Choose the pair of words that best express a relationship similar to that expressed in the original pair. Botany

Choose the pair of words that best express a relationship similar to that expressed in the original pair. Botany
Past Papers: Board of Revenue (BoR) — Past Paper MCQs BoR Naib Tehsildar — Past Paper MCQs
A: Stars: Astronomy
B: Geology: Earth
C: Student: Class
D: Medicine: Ecology

Botany