To secure genuine maple syrup, maple tree trunks are "tapped" with metal spigots that interrupt the flow of sap in late winter prior to spring budding. Which of the following would be true of this process?

Question

Quizplus · Accepted Answer

All the statements are true regarding the process of tapping maple trees for syrup. A) The sucrose in the sap originates from photosynthesis in the leaves. B) The sap does flow out with some pressure, although it's primarily from the xylem, not the phloem. C) The water in the sap indeed comes from soil water absorbed by the tree's roots. D) Only a small part of the tree is tapped to avoid harming the tree, as taking too much sap from a large area could damage or kill it.

To Secure Genuine Maple Syrup, Maple Tree Trunks Are "Tapped