BIO 106 Exam 1 WSU Questions and Answers Rated A+

BIO 106 Exam 1 WSU Questions and Answers Rated A+ Which of the following statements is most likely to be true? Water flows into the direction of the lowest water potential. Plasmolysis is a cellular loss of water. How can a cell potentially prevent this? Increasing the cytoplasmic solute concentration What is correct about stomata movement control? Pick the Best. Two of the above. Which tissue will an aphid quite specifically try to suck on? Phloem The water potential in the root of a plant is higher (more positive) than that in the soil. Where does the water move to preferentially? To the soil Which of the following approaches is likely most successful in preventing soil erosion? Farming using contour tillage Which of the following statements is correct about Rhizobia? They are able to generate ammonia from atmospheric nitrogen. Which statements is true about nitrate (NO3-)? Nitrate uptake in plants is an independent process that results in a proton gradient. What are the three main tissues in a plant? Dermal, vascular, ground tissue Which of the following roots is developed in response to low oxygen? Pneumatophores What is a likely reason that tropical trees develop buttress roots? They provide the trees with additional stability support Roots gain length primarily through... elongation growth Leaves are normally photosynthetically active. As a consequence they... Show a net uptake of carbon dioxide. Lateral meristems? Are responsible for secondary growth. What would you normally not find in the root? Trichomes Xylem Sap mainly contains... water and minerals What is the difference between 'heartwood' and 'sapwood'? In contrast to sapwood, heartwood has lost its ability to transport water and minerals. What does the majority of the dry weight of a plant body contains, and where does it come from? Carbon and air Which of the following statements is correct with respect to 'Osmosis'? It is the movement of solvent molecules through a semi-permeable membrane into a region of higher solute concentration. Which of the following processes likely depends