1.やさしい
In the scientific name Homo sapiens, what does Homo name?
- AThe family
- BThe species
- CThe kingdom
- DThe genus
2.やさしい
典型的なヒトの体細胞には、染色体がいくつあるか。
- A23
- B92
- C44
- D46
3.やさしい
ある生物の遺伝子型はBbである。これはどう表されるか。
- A劣性のホモ接合
- B半数体
- Cヘテロ接合
- D優性のホモ接合
4.ふつう
A study finds a positive correlation between hours of exercise and lung capacity. What does this mean?
- AAs exercise increases, lung capacity tends to increase
- BExercise has been proven to cause higher lung capacity
- CThere is no link between the two variables
- DAs exercise increases, lung capacity tends to decrease
5.ふつう
A person catches chickenpox once and does not usually become ill with it again. Why?
- AAntibodies from the first infection turn into new viruses
- BThe virus stays in the blood and kills new viruses
- CMemory cells give a faster, stronger response the next time
- DThe skin becomes thicker after the first infection
6.ふつう
Which type of graph is best for comparing the number of patients with each ABO blood type?
- AA line graph
- BA bar graph
- CA histogram
- DA scatter plot
7.むずかしい
In Tay-Sachs disease, a lysosomal enzyme does not work. What happens inside the affected nerve cells?
- AThe DNA cannot be copied before division
- BThe ribosomes stop making proteins
- CThe undigested substance builds up inside lysosomes
- DThe cells can no longer make ATP in their mitochondria
8.むずかしい
A study finds that coffee drinkers have more lung cancer. Later it is found that coffee drinkers in the study also smoked more. What is smoking in this study?
- AA confounding variable
- BThe control group
- CThe dependent variable
- DA placebo
解答
- 1. D · The genus
- 2. D · 46
- 3. C · ヘテロ接合
- 4. A · As exercise increases, lung capacity tends to increase
- 5. C · Memory cells give a faster, stronger response the next time
- 6. B · A bar graph
- 7. C · The undigested substance builds up inside lysosomes
- 8. A · A confounding variable
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