What Is the Main Force by Which Most of the Water

question 56

Multiple Choice

What is the main force by which most of the water within xylem vessels moves toward the top of a tree?

• A) active transport of ions into the stele
• B) atmospheric pressure on roots
• C) evaporation of water through stoma
• D) the force of root pressure
• E) osmosis in the root

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Definitions:

Dacryoma

A tumor of the lacrimal sac or gland, often related to the tear production system.

Chalazion

A small, usually painless, lump or swelling on the eyelid, caused by a blockage in one of the oil glands.

Blepharitis

An inflammatory condition affecting the eyelids, often associated with irritation, burning, and itching.

Blepharoptosis

A condition characterized by the drooping or falling of the upper eyelid.