AP Biology MCQ Practice Exam 1 Questions and Answers Already Passed

AP Biology MCQ Practice Exam 1 Questions and Answers Already Passed 12. Which of the follwing best describes the production of DMSP by coral and coral symbionts? 13. Which of the following best describes the effect of temperature on corals' ability to produce DMSP as shown in Figure 1? 14. Which of the following best describes the difference between the total amount of DSMP produced by adults compared to juveniles at the start of the 32C trial. 15. In addition to the effect of temperature on DMSP produced by corals and theri symbionts, whcih of the following relationships is also being considered in this experiment? 16. What best describes the scientists ́ findings concerning the density of symbionts presented in Figure 2? 17. What best explains the result of adult corals being exposed to elevated temperatures for extended periods? 12. A negative feedback mechanisms that reverses the environmental change. 13. Both juvenile and adult corals produce less DMSP at 27C than at 32C. 14. Adults corals produced 5 times more DMSP than juveniles produced. 15. Effect of additional DMSP produced by symbionts and the corals' age. 16. The symbiont density at 32C was different from the density at 27C on days 5 and 10 of the experiment. 17. They are able to obtain less energy from their symbionts because algae have been expelled. 25. In which of the following tubes did the greatest reduction of DCPIP occurs after 60 minutes? 26. Which claim is best supported by the results? 27. Which of the follwoing best explains how DCMU affected the reaction? 28. Which of following justifies the use of tube 2 as a control treatment? 25. Tube 2 26. Light is required for the electron transport chain to transfer electrons. 27. DCMU acts as an inhibitor to the movement of electrons within the light reaction of photosynthesis. 28. It was a positive control for measuring the effect of DCMU on the reaction. 40. Which of the following best describes what happened to the otter population between 1750 and 1850? 41. Based on the information provided in the passage, Which of the following best describes the effect of harmful algal blooms on otter populations? 42. As otters were removed during the hunting years, there was a large decrease in the catches of fish species from the eelgrass habitats. Which of the following best explains why this decrease happened? 43. Climate change could affect the ecosystem of the Elkhorn Slough in many ways. From the information provided, Which of the following predictions about the direct local effects of climate change is most likely? 44. Based on the information, an increase in the sea slug population would most likely directly related to which of the following? 40. The population lost genetic diversity as a result of a 41. They are a density-independent factor that negatively affects the otter population regardless of its size. 42. Otters are a keystone species, so their disppearance from the area resulted in the collapse of an entire community. 43. Ocean warming will favor population growth of nonnative species as their habitats shift northward. 44. A descrease in the crab population. 52. Based on the data in Figure 1, which of the following best describes the inheritance pattern of Friedreich's ataxia? 53. The probability that individual III-5 will develop Friedreich's ataxia is closest to which of the following? 54. Which of the following statements best describes the results seen in Figure 2? 55. Which of the following best describes the most likely effect of the formation of a triplex DNA strucutre on the synthesis of the frataxin. 56. Which of the following types of bonds is