Animal Health: Diseases, Parasites & Biosecurity is one of 9 topics in the Grade 12 Agricultural Sciences CAPS syllabus, covered across 3 lessons on Study Vault. Below are real practice questions from this topic with full worked answers.
Sample practice questions
Easy
1. Which of these is an example of a non-infectious disease?
Milk fever (a metabolic disorder around calving)
Foot-and-mouth disease (viral)
Brucellosis (bacterial)
Ringworm (fungal)
Answer: Milk fever (a metabolic disorder around calving) — Milk fever is a metabolic disorder caused by a sudden calcium demand around calving, not by an infectious pathogen.
Easy
2. Foot-and-mouth disease is caused by which type of pathogen?
A virus
A bacterium
A fungus
A protozoan
Answer: A virus — Foot-and-mouth disease is a highly contagious viral disease affecting cloven-hoofed livestock.
Medium
3. Name the three interacting elements of the "disease triangle" needed for a disease outbreak (name at least one).
Answer: susceptible host — The disease triangle consists of a susceptible host, a virulent pathogen/cause, and a favourable environment.
