numerous benefits. Some of its benefits include:

  • Cures constipation and regulates bowel movements.
  • It provides good treatment for diarrhoea and dysentery.
  • It also helps in maintaining a healthy liver.
  • It also protects against the formation of free radicals, therefore its regular intake can prevent cancer.

So, the correct option is 'All of the above'.