护理入学考试生物练习卷（附答案）

根据细胞学说，新细胞来自哪里？

1. A来自体内的非生命物质
2. B来自已经存在的细胞
3. C来自食物中的矿物质
4. D来自进入体内的病毒

Which sugar is found in DNA?

1. ADeoxyribose
2. BFructose
3. CGlucose
4. DRibose

In which form do animals store glucose in the liver and muscles?

1. AChitin
2. BStarch
3. CCellulose
4. DGlycogen

What does Mendel's law of segregation state?

1. AThe two alleles of a gene separate so each gamete gets only one
2. BEach gamete receives both alleles of every gene
3. CDominant alleles are more common in a population than recessive ones
4. DGenes on different chromosomes are always inherited together

两个杂合亲本（Aa × Aa）杂交，且 A 完全显性。预期的表型比例是多少？

1. A1 显性 : 2 中间型 : 1 隐性
2. B1 显性 : 1 隐性
3. C全部显性
4. D3 显性 : 1 隐性

What do the spindle fibres do during cell division?

1. AThey attach to chromosomes and move them to the poles
2. BThey copy the DNA of each chromosome before the cell divides
3. CThey digest the old cell membrane
4. DThey make the new nuclear envelope

Why can O-negative red blood cells be given to patients of almost any blood type in an emergency?

1. AThey have no haemoglobin to react with
2. BThey carry all of the A, B and RhD antigens
3. CTheir plasma contains anti-A and anti-B antibodies
4. DThey carry no A, B or RhD antigens

How does a phospholipid differ from a triglyceride?

1. AOne of the fatty acids is replaced by a phosphate group
2. BIt contains no glycerol, only fatty acids and phosphate
3. CIt is made of amino acids
4. DIt has four fatty acids instead of three