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 is an organism's genotype?

1. AThe environment in which it lives
2. BThe traits that can be seen or measured
3. CThe alleles it carries for a trait
4. DThe number of cells in its body

対照群の目的は何か。

1. A処理した群と比較するための基準を得ること
2. B実験を早く終わらせること
3. C検証する処理を可能な限り最大量受けること
4. D仮説を不要にすること

What is the SI base unit of mass?

1. ALitre
2. BKilogram
3. CPound
4. DGram

Why do root hair cells have long, thin extensions?

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

A deletion removes exactly three bases, forming one whole codon, from the middle of a gene. What is the most likely result?

1. AThe protein lacks one amino acid but the rest is unchanged
2. BEvery amino acid after the deletion is changed to a new one
3. CNo protein can be made at all
4. DThe protein becomes three times longer

What is the difference between an antiseptic and a disinfectant?

1. AAntiseptics are antibiotics; disinfectants are vaccines
2. BAntiseptics kill all spores; disinfectants kill none
3. CAntiseptics are used on living tissue; disinfectants are used on objects
4. DAntiseptics are used on objects and floors; disinfectants are used on skin

減数分裂のとき、1 対の染色体が分離しなかった。何が起こりうるか。

1. A各染色体の遺伝子がちょうど 2 倍になった配偶子ができる
2. B親細胞と遺伝的に同一の配偶子ができる
3. CDNAをまったく含まない配偶子ができる
4. D染色体が 1 本多い、または 1 本足りない配偶子ができる

Fertiliser washes from farmland into a lake. Algae grow rapidly, then die, and later many fish die. What is the main cause of the fish deaths?

1. ABacteria decomposing the dead algae use up the oxygen
2. BThe fertiliser is directly poisonous to fish
3. CThe algae release carbon dioxide that poisons fish
4. DThe fish eat too many algae and become ill