which of the following shoots are defined as horizontal shoots that grow along the surface
a. stolons
b. pneumatophores
c. tendrils
d. rhizomes
e. bulbs - a. stolons
the most outer layer of the plant root tissue is...
a. epidermis
b. cortex
c. vascular tissue
d. trichomes
e. none of the above - a. epidermis
the plant tissue that is primarily specialized in transporting water and minerals over long distance is
called...
a. root hairs
b. xylem
,c. phloem
d. mesophyll
e. sieve-tubes - b. xylem
which statement is not true?
a. roots gain length primarily through cell division
b. roots gain length primarily through elongation growth - a. roots gain length primarily through cell
division
roots are normally not photosynthetically active. as a consequence they...
a. show a net uptake of carbon dioxide
b. show a net uptake of oxygen - b. show a net uptake of oxygen
what is the difference between apical and lateral meristems?
a. apical meristems are involved with the growth of the plant while lateral meristems are involved with
the transport of food and water
b. apical meristems allow the plant to grow up and lateral meristems allow the plant to grow out
c. lateral meristems are involved with the growth of the plant while apical meristems are involved with
the transport of food and water
d.lateral meristems allow the plant to grow up and apical meristems allow the plant to grow out - b.
apical meristems allow the plant to grow up and lateral meristems allow the plant to grow out
What are meristems?
a. tissues in most plants containing undifferentiated cells, found in zones of the plant where growth can
take place
b. stem cell areas of dark heartwood, surrounded by light sapwood
c. tissues that have no identity, that generate dermal, ground and vascular tissue, but stop being active
after embryogenesis
d. leaf stems that continuously produce new cells to enable plant growth - a. tissues in most plants
containing undifferentiated cells, found in zones of the plant where growth can take place
, what would you normally not find in the root?
a. endodermis
b. epidermis
c. pericycle
d. stomata
e. apical mersitem - d. stomata
phloem sap in contrast to xylem sap normally mainly contains
a. water and amino acids
b. water and sugar
c. sugar and minerals
d. water and minerals - b. water and sugar
what does the majority of the dry weight of a plant body contain, and where does it come from
a. water and soil
b. carbon and air
c. phosphate and photosynthesis
d. minerals and soil
e. oxygen and air - b. carbon and air
movement of the H20 through the cell wall happens in the...
a. apoplast
b. symplast
c. symplast and apoplast
d. tonoplast
e. none of the above - a. apoplast
the casparian strip in the endodermis blocks which pathway
a. apoplast
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