1.やさしい
What is a scientific law?
- AA statement of what always happens under certain conditions
- BA guess about the cause of something that has not yet been tested
- CAn explanation that has been proven wrong
- DA rule that scientists vote to accept
2.やさしい
What does xylem carry in a plant?
- AWater and minerals from the roots upward
- BSugars from the leaves to the roots
- CSeeds from the flowers to the soil
- DOxygen from the leaves to the roots
3.やさしい
Which organelle breaks down fatty acids and hydrogen peroxide?
- ACentriole
- BChloroplast
- CPeroxisome
- DRibosome
4.ふつう
体細胞分裂のどの時期に、染色体が細胞の中央に並ぶか。
- A終期
- B前期
- C中期
- D後期
5.ふつう
Where does the Krebs (citric acid) cycle take place in a eukaryotic cell?
- AOn the rough endoplasmic reticulum
- BIn the cytoplasm
- CIn the mitochondrial matrix
- DIn the nucleus
6.ふつう
Which statement best describes biological evolution?
- AGrowth of an organism from a single zygote to a fully grown adult
- BChange in the body of one organism during its lifetime
- CChange in the inherited traits of a population over generations
- DMovement of animals to a new habitat each year
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?
- ANeither sample will work
- BBoth samples will work equally well
- COnly the sample that was kept at 4 °C
- DOnly the sample that was boiled
8.むずかしい
Under the microscope, homologous chromosomes are moving to opposite poles, and each is still made of two chromatids. Which stage is this?
- AProphase of mitosis
- BAnaphase I of meiosis
- CAnaphase of mitosis
- DAnaphase II of meiosis
解答
- 1. A · A statement of what always happens under certain conditions
- 2. A · Water and minerals from the roots upward
- 3. C · Peroxisome
- 4. C · 中期
- 5. C · In the mitochondrial matrix
- 6. C · Change in the inherited traits of a population over generations
- 7. C · Only the sample that was kept at 4 °C
- 8. B · Anaphase I of meiosis
ステップごとの詳しい解答:このトピックは examproblems.com で練習できます。