Explanation:

- Option 1: Apex Bank of the Country

- The Central Bank is considered the apex or top bank in a country.

- It plays a pivotal role in shaping monetary policy and maintaining financial stability.

- Option 2: Ownership of the Government

- Central Banks are often owned or controlled by the government.

- They operate independently but serve national interests.

- Option 3: Regulates the entire banking system in the country

- The Central Bank oversees and regulates all other banks.

- Ensures system-wide stability and compliance with financial regulations.

- Option 4: All the above

- This includes all the aspects mentioned above.

Correct Answer: Option 4: All the above