1.쉬움
What is the main material in the cell walls of fungi?
- ACollagen
- BPeptidoglycan
- CChitin
- DCellulose
2.쉬움
What is a monomer?
- AA very large molecule that is made of many smaller units
- BA molecule that contains no carbon
- CAn enzyme that breaks down polymers
- DA small unit that joins with others to form a polymer
3.쉬움
What is phagocytosis?
- AA cell engulfing large particles such as bacteria
- BA cell releasing hormones by exocytosis
- CA cell dividing into two identical daughter cells
- DA cell taking in small droplets of fluid
4.보통
능동 수송을 설명하는 것은 어느 것인가요?
- A죽은 세포에서만 일어난다
- B에너지를 쓰지 않고 농도 기울기를 따라 물질을 이동시킨다
- C에너지를 사용해 농도 기울기를 거슬러 물질을 이동시킨다
- D막을 통해 물만 이동시킨다
5.보통
An organism is multicellular, makes its own food by photosynthesis and has cell walls of cellulose. Which kingdom does it belong to?
- AFungi
- BBacteria
- CPlants
- DAnimals
6.보통
Which statement about identical and non-identical twins is correct?
- AIdentical twins come from one zygote; non-identical twins come from two
- BIdentical twins come from two eggs that are fertilised by a single sperm
- CBoth kinds of twin always share all of their genes
- DNon-identical twins come from one zygote that splits in two
7.어려움
질병이 없는 두 부모 사이에서 그 질병이 있는 자녀가 태어났습니다. 단일 유전자라고 가정할 때 가장 가능성 높은 설명은 무엇인가요?
- A그 형질은 우성이고 한쪽 부모가 동형 접합이다
- B그 형질은 열성이고 두 부모가 모두 보인자이다
- C그 형질은 우성이고 두 부모가 모두 환자이다
- D자녀가 아버지의 Y 염색체에서만 그 형질을 물려받았다
8.어려움
Fertiliser washes from farmland into a lake. Algae grow rapidly, then die, and later many fish die. What is the main cause of the fish deaths?
- ABacteria decomposing the dead algae use up the oxygen
- BThe fertiliser is directly poisonous to fish
- CThe fish eat too many algae and become ill
- DThe algae release carbon dioxide that poisons fish
정답표
- 1. C · Chitin
- 2. D · A small unit that joins with others to form a polymer
- 3. A · A cell engulfing large particles such as bacteria
- 4. C · 에너지를 사용해 농도 기울기를 거슬러 물질을 이동시킨다
- 5. C · Plants
- 6. A · Identical twins come from one zygote; non-identical twins come from two
- 7. B · 그 형질은 열성이고 두 부모가 모두 보인자이다
- 8. A · Bacteria decomposing the dead algae use up the oxygen
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