Chapter Questions
Carbon, hydrogen, and oxygen are examples of ______ for plants.a. macronutrientsb. micronutrientsc. trace elementsd. essential elementse. both a and d
$A$ ______ strip in endodermal cell walls forces water and solutes to move through root cells, not around them.a. cutinb. ligninc. Caspariand. cellulose
The nutrition of some plants depends on a root-fungus association known as a ______ a. root noduleb. mycorrhizac. root haird. root hypha
In phloem, organic compounds flow through ______ a. collenchyma cellsb. sieve tubesc. vesselsd. tracheids
Water evaporation from plant parts is called ______ a. translocationb. expirationc. transpirationd. tension
Water transport from roots to leaves occurs by ______ a. pressure flowb. differences in source and sink solute concentrationsc. the pumping force of xylem vesselsd. cohesion-tension among water molecules
In daytime, most plants lose ______ and take up ______ a. water; carbon dioxideb water; oxygenc. oxygen; waterd. carbon dioxide; water
At night, most plants conserve ______ and ______ accumulates.a. carbon dioxide; oxygenb. water; oxygenc. oxygen; waterd. water; carbon dioxide
Match the concepts of plant nutrition and transport.$$ \text {stomata} \quad \quad\quad\quad\quad \text {a. evaporation from plant parts} $$$$ \text {nutrient} \quad \quad\quad\quad\quad \text {b. harvesting soil nutrients} $$$$ \text {$\operatorname{sink}$} \quad \quad\quad\quad\quad \text {c. balance water loss with carbon dioxide requirements} $$$$ \text {root system} \quad \quad\quad\quad\quad \text {d. cohesion in water transport} $$$$ \text {hydrogen bonds} \quad \quad\quad\quad\quad \text {e. sugars unloaded from sieve tubes} $$$$ \text {transpiration } \quad \quad\quad\quad\quad \text {f. organic compounds distributed through the plant body} $$$$ \text { translocation} \quad \quad\quad\quad\quad \text {g. element with roles in metabolism that no other element can fulfill} $$