Question

presence of a sunflower - shaped crystal on osazones test reveals the presence of *
maltose
glucose
fructose
sucrose
option 2

Explanation:

In osazone test, maltose forms sun - flower shaped crystals. Other sugars form different shaped osazone crystals. Glucose, fructose and sucrose do not form sun - flower shaped crystals in osazone test.

Answer:

A. Maltose