Identify whether the underlined part of the given sentence are phrases or clauses

Q.1. Identify whether the underlined part of the given sentences are phrases or clauses
a. Meri's goal was the best part of the match
b. Simi wanted to know where Raunak had.
c. I purchased a leather handbag at the fair.
d. We live in a house built by my grandmother.
e. Since it was exam, I studied seriously.
f. The silken gown that she had worn was exquisite