system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Neurotic depression may be characterised by all except -a) Ravenous appetiteb) Hypersomniac) Increased libidod) Weight gain
assistant
The correct answer is  Dysthymia (neurotic depression) present with mild depressive symptoms (not severe symptoms like ravenous appetite).

"Increased libido does not occur as a symptom of depression".         Advanced abnormal psychology 2nd/e 309

For symptoms of dysthymia (neurotic depression) see the table of diagnostic criteria in text.