1.ง่าย
How many micrometres (µm) are in one millimetre?
- A1000
- B1 000 000
- C10
- D100
2.ง่าย
Which organelle makes lipids and helps break down drugs and toxins in liver cells?
- ACentriole
- BRough endoplasmic reticulum
- CSmooth endoplasmic reticulum
- DNucleolus
3.ง่าย
Which piece of equipment gives the most precise measurement of a liquid volume?
- AA beaker
- BA Petri dish
- CA graduated cylinder
- DA test tube
4.ปานกลาง
Drugs against fungal infections often cause more side effects than drugs against bacteria. Why?
- AFungal cells are eukaryotic, like human cells
- BFungi reproduce only by binary fission
- CFungi have no cell membrane for drugs to act on
- DFungi are much smaller than bacteria
5.ปานกลาง
เซลล์ไข่ปกติของมนุษย์มีโครโมโซมกี่แท่ง
- A22
- B46
- C92
- D23
6.ปานกลาง
How are photosynthesis and aerobic respiration related?
- ABoth take place only in chloroplasts
- BBoth happen only in animal cells, never in plant cells
- CThe products of one are the reactants of the other
- DBoth release oxygen into the air
7.ยาก
A patient with type A blood is given type B red blood cells by mistake. What is the cause of the reaction that follows?
- AAnti-A antibodies on the donor cells attack the patient's plasma
- BThe patient's A antigens dissolve the donor's haemoglobin
- CThe donor's B antigens destroy the patient's white blood cells
- DAnti-B antibodies in the patient's plasma attack the donor cells
8.ยาก
พ่อแม่ทั้งสองมีกรุ๊ปเลือด O ลูกของพวกเขามีกรุ๊ปเลือดใดได้
- Aเฉพาะกรุ๊ป O
- Bกรุ๊ป A หรือกรุ๊ป O
- Cเฉพาะกรุ๊ป AB
- Dทั้งสี่กรุ๊ปได้
เฉลย
- 1. A · 1000
- 2. C · Smooth endoplasmic reticulum
- 3. C · A graduated cylinder
- 4. A · Fungal cells are eukaryotic, like human cells
- 5. D · 23
- 6. C · The products of one are the reactants of the other
- 7. D · Anti-B antibodies in the patient's plasma attack the donor cells
- 8. A · เฉพาะกรุ๊ป O
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