护理入学考试生物练习卷（附答案）

关于显性等位基因，下列哪项正确？

1. A总是从母亲那里遗传
2. B只有一个拷贝时就表现出其效应
3. C从不出现在表型中
4. D只有两个拷贝时才表现出其效应

高尔基体的主要工作是什么？

1. A控制哪些基因被开启
2. B在细胞分裂前复制 DNA
3. C修饰和包装蛋白质
4. D通过细胞呼吸产生 ATP

What is activation energy?

1. AThe energy stored in a molecule of ATP
2. BThe heat released when a reaction finishes
3. CThe energy needed to start a chemical reaction
4. DThe energy plants take in from sunlight

Why is the ABO blood group system an example of multiple alleles?

1. AThe gene is found on several chromosomes
2. BThere are three alleles of the gene in the population
3. CEach person carries three different alleles of the ABO gene
4. DBlood type is controlled by many separate genes

红花植株与白花植株杂交，所有后代都开粉红色的花。这说明什么？

1. A不完全显性
2. B完全显性
3. C伴性性状
4. D共显性

Which statement about Archaea is correct?

1. AThey are multicellular plants
2. BThey are eukaryotes that have a nucleus and membrane-bound organelles
3. CThey are prokaryotes, and many live in extreme environments
4. DThey are a type of virus

Which parent's gamete decides the biological sex of a human baby, and why?

1. ABoth equally, because each gives one Y chromosome
2. BThe mother's, because she gives two X chromosomes
3. CThe father's, because a sperm carries either an X or a Y
4. DThe mother's, because an egg carries either an X or a Y

A cube-shaped cell has sides of 2 µm. What is its surface area-to-volume ratio?

1. A6 : 1
2. B2 : 1
3. C3 : 1
4. D1 : 3