Units 3 and 4 Biology - Practice Exam - Engage Education Foundation

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Units 3 and 4 BiologyThe Engage Education FoundationQuestion 4a. Explain why, in cases of fever, human body temperature will be raised to around 40 degreesCelsius, but if it is raised much higher there is a real cause for concern. If possible, include a graphin your answer.2 marksb. A person is bitten by a dog. Initially, blood flow to the wound appears unrestricted, but after aperiod of minutes it is obvious that the flow of blood is slowing. What process is responsible for thisobservation? Briefly outline this process.2 marksTotal: 4 marksPage 216.5 hour revision seminars for just $56 – visit www.ee.org.au for more info.
The Engage Education FoundationUnits 3 and 4 BiologyQuestion 5An experiment was set up to analyse the effects of the plant hormone auxin. 3 shoots were grown inidentical conditions with one plant left intact, one with its coleoptile removed and then replaced and onewith its coleoptile tip removed and not replaced. All were subjected to equal light, H2O, CO2 andnutrients. The following diagram represents the experimental set up.a. Name the independent and dependent variables.b. What is the purpose of the shoot left intact?1 markc. Draw the expected results of the experiment.1 mark1 markwww.engageeducation.org.au Page 22
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Units 3 and 4 Biology - Practice Exam - Engage Education Foundation

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