2016 AP Biology生物真题系列之Practice Exam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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2016 AP Biology Practice Exam Free-Response Questions Free Download

2016 AP 生物模考简答题部分免费下载

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共8题

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1）In an investigation of the effect of a particular insecticide on plant growth and development, researchers established 20 test plots containing mature Haplopappus squarrosus shrubs. H. squarrosus is pollinated by certain species of insects and is eaten by other species of insects. Ten test plots were sprayed with the watersoluble insecticide, and ten test plots were sprayed with water only. The researchers recorded the numbers of plants or plant parts at different life stages in each test plot. The results of the investigation are shown in the table.

EFFECT OF INSECTICIDE TREATMENT ON PLANT GROWTH AND DEVELOPMENT

Figure 1. Student-constructed graph of data with a plotting error

1. Identify the control treatment in the original experiment. Provide reasoning to support the researcher’s decision to not use a set of unsprayed plants as a control.
2. A student incorrectly plotted one value from the table on a graph (Figure 1). Identify the error in the student-constructed graph. Provide reasoning to support the student’s choice of a logarithmic scale on the Y axis.
3. Using the template provided, calculate the percent of plants or plant parts remaining from one life stage to the next life stage. Round your answer to one decimal place. Based on your calculations, identify the plant life stage at which the insects have the greatest impact on the life cycle of the plant. Justify your answer. Describe the most likely interaction between the insects and the plants.
4. In a second experiment, researchers used a different insecticide that affects a different group of insects. In this treatment, the number of seeds formed was greatly reduced compared to the control. Based on this observation, describe the most likely interaction between the affected insects and the plants in this experiment. Justify your response.

 

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2016 AP Biology Free-Response Questions Free Download

2016 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

下载方式请访问下方链接

2016 AP Biology FRQ真题题目

 

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