Answer:
You walk into a room with a match, a kerosene lamp and a fireplace. Which do you light first?
Old Mcdonald had this
What must you give before you can keep it?
You use it between your head and your toes, the more it works the thinner it grows. What is it?
This is a plant named after a light source. What is it?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.