Term
The plant tissue system most analogous to our circulatory system is the ___. vascular tissue vascular cambium schlerenchyma ground tissue dermal tissue |
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Term
A vandal killed a historic oak tree on the village green by girdling it with a chain saw. He cut through the bark and into the sapwood all the way around the tree. Why did the tree die? The roots could not absorb water. The roots could not get food. The leaves could not get food. The leaves could not get carbon dioxide. Oxygen could not get to the roots. |
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Definition
The roots could not get food. |
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Term
A botanist discovered a mutant plant that is unable to produce the material that forms the Casparian strip. This plant is ___. -able to exert greater root pressure than normal plants -unable to lose water by transpiration -unable to transport water or solutes to the leaves -unable to control the amounts of water and solutes it absorbs - unable to fix nitrogen |
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Definition
-unable to control the amounts of water and solutes it absorbs |
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Term
Ground tissue is composed of undifferentiated cells with thin walls that are usually involved with storage. At the stage in an herbaceous (nonwoody) dicot plant's life when only primary growth has occured, the inner of the ground tissue of a stem is called ___ and the outer portion is called ___. -endodermis... pith -cork... cortex -cambium... cork -pith... cortex -cambium...cortex |
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Definition
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Term
Most of the photosynthesis in plants takes place in specialized ____ cells called the ___. -pith... parenchyma -schlerenchyma... palisades -vascular...collenchyma -dermal...mesophyll -parenchyma...mesophyll |
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Definition
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Term
Collenchyma cells can be recognized by ___. -large central vacuoles -lignin in the cell walls -the presence of chloroplasts -their unevenly thickened cell walls -the lack of nuclei at maturity |
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Definition
-their unevenly thickened cell walls |
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Term
If pure water is separated from a 0.1 M solution in a U-shaped tube by a membrane impermeable to the solute, what will happen? |
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Definition
| Water will diffuse to the solution side until the pressure potential due to a higher water column is equal, but opposite in sign, to the osmotic potential. |
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Term
Which of the following processes is aided by the membrane potential established by the proton pump? -uptake of cations such as K+ -cotransport of anions -cotransport of neutral solutes -the second and third answers -all of the above |
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Definition
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Term
In an apple tree that is producing sugars, sugar might flow from __ to ___. - a growing root... a growing shoot tip -the trunk... a leaf -a developing apple... a mature leaf -a growing shoot tip...the trunk -a leaf... a developing apple |
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Definition
| a leaf... a developing apple |
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Term
The continuum of cell walls connecting neighboring cells is defined as the ____. -symplast -tonoplast -plasmodesmata -apoplast -aquaporin |
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Definition
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Term
Annual rings in wood are evidence that in climates with a single annual growing season, the ___ divides actively when water is plentiful and temperatures are suitable for growth, and ceases to divide when water is scarce and the weather is cold. -lateral meristem -apical meristem -vascular cambium -marginal meristem -cork cambium |
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Definition
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Term
Which of the cells below are involved with bulk flow? -tracheids, vessels, and tonoplasts -tracheids, vessels, and guard cells -tracheids, tonoplasts, and sieve tubes -tracheids, vessels, and sieve tubes -guard cells, vessels, and sieve tubes |
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Definition
-tracheids, vessels, and sieve tubes |
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Term
Leaves consist of ___. -a node and an internode -a bud and a node -an axillary bud and a terminal bud -a blade and a petiole -a bud and a blade |
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Definition
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Term
| Which of the following is the correct arrangement os structures from the inside to the outside of a leaf blade? |
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Definition
| vascular bundle, mesophyll, epidermis |
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Term
When referring to phloem transport, the "sink" in roots is created by ___. -the active transport of mineral ions into xylem cells -the osmosis of water into xylem cells -all of the above -the absorption of water from the soil through epidermal cells -the active transport of sugars from phloem to cortex cells |
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Definition
| -the active transport of sugars from phloem to cortex cells |
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Term
If you pound a nail into a tree 1 meter off the ground and come back to find it in 20 years, it will be ___. |
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Definition
| 1 meter off the ground and more deeply embedded in the tree |
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Term
What contributes directly to the turgor pressure that opens and closes stomata? -potassium accumulation in guard cells -plasmolysis -respiration -guttation -transpiration |
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Definition
-potassium accumulation in guard cells |
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Term
What keeps the force of gravity from overcoming transpirational pull? -cohesion and adhesion of water molecules -high water pressure in the leaves -movement of water toward a sugar sink -upward pressure from the roots -the Casparian strip blocking water molecules from moving out |
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Definition
| cohesion and adhesion of water molecules |
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Term
A cross section of a plant part exposes epidermis, a thick cortex, and a central cylinder of xylem and phloem. This part is a ____. -root -seed -bud -fruit -stem |
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Definition
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Term
The vascular cambium of a stem does not produce ___. -wood -secondary growth -cork -secondary phylum -secondary xylem |
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Definition
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