Explanation:

- Option 1: Central Bank

- The Central Bank is often called the "lender of last resort."

- It provides emergency funds to banks facing financial trouble.

- Its goal is to prevent the banking system from collapsing.

- Option 2: State Bank

- State banks are regional or local banks.

- They don't serve the same purpose as the Central Bank.

- Option 3: Dena Bank

- Dena Bank was an Indian bank, now merged into Bank of Baroda.

- It does not act as a lender of last resort.

- Option 4: World Bank

- The World Bank provides financial and technical assistance to developing countries.

- It does not fit the lender of last resort role in the banking context.

Your answer is right.