Which of the following statements related to disease management is/are correct?
(A) Biological management of disease makes use of hyperparasitism.
(B) Thiram is a contact fungicide.
(C) Bordeaux mixture consists of copper sulfate, ammonium carbonate, and water.
(D) Crop rotation is a prophylactic measure of disease management.
Choose the correct answer from the options given below:

Correct option is A

· Hyperparasitism is when one parasite attacks another parasite, used in biological disease control.
· Thiram is a contact fungicide that prevents seed and soil-borne fungal diseases.
· Bordeaux mixture contains copper sulfate, lime, and water, not ammonium carbonate.
· Crop rotation helps break disease cycles by reducing pathogen persistence.