Multiple ChoiceA botanist discovered a mutant plant that is unable to produce the material that forms the Casparian strip. This plant is __________. 1171views1rank
Multiple ChoiceIn a plant root, the one structure that water cannot move past via the apoplast is the __________. 1769views1rank
Multiple ChoiceNormally, when an aphid feeds by puncturing plant tissues, it does not have to suck the sap out. If an aphid, however, inserted its feeding tube in the wrong place, the fluid in the aphid's guts could be sucked out through the feeding tube. What could explain this phenomenon? 1088views
Multiple ChoiceOne of your friends has a terrarium on her windowsill containing various houseplants. She wonders why the glass is often fogged with water droplets. What would you tell her is the cause of the droplets? 1343views
Multiple ChoiceWhich of the following conditions will result in the fastest transport through the xylem in a tree, assuming adequate water supply in the roots? 1257views
Textbook QuestionWhich of the following is an adaptation that enhances the uptake of water and minerals by roots? a. Mycorrhizae b. Pumping through plasmodesmata c. Active uptake by vessel elements d. Rhythmic contractions by cells in the root cortex835views
Textbook QuestionFill in the blanks in this concept map to help you tie together key concepts concerning transport in plants.1448views