BOT 331 Module 4 Botany /Herb Exam Questions With Correct Answers

Active transport is the reverse of transpiration. - Answer false If the concentration of solutes outside of a plant cell is greater than the concentration on the inside, water will - Answer move out of the cell Tension in the leaf xylem is due to the adhesive and cohesive properties of water as well as transpiration. - Answer true If a cell stockpiles a substance through the expenditure of energy, the process involved must be __________. - Answer active transport If imbibition was inhibited, what would not occur? - Answer breaking open of the seed coat of germinating seeds The direction of movement of food molecules in plants is __________. - Answer from source to sink The cohesion of water molecules, their adhesion to the walls of narrow tubes, and the resulting rise of water in the tubes is called - Answer capillarity during gylcosis - Answer 2 NADH molecules are produced from each glucose molecule. Photosynthesis can be defined as the conversion of light energy to biochemical energy. - Answer true In the process of photosynthesis, which molecule becomes reduced? - Answer c02 Predict what would happen to the rate of photosynthesis if green light is not available. - Answer the rate would be unaffected Energy conversion in plants takes place with 100% efficiency unlike energy conversion in machines. - Answer false The energy released from a glucose molecule during fermentation is only a fraction of the energy released during aerobic respiration. - Answer ture if cytokinin is not present, the most significant impact of this loss would be on ___________. - Answer cell division Grass leaves may roll up in dry weather when certain cells lose their turgor. - Answer true If auxin was unavailable commercially, what would be impacted? - Answer Stimulatation of the production of adventitious roots on stem and leaf cuttings Differentiation refers to changes in the structure of a cell so that it can perform a specific function. - Answer true As the manager of a nursery, during the winter months you need to cause your active plants to become dormant. What could you use to initiate this dormancy? - Answer Abscisic acid Absicsic acid is associated with maintaining __________ in buds and seeds. - Answer dormancy A simple device that rotates a potted plant slowly about a horizontal axis is a __________. - Answer clinostat