Gloria is a friend of yours. you've noticed that sometimes she seems to be behaving unlike herself. her voice quality and facial expressions aren't like her usual ones. also, the way she dresses is very different from day to day. another friend, a clinical psychologist, tells you that gloria may be suffering from dissociative

a. depersonalization.
b. fugue.
c. identity disorder.
d. amnesia

Option C i.e Identity Disorder is the correct answer.

Dissociative Identity Disorder or multiple personality disorder is a mental disorder. The people with Dissociative Identity Disorder develop alternate personalities which are different from their usual one. It involves disruptions of memory or identity and thus individual's facial expression, voice quality, dressing style etc changes from day to day.

light dependent reactions:

light independent reactions:

hope this !