In which of the following year almost the entire area of present Uttar Pradesh was separated from Bengal Presidency and placed under Agra Presidency?

Correct option is C

In the year 1834 A.D., the entire region that is now Uttar Pradesh was cut off from the Bengal Presidency and given to the Agra Presidency.
Before that, the area was governed by the Bengal Presidency, which the British East India Company had formed in 1765 following the Battle of Buxar.