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Leaf Functions
Structures and functions of internal and external leaf parts.
19
Agriculture
11th Grade
08/11/2010

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Cards

Term
What is the name of the cell where photosynthesis occurs?
Definition
Parenchyma cells
Term
What external part of the leaf is made of fatty substances and prevents water from escpaing?
Definition
Cuticle
Term
What are theĀ four main branches of the plant kingdom?
Definition
Mosses, Ferns, Angiosperms, & Gymnosperms
Term
What are two angiosperms?
Definition
Monocot
Dicot
Term
What does "cot" stand for?
Definition
Cotyledon - it means leaves
Term
List three functions of leaves.
Definition
-Capture light.
-Exchange gases.
-Provide a site for photosynthesis.
-Some leaves store food and water.
-Some form new plants and provide support
Term
What is photosynthesis?
Definition
A process where plants turn light energy into chemical energy.

Water and carbon dioxide are combined in the presence of chlorophyll and sunlight to produce carbohydrates and release oxygen.
Term
What happens in the light reaction?
Definition
The light reactions produce chemical energy from light.
Term
What happens during the dark reaction?
Definition
The dark reactions convert carbon dioxide into carbohydrates.
Term
What is the stalk of the leaf that attatches it to the stem?
Definition
Petiol
Term
Define the latin root "ate"
Definition
to resemble, or relate
Term
What is the leaf shape that is wedge shaped, kinda like a triangle?
Definition
Cuneate
Term
What is the leaf shape that resembles a kidney?
Definition
Reniform
Term
What is the leaf shape that has arrow like lobes flaring out?
Definition
Hastate
Term
What happens during the process of photosynthesis?
Definition
Plants take in Carbon Dioxide and light and release Oxygen and Glucose(sugar)
Term
What are the relations between the Stoma and Gaurd Cells?
Definition
The Guard Cells surround the Stoma and they also controll the ability of opening and closing the stoma.
Term
True or False
The main function of leaves is to capture light, exchange gasses, give shade to small insects, amd store food and water?
Definition
False,
giving shade to small insects is just a plus not a main function :)
Term
What is the difference between the veins in a monocot and dicot leaf?
Definition
Monocot leaves have paralell veins where as Dicot leaves veins branch out
Term
What branch of the plant kingdom has a vascular system, has true leaves stems and roots, but nothing else?
Definition
Ferns
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