解答つき看護学校入学試験のための生物ワークシート

What are the three parts of a nucleotide?

1. AAn amino group, a sugar and a fatty acid
2. BA glycerol, a phosphate and a fatty acid
3. CA phosphate, a sugar and a nitrogen base
4. DA carboxyl group, a base and a lipid

What is an antigen?

1. AA protein that carries oxygen
2. BA molecule that the immune system sees as foreign
3. CA white blood cell that engulfs and digests bacteria
4. DA drug that kills viruses

Which definition of a species is most often used for animals?

1. AA group that can interbreed and have fertile offspring
2. BAny organisms that look alike
3. CAll the animals that eat the same food
4. DAll of the different organisms that live together in one area

原核細胞にも真核細胞にもある構造はどれか。

1. A核
2. Bリボソーム
3. C小胞体
4. Dミトコンドリア

An organism is multicellular, makes its own food by photosynthesis and has cell walls of cellulose. Which kingdom does it belong to?

1. APlants
2. BFungi
3. CBacteria
4. DAnimals

Why do root hair cells have long, thin extensions?

1. ATo carry out photosynthesis underground
2. BTo increase the surface area for absorbing water
3. CTo store starch for the winter
4. DTo anchor the plant firmly against strong winds and rain

In snapdragons, flower colour shows incomplete dominance: RR is red, RW is pink and WW is white. Two pink plants are crossed. What phenotype ratio is expected?

1. AAll pink, like the parents
2. B1 red : 1 white
3. C1 red : 2 pink : 1 white
4. D3 red : 1 white

PCR starts with one double-stranded DNA molecule, and the number of copies doubles each cycle. How many copies are there after 10 cycles?

1. A512
2. B1024
3. C100
4. D20