A doctor who treats skin diseases:

A. Ophthalmologist

B. Dermatologist

C. Paediatrician

D. Cardiologist

Answer: Option B

Solution(By Examveda Team)

The one word substitution is Dermatologist

Ophthalmologist : who do treatment of disorders and diseases of the eye.
Paediatrician : a medical practitioner specializing in children and their diseases.
Cardiologist : medical practitioner specializing in diseases and abnormalities of the heart.
Dermatologist : medical practitioner concerned with the diagnosis and treatment of skin disorders.