Option 1: The statement that A.O. Hume was an ornithologist is not mentioned in the question. Therefore, we cannot determine if this statement is true or false based on the information provided.
Option 2: The question states that A.O. Hume was a member of the Indian Civil Service. This means that he was part of the administrative body that governed British India. Therefore, this statement is true.
Option 3: The question explicitly states that A.O. Hume founded the Indian National Congress. This is a well-known fact and is therefore true.
Option 4: The question states that A.O. Hume presided over the Congress Annual Sessions twice. However, the correct answer is that this statement is not true. According to the information provided in the question, there is no mention of A.O. Hume presiding over any Congress Annual Sessions.
In conclusion, the statement that is not true in respect to A.O. Hume is option 4.