1 Some people don't like animals.
Общий: Do some people like animals?
Альтернативный: Do some people like or hate animals?
Разделительный: Some people don't like animals, do they?
Специальный: What don't some people like?
К подлежащему: Who doesn't like animals?
2 This plant is very productive.
Общий: Is this plant very productive?
Альтернативный: Is this plant or factory very productive?
Разделительный: This plant is very productive, isn't it?
Специальный: How productive is this plant?
К подлежащему: What is very productive?
3 He has blue eyes and black hair.
Общий: Does he have blue eyes and black hair?
Альтернативный: Does he or she have blue eyes and black hair?
Разделительный: He has blue eyes and black hair, doesn't he?
Специальный: What does he look like?
К подлежащему: Who has blue eyes and black hair?