护理入学考试生物练习卷（附答案）

细胞膜的主要结构是什么？

1. A由淀粉分子构成的单层薄片
2. B由纤维素纤维和木质素构成的坚硬层
3. C嵌有蛋白质的磷脂双分子层
4. D由肽聚糖构成的厚壁

What is an inference?

1. AA measurement taken with a calibrated instrument in a laboratory
2. BA conclusion reached from observations and prior knowledge
3. CA list of the materials used in an experiment
4. DA variable that the scientist changes on purpose

What is an adaptation?

1. AAny mutation that damages a gene
2. BAn inherited trait that helps an organism survive in its environment
3. CA change an organism makes during its lifetime that it then passes on
4. DA disease that weakens a population

Why do the palisade cells near the top surface of a leaf contain many chloroplasts?

1. AThey carry sugars from the leaves down to the roots
2. BThey store most of the plant's water for dry periods
3. CThey protect the leaf from insects and strong winds
4. DThey get the most light and do most of the photosynthesis

What is the role of oxygen in aerobic respiration?

1. AIt is split to release the energy needed for glycolysis
2. BIt accepts electrons at the end of the transport chain
3. CIt is built into glucose molecules
4. DIt breaks pyruvate into lactic acid

把一个红细胞放入纯水中。最可能发生什么？

1. A大小保持不变
2. B它皱缩起皱
3. C它膨胀并可能破裂
4. D它分裂成两个细胞

Sweating cools the body. Which property of water best explains this?

1. AIt is a nonpolar solvent
2. BIt is less dense as ice than as a liquid
3. CIt takes a lot of heat energy to evaporate
4. DIt has a very low specific heat

哪种图表最适合显示患者体温在 24 小时内的变化？

1. A庞尼特方格
2. B食物网
3. C折线图
4. D饼图