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 activation energy?

1. AThe energy stored in a molecule of ATP
2. BThe energy plants take in from sunlight
3. CThe heat released when a reaction finishes
4. DThe energy needed to start a chemical reaction

What is a sister chromatid?

1. AOne of the two sex chromosomes
2. BA small ring of DNA found in bacteria
3. CA chromosome that is inherited from the mother only, never the father
4. DOne of two identical copies of a chromosome joined at the centromere

What is transpiration?

1. AThe movement of sugars through the phloem to the roots
2. BThe taking in of CO₂ for photosynthesis
3. CThe growth of roots towards water
4. DThe loss of water vapour from the leaves of a plant

「2倍体」とはどういう意味か。

1. A細胞が 2 組の染色体をもつ
2. B細胞が 1 回しか分裂できない
3. C細胞に核がない
4. D細胞が 1 組の染色体をもつ

In gel electrophoresis, why does DNA move towards the positive electrode?

1. ADNA has no charge and moves at random
2. BDNA has a positive charge from the nitrogen bases it contains
3. CDNA has a negative charge from its phosphate groups
4. DDNA is pulled by gravity through the gel

Which process removes carbon dioxide from the atmosphere?

1. APhotosynthesis
2. BCellular respiration
3. CDecomposition
4. DBurning fossil fuels

A green plant is kept in a sealed jar in complete darkness for a day. What happens to the carbon dioxide level in the jar?

1. AIt rises, because the plant respires but cannot photosynthesise
2. BIt falls, because plants take in more CO₂ when they respire in the dark
3. CIt falls, because the plant keeps photosynthesising
4. DIt stays the same, because plants do not respire

Why are there usually far fewer top predators than herbivores in an ecosystem?

1. AHerbivores eat the young of top predators
2. BEnergy is lost at each step, leaving little for the top level
3. CTop predators reproduce faster than herbivores, so they die sooner
4. DTop predators need less energy than herbivores