2008 AP Biology生物真题系列之选择题免费下载

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2008 AP Biology Released Exam Multiple Choice and Grid-In Questions Free Download

2008 AP 生物选择题部分免费下载

此套题共计时1小时20分钟

共100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

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部分真题预览：

1）The amino acid sequence of cytochrome c is exactly the same in humans and chimpanzees. There is a difference of 13 amino acids between the cytochrome c of humans and dogs,  and a difference of 20 amino acids between the cytochrome c of humans and rattlesnakes. Which of the following statements is best supported by these data?

1. Rattlesnakes apparently gave rise evolutionarily to the dog, chimpanzee, and human.
2. Cytochrome c apparently has an entirely different function in rattlesnakes than in mammals, which explains the difference in the number of amino acids
3. Cytochrome c is not found universally in animals
4. Cytochrome c from a rattlesnake could function in a dog, but not in a chimpanzee
5. The human is apparently more closely related to the chimpanzee than to the dog or rattlesnake

2)A parasite may be described as an organism that derives nourishment form another living organism and

1. becomes necessary to the life of the host
2. is neutral in its effect on the host
3. benefits the host nutritionally
4. provides a supportive structure for the host
5. harms the host in the process

5)Countercurrent exchange in the gills of fish is an adaptation that accomplishes which of the following?

1. It limits the amount of blood going to the gills
2. It decreases the thermal gradient between water and blood
3. It improves the ability of blood to dissolve oxygen
4. It maximizes oxygen transfer from water to the blood
5. It maximizes heat retention in the fish

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2008 AP Biology Practice Exam Multiple Choice and Grid-In Questions Free Download

2008 AP 生物模考选择题部分免费下载

此套题共计时1小时20分钟

共100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

下载方式请点击下方链接

2008 AP Biology MC真题题目

 

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