Step 1: Analyzing Statement-I.
Stock exchanges are primarily responsible for establishing and maintaining a continuous market. This function facilitates the regular buying and selling of securities.
Step 2: Analyzing Statement-II.
The essential roles of stock exchanges include ensuring liquidity and marketability. These allow investors to convert securities into cash efficiently through an active trading environment.
Conclusion: Both statements accurately reflect the core functions of a stock exchange. Therefore,
(C) is the correct choice.