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24 Terms
What does the Flame symbol mean in GHS Hazard Symbols?
It indicates that the substance is flammable.
What does the Flame over Circle symbol mean in GHS Hazard Symbols?
It signifies that the substance is an oxidiser.
What does the Exploding Bomb symbol mean in GHS Hazard Symbols?
It indicates that the substance is explosive.
What does the Gas Cylinder symbol mean in GHS Hazard Symbols?
It signifies that the substance is a compressed gas.
What does the Corrosion symbol mean in GHS Hazard Symbols?
It indicates that the substance is corrosive.
What does the Skull and Crossbones symbol mean in GHS Hazard Symbols?
It indicates that the substance is toxic.
What does the Exclamation Mark symbol mean in GHS Hazard Symbols?
It signifies that the substance can be harmful or an irritant.
What does the Health Hazard symbol mean in GHS Hazard Symbols?
It indicates that the substance may cause serious health effects.
What does the Environmental Hazard symbol mean in GHS Hazard Symbols?
It indicates that the substance is dangerous to the environment.
What is the Apex of a leaf?
The tip or top part of the leaf.
What is the Base of a leaf?
The bottom part of the leaf where it attaches to the stem.
What is the Margin of a leaf?
The edge of the leaf.
What is the Lamina of a leaf?
The flat, broad part of the leaf also known as the leaf blade.
What is the Midrib of a leaf?
The central vein that runs through the leaf.
What are Veins in a leaf?
The small tubes that carry water and nutrients.
What is the Petiole of a leaf?
The stalk that supports the leaf and connects it to the stem.
What does the Waxy Cuticle do in a leaf?
It protects the leaf and reduces water loss.
What is the Upper Epidermis in a leaf?
The upper layer of cells that protects the leaf.
What is the Palisade Mesophyll?
The layer of densely packed cells where photosynthesis occurs.
What is the Spongy Mesophyll in a leaf?
The layer of loosely packed cells that allow gas exchange.
What are Stomata?
Small openings on the leaf surface that allow gas exchange.
What are Guard Cells?
Cells that control the opening and closing of stomata.
What happens if stomata close?
Carbon dioxide intake decreases, impacting photosynthesis.
How does having a waxy cuticle benefit a leaf?
It minimizes water loss, helping the plant retain moisture.