Download and practise with this ZIMSEC O-Level Biology Paper 1 June 2023 question paper. Useful for exam revision, past paper practice, and preparation in Zimbabwe.
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This is the ZIMSEC O-Level Biology question paper for Paper 1 from June 2023. Use it for exam practice under timed conditions. The paper code is 4025/1.
2 1 An experiment that produces a poisonous gas should be conducted in a A classroom with closed windows. B storeroom away from pupils. C laboratory with work benches. D well ventilated open space. 2 The list shows fire drill steps arranged in random order. 1. exit building in a calm and orderly manner 2. assembly at a safe place 3. sound an alarm bell 4. take a roll call What is the correct order of the steps? A $2 \longrightarrow 1 \longrightarrow 3 \longrightarrow 4$ B $\quad 1 \longrightarrow 2 \longrightarrow 3 \longrightarrow 4$ C $3 \longrightarrow 1 \longrightarrow 2 \longrightarrow 4$ D $\quad 4 \longrightarrow 1 \longrightarrow 3 \longrightarrow 2$ 3 Which one is a function of lipids in living organism? A formation of antibodies B source of water C regulation of pH D clotting of blood 4 A substance consists of the elements carbon, hydrogen, oxygen, nitrogen and sulphur. The substance is a A lipid. B protein. C nucleic acid. D carbohydrate. 5 Cell walls are responsible for A cell division. B generating energy. C structural support. D trapping sunlight. 4025/1 J2023 Zimsec 20