Explanation:

- Option 1, Uttar Pradesh:

- Known for having the largest population among Indian states.

- Significant rural demographic contributing to the overall figures.

- Highest rural population according to Census 2011.

- Option 2, Odisha:

- Has a considerable rural population but not the highest.

- Mostly agrarian with various villages and rural settlements.

- Option 3, Bihar:

- High percentage of people living in rural areas.

- Sizeable rural population but less than Uttar Pradesh.

- Option 4, West Bengal:

- Substantial rural population.

- Less than Uttar Pradesh and Bihar.

- Option 5, Kerala:

- Smaller state with a lesser rural population compared to others.

- High literacy rate and urbanization.

Your analysis of Uttar Pradesh is on point.