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 does it mean that a cell membrane is selectively permeable?

1. AIt lets every substance cross freely in both directions
2. BIt lets no substance cross at all
3. CIt lets only water molecules cross
4. DIt lets some substances cross but not others

What is natural selection?

1. AIndividuals with helpful traits survive and reproduce more
2. BHumans breeding plants for useful traits
3. CAnimals choosing which mates they like best, so traits change at random
4. DOrganisms changing their genes when they need to

光合成が行われる細胞小器官はどれか。

1. A核
2. Bゴルジ体
3. Cミトコンドリア
4. D葉緑体

When most people in a community are vaccinated, people who cannot be vaccinated are also protected. Why?

1. AThe pathogen mutates into a harmless form
2. BThe pathogen has too few hosts to spread easily
3. CThe vaccine spreads from person to person
4. DVaccinated people make antibodies for others

体細胞分裂のどの時期に、染色体が細胞の中央に並ぶか。

1. A終期
2. B前期
3. C後期
4. D中期

Salivary amylase begins the digestion of which nutrient in the mouth?

1. AStarch
2. BProtein
3. CFat
4. DCellulose

グラフが、ある酵素の活性が 20 °C から上がって 37 °C でピークとなり、そのあと急激に下がることを示している。最も適切な解釈はどれか。

1. A温度は酵素の活性に影響しない
2. B温度が上がるほど、酵素は速くはたらき続ける
3. C最適温度は約 37 °C で、それより高温では変性する
4. D酵素は 20 °C で最もよくはたらき、37 °C で破壊される

At 100× total magnification, the field of view of a microscope is 2 mm wide. What is its width at 400×?

1. A0.5 mm
2. B2 mm
3. C8 mm
4. D0.2 mm