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Natural Science CLEP
Study Material
| Question | Answer |
|---|---|
| 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
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