The following diagram is of a cross-section of a plant leaf. Use the diagram to answer the question.
- The main function associated with structure X is ________.
A) absorption of carbon dioxide
B) retention of water
C) collection of light
D) release of carbon dioxide

Question

The following diagram is of a cross-section of a plant leaf. Use the diagram to answer the question. 
- The main function associated with structure X is ________.
A) absorption of carbon dioxide 
B) retention of water 
C) collection of light 
D) release of carbon dioxide

Quizplus · Accepted Answer

Structure X, also known as the cuticle, is a waxy layer on the surface of the leaf that prevents water loss through evaporation, thus retaining water.

The Following Diagram Is of a Cross-Section of a Plant