Bio 278 Sample Questions for exam 2

Bio 278 Sample Questions for exam 2 - Sample Questions for...

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Sample Questions for exam 2: Below are several questions from last year that are relevant to this year’s exam 2. Note that the actual exam will have more questions and cover more topics. Okay. Take a deep breath. Read the question. Now. Take another deep breath and Read the question Again. Answer the question. MULTIPLE CHOICE. Answer by filling in the appropriate bubble on your scantron. (3 pts each) 1) The world-famous cave explorer, Cliff Spelunker, has become trapped far below the ground in an area of absolute darkness where the temperature always remains a brisk 55 degrees. There is a source of air, and, amazingly, his two-way radio is able to reach his support crew far above at ground level. The support crew starts to dig him out, but it appears that rescue will take several days. To save radio batteries, Cliff tells the crew he’ll check in each morning right after he wakes up. On the first day, he contacts them at 6 a.m., on the second at 7 a.m., and on the third at 8 a.m. Cliff is waking 1 hour later each day because, in the darkness, he has 1) a free-running, endogenous rhythm 2) an innate circannual rhythm 3) an entrained circadian rhythm 4) 1 and 2 both 5) 1 and 3 both 2) In early spring, green anole females are blindfolded and placed in cages with a) normal males, b) castrated males, or c) no males. The growth of the females’ ovaries was then monitored. Which of the following is the likeliest result? 1) females placed with no males present have the slowest ovarian growth, but females in the other two groups (a and b) both have rapid growth 2) females placed with normal males show rapid ovarian growth, but those in the other two groups (b and c) have very slow growth 3) females in each group have slow rates of ovarian growth 4) females with normal males have the fastest rate of ovarian growth, those with castrated males have a medium rate, and those with no males have a slow rate 3) Evidence that allows the specific conclusion that the brain of Hyalophora cecropia
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This note was uploaded on 04/02/2008 for the course BIOL 278 taught by Professor Lohmann during the Spring '08 term at UNC.

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Bio 278 Sample Questions for exam 2 - Sample Questions for...

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