Final Exam Study Guide Flashcards
A modified stem or leaf that is used to climb a support structure is known as a ________.
Tendril
What is the name of the root type that has several thin roots branching out in many directions?
Fibrous roots
What is the name of the highly compressed underground stem with food storage leaves?
Bulb
What is the name of the region found in the center of some stems and made up of loosely packed, thin walled cells?
Pith
What is the purpose of roots hairs?
Allow the plant to absorb more water and nutrients
Softwoods tend to…
A. Have high density wood
B. Be conifers
C. Grow slowly
D. Be deciduous
E. None of the above
B. Be conifers
What leaf arrangement do pine trees typically have?
Fascicled
A __________ completes its life cycle in two growing seasons with flowering and seed production taking place in the second season,
Biennial
In __________, a hormone produced in the apical bud prevents the growth of axillary buds.
Apical dominance
The ________ is the mark found on the stem after the leaf has fallen.
Leaf scar
__________ is a word that describes plants that lose all its leaves in the fall or winter.
Deciduous
A plant that does not produce wood is known as a ______.
Herb
Draw a leaf that has pinnate venation.
Draw on paper.
Draw a leaf structure and include the petiole, internode, and blade.
Draw on paper
Draw a pinnately compound leaf.
Draw on paper
Draw a palmately compound leaf.
Draw on paper
What is the difference between a thorn and a prickle?
Prickle: Easily removed growth from the epidermis
Thorn: Modified growth that is a stem that is not easily removed
Give three differences between monocots and dicots.
Monocot:
- Petals in 3
- Single cotyledon
- Vascular bundle in a ring
Dicot:
- Petals in 4 or 5
- Two cotyledons
- Vascular bundle scattered
What are two functions of the root system.
Provides food storage
Assists with dispersal of water and nutrients
Give two differences between angiosperms and gymnosperms.
Angiosperm:
- Seeds enclosed in fruit
- Usually deciduous
Gymnosperms:
- Naked seed
- Usually evergreen
Define botany.
The study of plants and how they interact in the world
The “trap” in the Venus fly trap is a modified _____.
Leaf
Draw a lanceolate leaf.
Draw on paper.
What is the name of the organelle that produces energy?
Mitochondrion
What is the name of the meristem found in monocots near leaf bases.
Intercalary meristem
What is the name of the tissue that consists of dead cells with thick walls, and provides strength and support for the plant?
Sclerenchyma
What are the two cells that make up xylem tissue?
Tracheids and vessel elements
What is the name of the system that consists of elongated parenchyma cells that are closely packed and conduct photosynthesis.
Palisade mesophyll
Sketch a cross section of a herbaceous dicot stem.
Include the bundle cap, cortex, vascular cambium, phloem, epidermis, pith, and xylem.
Draw on paper
The _______ is the part of the root where the cells become specialized.
Zone of maturation
The two types of permanent tissues are _______ and _______.
Simple tissue and complex tissue
The ______ is the waxy barrier found on the endodermis that forces water to pass through the cells of the endodermis instead of between them.
Casparian strip
The _______ is a simple tissue of cells on the outside that protects the plant.
Epidermis
Meristems that produce _________ growth increase the length of the plant or plant part.
Primary
Draw the cell and label the primary cell wall, secondary cell wall, nucleus, cell/plasma membrane, chloroplast, vacuole.
Draw on paper
What is the function of the pericycle?
Lateral meristem responsible for producing lateral roots
What tissues does the vascular cambium produce?
Secondary xylem and secondary phloem
What is the function of the phloem?
Transports food from leaves to other parts of the plant
List the components that make up bark.
Phloem, cortex, cork cambium, cork
Define plant tissue.
Collection of cells made of similar structure participating in a similar function.
Define ecosystem.
Geographic area with biotic species and abiotic elements such as weather or landscape features.
Give two adaptations of plants growing in the tundra.
Grows in clumps
Dark in colour
The organelle responsible for conducting photosynthesis is known as the _________.
Chloroplast
What pigment is responsible for absorbing light during photosynthesis?
Chloroplast