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69 questions
Most trees grow _________.
sideways
15-20 feet tall
as tall as a 30 story building
a mile high
Between the bark and the sapwood is the _______________________.
taproot
branches
inner bark
heartwood
The stem of a tree is called the __________.
sap
branch
trunk
taproot
From the article you can determine that the taproot and fibrous roots ____________.
grow the same way
grow differently
make food for the tree
are covered with leaves
Tubes that carry water are in the
sapwood
heartwood
bark
inner bark
The tough outside layer of a tree is called _________.
trunk
bark
inner bark
heartwood
What is the mixture of water and minerals in a tree called?
sap
sapwood
taproot
fibrous roots
What is a system of roots called?
sapwood
heartwood
taproot
fibrous roots
What grows between the bark and sapwood?
taproot
sap
inner bark
heartwood
Which tree part is this?
bark
trunk
limb
pinecone
Which part of the tree is this?
bark
pinecone
limb
trunk
Which part of the tree is this?
bark
pinecone
needle
trunk
Which part of the tree is this?
bark
pinecone
trunk
limb
Which part of the tree is this?
needle
branch
tree
bark
This is made up of dense, dead wood that provides strength and support for the tree.
Phloem
Sapwood
Chlorophyll
Heartwood
This part brings water and nutrients up from the roots to the leaves.
Sapwood
Phloem
Cambium
Heartwood
This is a very thin layer of tissue that makes cells which become new sapwood OR inner bark.
Xylem
Cambium
Phloem
Heartwood
This part carries "food" from the leaves to the rest of the tree.
Xylem
Phloem
Cambium
Heartwood
This protects the tree from injury caused by insects, animals, humans, disease, and fire.
Xylem
Phloem
Heartwood
Bark
These anchor the tree in the ground and absorb water and nutrients from the soil.
Rocks
Outriggers
Roots
Xylem
These use sunlight, carbon dioxide, and water to create food for the tree.
Branches
Taproots
Leaves
Lateral roots
This green pigment helps leaves absorb the sunlight needed to perform photosynthesis.
Chlorophyll
Xylem
Phloem
Cambium
This byproduct of photosynthesis is beneficial to humans and the environment.
Carbon dioxide
Nitrogen
Glucose
Oxygen
Photosynthesis is the process of converting
Light energy to mechanical energy
Light energy to chemical energy
Mechanical energy to chemical energy
Thermal energy to mechanical energy
Select the correct term for the following definition:
"The water transport system in plants."
Villi
Bronchi
Bolus
Xylem
Select which of the following statements are true for xylem.
Tubular shape with no cross walls.
Transportation of food and nutrients.
Elongated, tubular shape with thin walled sieve tubes.
Occupy the center of the vascular bundle.
Water and mineral transport from roots to aerial parts of the plant.
Recall what is dissolved in the water in the xylem.
Glucose
Amino acids
Mineral ions
Starch
Recall what the pathway of water from roots to leaves is called.
Respiration
Translocation
Transpiration stream
Evaporation
Recall what substance is used to thicken and strengthen xylem walls in woody plants.
Protein
Mineral ions
Lignin
Glucose
Select the correct term for the following definition:
"The nutrient transport system in plants."
Enzyme
Guard cells
Phloem
Proteins
Select which of the following statements are true for phloem.
Bi-directional movement (up and down stem).
Elongated, tubular shape with thin walled sieve tubes.
Transportation of feed and nutrients.
Occupy the centre of the vascular bundle.
Water and mineral transport from roots to aerial parts of the plant.
Recall the main funtion of a phloem cell.
To transport nutrients (mainly sucrose) to different parts of a plant.
To transport water to different parts of a plant.
To make energy for the plant via photosynthesis.
To provide structural support to a plant.
Recall which of the following form part of the phloem.
Sieve-tube elements
Trachieds
Vessels
Companion cells
Phloem tubes are made of...
Dead cells
Living cells
Xylem tubes transport substances..
From the roots to the stem and leaves
From the leaves to the rest of the plant
Phloem tubes transport substances..
From the roots to the stem and leaves
From the leaves to the rest of the plant
Xylem tubes transport..
Water
Mineral ions
Food substances (e.g. sucrose)
Phloem tubes transport..
Water
Mineral ions
Food substances (e.g. sucrose)
Phloem tubes transport substances in which direction?
Up
Up and down
Xylem tubes transport substances in which direction?
Up
Up and down
Which process are the xylem tubes part of?
Translocation
Transpiration
The ______________, whose primary function is food production, is composed of the leaves, branches, twigs, and flowers.
Roots
Trunk
Crown
Heartwood
________ is the living xylem that transports water and nutrients up from the root.
Cambium layer
Heartwood
Inner Bark
Sapwood
This transfers water and other nutrients from the roots to the grown. This is where the most useful wood for production is found.
Crown
Trunk
Cambium Layer
Heartwood
Underground structures that anchor the tree and take up water, nutrients and minerals from the soil.
Roots
Inner bark
Outer Bark
Trunk
This functions like a backbone and supports the tree. It composes most of the trunk and is made up of dead xylem cells.
Inner bark
cambium layer
Sapwood
Heartwood
The cell layer that produces new bark (phloem) and new wood (xylem) every year.
Inner Bark
Sapwood
Cambium Layer
Outer Bark
The supply line that carries food from leaves to branches, stem and roots.
Inner Bark
Outer Bark
Trunk
Sapwood
Dead phloem cells that protect the tree from diseases and insects.
Inner Bark
Trunk
Outer Bark
Crown
How many different products can be made from trees?
about 200
over 5,000
1,000
500
The tiny fibers that make up wood.
chlorophyll
cellulose
glucose
wood pulp
The chemical that binds wood fibers together.
leaves
sap
cellulose
lignin
What is the percentage of a tree NOT used for some type of product?
less than 10%
50%
75%
90%
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