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 alleles it carries for a trait
3. CThe traits that can be seen or measured
4. DThe number of cells in its body

Which protein gives strength to skin, tendons and bone?

1. AMyosin
2. BHaemoglobin
3. CAmylase
4. DCollagen

What is an organism's genome?

1. AAll of its genetic material
2. BA single gene on one chromosome
3. CThe traits that can be seen
4. DThe proteins made by one cell

Identical twins raised in different homes have different body weights. What does this show?

1. AThe phenotype depends on environment as well as genotype
2. BThe twins must have different genotypes for body weight genes
3. CBody weight is controlled by a single gene
4. DMutations happened in every cell of one twin

Nearly all cells in a person's body contain the same DNA. Why do nerve cells and muscle cells look and work so differently?

1. ANerve cells have lost the genes for muscle proteins
2. BMuscle cells have extra DNA from mitochondria
3. CDifferent genes are switched on in each type of cell
4. DEach cell type has a different set of chromosomes

A patient's heart rate is measured four times: 70, 72, 74 and 80 beats per minute. What is the mean?

1. A74 beats per minute
2. B73 beats per minute
3. C72 beats per minute
4. D80 beats per minute

The field of view of a microscope is 0.5 mm wide. About 10 cells fit across it in a line. What is the approximate width of one cell?

1. A5 µm
2. B500 µm
3. C0.5 µm
4. D50 µm

ある生徒が、2 本のトマトに肥料を与え、別の 2 本には与えなかった。肥料を与えた植物のほうが高く育った。肥料が成長を促進するという結論の主な弱点は何か。

1. A高さを正確に測定できない
2. B肥料は 4 本すべてに与えるべきだった
3. C独立変数がなかった
4. D標本数が少なすぎて、偶然を除外できない