Tulips belong to the Liliaceae family, which is commonly known as the lily family.
Holland. Also known as the Netherlands.
Paris
Tulips belong to the class Magnoliopsida, which is part of the division Angiosperms, commonly known as flowering plants. Within this class, they are classified under the order Liliales and the family Liliaceae. Tulips are known for their distinctive cup-shaped flowers and are popular in gardens and as cut flowers. There are many species and varieties of tulips, each with unique colors and shapes.
The Netherlands, once known as Holland.
If you mean "Holland tulips", it means tulips from Holland.
There are no specific collective noun for tulips. I have seen suggested, an explosion of tulips and a tiptoe of tulips. However, any noun suitable for the situation can be used, for example, a field of tulips, a bouquet of tulips, a bunch of tulips, etc.
No
If you are saying that "1 in 4" of the tulips are red, the answer would be 4 of the tulips are red.
No, tulips are multicellular organisms.
The Netherlands are very famous for their tulips.
Tulips