Lead people, children or animals seem/are naive. They can ask questions like a small child. In school, at lectures or seminars, they ask interjection questions, asking you the ears off your head. Often they go into so much detail that you wonder what use this information can give them. They are/appear to be often useless questions..... Why, [...]

Leadwort - Ceratostigma willmottianum These people are very inquisitive and diligent. They ask you their ears off, going into so much detail that you wonder what use this information can give them. They are usually useless questions... why are bananas crooked? They seem to ask for the sake of asking [...]