Here are the answers to each question along with a summary of the justification for each choice:
**Q1. What is a unilateral contract?**
**Answer:** b) A unilateral contract is a contract whereby only one party promises to perform an act if the other party performs a stipulated act, but the other party is not under an obligation to perform the stipulated act.
**Justification:** A unilateral contract involves one party making a promise contingent


