1.やさしい
What is the main material in the cell walls of fungi?
- APeptidoglycan
- BChitin
- CCellulose
- DCollagen
2.やさしい
表現型とは何か。
- A目の色のような、観察できる形質
- B遺伝子の塩基の並び順
- C生物がある遺伝子について持つ対立遺伝子の組
- D配偶子に含まれる染色体の数
3.やさしい
What is a haploid cell?
- AA cell with two sets of chromosomes
- BA cell with no nucleus
- CA cell with one set of chromosomes
- DA cell with an extra chromosome
4.ふつう
What is the difference between an antiseptic and a disinfectant?
- AAntiseptics are used on objects and floors; disinfectants are used on skin
- BAntiseptics are used on living tissue; disinfectants are used on objects
- CAntiseptics are antibiotics; disinfectants are vaccines
- DAntiseptics kill all spores; disinfectants kill none
5.ふつう
What is the function of the pores in the nuclear envelope?
- AThey attach the nucleus to the cell membrane
- BThey let molecules such as mRNA pass in and out
- CThey make ribosomal RNA for the cell
- DThey let chromosomes leave the nucleus to be copied
6.ふつう
Which body system works with the respiratory system to deliver oxygen to body cells?
- AThe circulatory system
- BThe digestive system
- CThe skeletal system
- DThe urinary system
7.むずかしい
A student puts a fertilised plant in a sunny window and an unfertilised plant in a dark cupboard. The fertilised plant grows more. What is the main flaw?
- AThe student used too much fertiliser on the plant in the window
- BThe dependent variable was not measured
- CTwo variables were changed, so the cause is unclear
- DThere was no hypothesis to test
8.むずかしい
Why do phospholipids arrange themselves into a double layer in water?
- AThey carry a strong positive charge on both ends
- BThey are fully soluble in water
- CTheir heads are hydrophobic and their tails are hydrophilic
- DTheir heads are hydrophilic and their tails are hydrophobic
解答
- 1. B · Chitin
- 2. A · 目の色のような、観察できる形質
- 3. C · A cell with one set of chromosomes
- 4. B · Antiseptics are used on living tissue; disinfectants are used on objects
- 5. B · They let molecules such as mRNA pass in and out
- 6. A · The circulatory system
- 7. C · Two variables were changed, so the cause is unclear
- 8. D · Their heads are hydrophilic and their tails are hydrophobic
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