2012 AP Biology生物真题系列之简答题免费下载

历年AP Biology生物系列

真题与答案下载

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2012 AP Biology Free-Response Questions Free Download

2012 AP 生物简答题部分免费下载

此套题共计时1小时30分钟

共8题

每道大题可能含有不同数量的小题

可以使用简单的Four-function计算器（带有开平方功能）

考试时会提供相应的方程和等式列表

完整版下载链接见文末

部分真题预览：

1）An agricultural biologist was evaluating two newly developed varieties of wheat as potential crops. In an experiment, seedlings were germinated on moist paper towels at 20ºC for 48 hours. Oxygen consumption of the two-day-old seedlings was measured at different temperatures. The data are shown in the graph below.

TRICHOME DENSITY IN THREE PLANT POPULATIONS(number of trichomes/cm²)

1. Calculate the rates of oxygen consumption in mL/min for each variety of wheat at 7°C and at 17°C. Show your work (including your setup and calculation).
2. Explain the relationship between metabolism and oxygen consumption. Discuss the effect of temperature on metabolism for each variety of seedlings.
3. In a second experiment, variety A seedlings at both temperatures were treated with a chemical that prevents NADH from being oxidized to NAD+. Predict the most likely effect of the chemical on metabolism and oxygen consumption of the treated seedlings. Explain your prediction.

 

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2012 AP Biology生物FRQ简答题完整版答案免费下载

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2012 AP Biology Practice Exam Free-Response Questions Free Download

2012 AP 生物模考简答题部分免费下载

此套题共计时1小时30分钟

共8题

每道大题可能含有不同数量的小题

可以使用简单的Four-function计算器（带有开平方功能）

考试时会提供相应的方程和等式列表

下载方式请访问下方链接

2012 AP Biology Practice Exam FRQ真题题目

 

 

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