1.やさしい
What does xylem carry in a plant?
- AWater and minerals from the roots upward
- BOxygen from the leaves to the roots
- CSeeds from the flowers to the soil
- DSugars from the leaves to the roots
2.やさしい
What is the correct order of the phases of mitosis?
- ATelophase, anaphase, metaphase, prophase
- BProphase, anaphase, metaphase, telophase
- CProphase, metaphase, anaphase, telophase
- DMetaphase, prophase, anaphase, telophase
3.やさしい
細菌について正しい記述はどれか。
- A植物のような多細胞生物である
- B核をもつ単細胞の真核生物である
- C細胞ではなく、タンパク質とDNAの粒子である
- D単細胞の原核生物である
4.ふつう
細菌は通常どのように増殖するか。
- Aウイルスを出芽させることによる
- B種子をつくることによる
- C減数分裂による
- D二分裂による
5.ふつう
A thermometer gives readings of 36.1, 36.1 and 36.2 °C for a water bath that is really at 37.0 °C. How are these readings best described?
- ABoth accurate and precise
- BNeither accurate nor precise
- CAccurate but not precise
- DPrecise but not accurate
6.ふつう
能動輸送を説明しているのはどれか。
- A膜を通る水だけを移動させる
- Bエネルギーを使って、濃度勾配に逆らって物質を移動させる
- C死んだ細胞でだけ起こる
- Dエネルギーを使わず、濃度勾配に従って物質を移動させる
7.むずかしい
One sample of an enzyme is boiled and then cooled to 37 °C. Another is kept at 4 °C and then warmed to 37 °C. Which sample will work at 37 °C?
- AOnly the sample that was boiled
- BNeither sample will work
- CBoth samples will work equally well
- DOnly the sample that was kept at 4 °C
8.むずかしい
Why can standard DNA profiling not tell identical twins apart?
- ATwins always share the same fingerprints on their hands
- BIdentical twins come from one zygote and have the same DNA
- COnly one twin inherits the father's DNA
- DIdentical twins have no non-coding DNA
解答
- 1. A · Water and minerals from the roots upward
- 2. C · Prophase, metaphase, anaphase, telophase
- 3. D · 単細胞の原核生物である
- 4. D · 二分裂による
- 5. D · Precise but not accurate
- 6. B · エネルギーを使って、濃度勾配に逆らって物質を移動させる
- 7. D · Only the sample that was kept at 4 °C
- 8. B · Identical twins come from one zygote and have the same DNA
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