Tree Biology Quiz

What is the primary function of the xylem in trees?

• Storage of carbon dioxide

• Defense against pests

• Conduction of water and dissolved minerals

• Production of carbohydrates

What is the primary role of leaves in trees?

• Absorption of water and minerals

• Conduction of carbohydrates

• Production of oxygen

• Photosynthesis and transpiration

What is the primary function of roots in trees?

• Production of oxygen

• Conduction of nutrients

• Absorption of water and minerals

• Storage of carbohydrates

What is the primary role of the cuticle on the outer surface of a leaf?

• Regulate gas exchange

• Minimize desiccation of the leaf

• Control the opening and closing of stomata

• Enhance water loss from the leaf

What is the primary function of the cork cambium in trees?

• Conduction of water and minerals

• Storage of carbohydrates

• Production of xylem and phloem

• Formation of the outer bark

What is the primary function of the branch collar in trees?

• Attachment of branches to the trunk

• Formation of specialized wood

• Protection against desiccation

• Conduction of water and nutrients

What is the primary function of the stomata on the leaf surface?

• Store carbohydrates

• Produce oxygen

• Conduct water and nutrients

• Regulate gas exchange

What is the primary role of the phloem in trees?

• Conduction of water and dissolved minerals

• Storage of carbohydrates

• Defense against pests

• Production of oxygen

What is the primary function of the heartwood in trees?

• Conduction of water and nutrients

• Storage of carbohydrates

• Mechanical support for the tree

• Defense against decay

What is the primary function of the lenticels in the bark of trees?

• Store carbohydrates

• Regulate gas exchange

• Conduct water and nutrients

• Enhance water loss from the bark