Ronald Ross discovered the cause of:

A. Polio
B. Malaria
C. AIDS
D. All of these

🧠 Explanation:

Ronald Ross discovered malaria’s cause, linking it to mosquitoes. For biology students, this highlights medical history, making it a key topic for studying microbiology, medicine, and public health. Ross saved lives. Understanding this clarifies disease transmission. It’s essential for analyzing biology, medicine, and public health. Studying Ross’s discovery offers insights into how science fights disease, crucial for biology, medicine, and health sciences.