Phiếu bài tập Sinh học cho kỳ thi đầu vào điều dưỡng có đáp án

Which protein carries oxygen in red blood cells?

1. AKeratin
2. BHaemoglobin
3. CCollagen
4. DInsulin

What is a monomer?

1. AA small unit that joins with others to form a polymer
2. BAn enzyme that breaks down polymers
3. CA very large molecule that is made of many smaller units
4. DA molecule that contains no carbon

What is activation energy?

1. AThe energy needed to start a chemical reaction
2. BThe heat released when a reaction finishes
3. CThe energy plants take in from sunlight
4. DThe energy stored in a molecule of ATP

What is the role of oxygen in aerobic respiration?

1. AIt is built into glucose molecules
2. BIt accepts electrons at the end of the transport chain
3. CIt is split to release the energy needed for glycolysis
4. DIt breaks pyruvate into lactic acid

Which statement about Archaea is correct?

1. AThey are multicellular plants
2. BThey are a type of virus
3. CThey are eukaryotes that have a nucleus and membrane-bound organelles
4. DThey are prokaryotes, and many live in extreme environments

What does the enzyme lipase break down?

1. AFats into fatty acids and glycerol
2. BStarch into sugars
3. CDNA into nucleotides
4. DProteins into amino acids and peptides

A cell is 0,00002 m wide. Which value is equal to this width?

1. A200 µm
2. B0,2 mm
3. C20 µm
4. D2 µm

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?

1. AThe fertiliser is directly poisonous to fish
2. BBacteria decomposing the dead algae use up the oxygen
3. CThe fish eat too many algae and become ill
4. DThe algae release carbon dioxide that poisons fish