Definitive sign of scurvy in X-ray -
Ringed epiphysis (Wimburger sign): It is white ring surrounding the epiphyseal centres of ossicification. It is relatively specific for scurvy.
White line in metaphysis (Freaenkel) can be seen in scurvy, healing rickets, Plumbism, severe PEM, congenital syphilis and acute leukemia
Option b & d are not specific for scurvy.
Ringed epiphysis
Ground glass appearance
White line in metaphysis
Thin cortex