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Natural Science CLEP

Study Material

QuestionAnswer
What are the names of the two organ systems of a plant? shoot system and root system
What are the three types of tissue that a plant has? dermal, ground, vascular
___covers the outer surface of herbaceous plants and is composed of epidermal cells that secrete a waxy substance to prevent water loss. the dermal tissue
___comprises the bulk of the primary plant body. the ground tissue
___transports food, water, hormones and mineral within the plant. the vascular tissue
A generalized plant cell type,___ parenchyma cells are alive at maturity and aid in storage, photosynthesis, and as the bulk of ground and vascular tissues. parenchyma
___cells support the plant and are characterized by thickenings of the wall. They are alive at maturity. collenchyma
___cells support the plant and are characterized by thickenings in their secondary walls. They are dead at maturity. sclerenchyma
___is a term applied to woody walls of certain cells of plants. They tend to conduct water and minerals from roots to leaves. xylem cells
___ are long and tapered with angled end-plates that connect cell to cell. They are located in the Xylem. tracheid cells
___are short and wide and lack end plates. They only occur in angiosperms. They are located in the Xylem. vessel cells
___conduct food from leaves to the rest of the plant. They are alive at maturity and are usually located outside the xylem. phloem
The two most common cells in the phloem are the ____ and the ____. companion cells and sieve cells
___function to prevent water loss and acts as a barrier to fungi and other invaders. epidermal tissue
To facilitate gas exchange between the inner parts of the leaves, stems, and fruits, plants have a series of openings known as____ stomata (singular stoma)
___are bean shaped cells covering the stomata opening. They regulate exchange of water vapor, oxygen, and carbon dioxide through the stoma. guard cells
___have one "seed leaf", veins in the leaves run parallel, and the arrangement of primary bundles in the stem are scattered. monocots
___have two cotyledons, veins in the leaves are usually netlike, and the arrangement of the primary bundles are in a ring. dicots
___attracts insects and other pollinators. petals
___makes pollen anther
___traps pollen stigma
___pollen travels through it to reach the ovary pistil
___provides support stamen
___contains egg cells ovary
___formerly protected the flower bud sepals
Water enters the root and is transported up to the leaves through specialized plant cells known as____. xylem
___is defined as the distance from peak to peak (or trough to trough). wavelength
The longer the wavelength of visible light is the more____ the color. red
The shorter the wavelengths are towards the ___side of the spectrum. violet
___ is the term used to describe wavelengths that are longer than red. infrared
___is the term used to describe wavelengths that are shorter than violet. ultraviolet
A___ is any substance that absorbs light. pigment
The ___ is the structural unit of photosynthesis. thylakoid
Thylakoids are stacked like pancakes in stack known collectively as___. grana
Created by: Rachael333