WSU BIOLOGY 106 EXAM 1 MOCK TEST WITH
ANSWER RATIONALES 2026
◉ roots.
Answer: Absorbs water and minerals from the ground. Anchors
plant in ground.
◉ Stems.
Answer: Carry substances between roots and leaves; provide
support for plant; holds leaves up to sunlight
◉ leaves.
Answer: The main photosynthetic organs of vascular plants.
◉ Nodes.
Answer: the points at which leaves are attached
◉ internodes.
Answer: the stem segments between nodes
◉ axillary bud.
,Answer: A structure that has the potential to form a lateral shoot, or
branch. The bud appears in the angle formed between a leaf and a
stem.
◉ terminal bud.
Answer: bud at tip of a stem responsible for terminal growth
◉ petiole.
Answer: The stalk of a leaf, which joins the leaf to a node of the stem.
◉ Three plant tissues.
Answer: dermal, vascular, ground
◉ dermal tissue.
Answer: tissue of the plant that makes up the waxy outer layer of the
plant
◉ vascular tissue.
Answer: Plant tissue consisting of cells joined into tubes that
transport water and nutrients throughout the plant body.
◉ ground tissue.
, Answer: tissue between the dermal tissue and vascular tissue of a
non-woody plant that functions in photosynthesis, storage, and
support
◉ Xylem.
Answer: vascular tissue that carries water upward from the roots to
every part of a plant
◉ Phloem.
Answer: Living vascular tissue that carries sugar and organic
substances throughout a plant
◉ parenchyma.
Answer: Fundamental tissue composed of thin-walled living cells
that function in photosynthesis and storage.
◉ Collenchyma.
Answer: type of ground tissue cell with a strong, flexible cell wall;
helps support larger plants
◉ Sclerenchyma.
Answer: type of ground-tissue cell with an extremely thick, rigid cell
wall that makes ground tissue tough and strong
ANSWER RATIONALES 2026
◉ roots.
Answer: Absorbs water and minerals from the ground. Anchors
plant in ground.
◉ Stems.
Answer: Carry substances between roots and leaves; provide
support for plant; holds leaves up to sunlight
◉ leaves.
Answer: The main photosynthetic organs of vascular plants.
◉ Nodes.
Answer: the points at which leaves are attached
◉ internodes.
Answer: the stem segments between nodes
◉ axillary bud.
,Answer: A structure that has the potential to form a lateral shoot, or
branch. The bud appears in the angle formed between a leaf and a
stem.
◉ terminal bud.
Answer: bud at tip of a stem responsible for terminal growth
◉ petiole.
Answer: The stalk of a leaf, which joins the leaf to a node of the stem.
◉ Three plant tissues.
Answer: dermal, vascular, ground
◉ dermal tissue.
Answer: tissue of the plant that makes up the waxy outer layer of the
plant
◉ vascular tissue.
Answer: Plant tissue consisting of cells joined into tubes that
transport water and nutrients throughout the plant body.
◉ ground tissue.
, Answer: tissue between the dermal tissue and vascular tissue of a
non-woody plant that functions in photosynthesis, storage, and
support
◉ Xylem.
Answer: vascular tissue that carries water upward from the roots to
every part of a plant
◉ Phloem.
Answer: Living vascular tissue that carries sugar and organic
substances throughout a plant
◉ parenchyma.
Answer: Fundamental tissue composed of thin-walled living cells
that function in photosynthesis and storage.
◉ Collenchyma.
Answer: type of ground tissue cell with a strong, flexible cell wall;
helps support larger plants
◉ Sclerenchyma.
Answer: type of ground-tissue cell with an extremely thick, rigid cell
wall that makes ground tissue tough and strong
