WAEC SSCE Biology Paper 1 Sample 2023
This sample paper tests the practical and conceptual skills you'll need to spot what examiners are really looking for in cell structure, physiological processes, and heredity — the core pillars of every Biology SSCE paper. You'll face a mix of multiple-choice, true/false, and short-answer questions covering cellular biology, nutrition and respiration, and basic genetics, just as you would in a real examination. It's designed for SS 3 students preparing for the WAEC SSCE Biology examination. By the end, you'll recognize the exact wording patterns examiners use to test each concept, and you'll feel confident spotting the trap answers they hide in options.
Questions in this quiz
Answers hidden — play to find out.
- Question 1
Which of the following organelles is responsible for synthesizing proteins in both prokaryotic and eukaryotic cells?
- Question 2
The partially permeable nature of the cell membrane allows the passage of small molecules while blocking larger ones. Which transport process requires the expenditure of energy?
- Question 3
A plant cell immersed in a hypertonic solution will experience plasmolysis. In this condition, the cell membrane detaches from the cell wall. True or False?
- Question 4
The stroma of a chloroplast is the site where the _______ reactions occur, producing glucose from carbon dioxide and water.
- Question 5
During aerobic respiration, the majority of ATP is produced in which organelle?
- Question 6
A student investigates the respiration rate of seeds using a respirometer. If the volume of gas decreases, this indicates that oxygen is being consumed and aerobic respiration is occurring. True or False?
- Question 7
Which of the following is a product of anaerobic respiration in yeast?
- Question 8
In meiosis, homologous chromosomes separate during the first meiotic division. Which of the following correctly describes the outcome of meiosis I?
- Question 9
A man with blood type AB and a woman with blood type O have a child. The child's possible blood types are A and B only. True or False?
- Question 10
A gene is defined as a segment of DNA that codes for _______ and determines a particular trait or characteristic.
- Question 11
In a Mendelian monohybrid cross between two heterozygous individuals (Aa × Aa), the expected genotypic ratio in the F₁ generation is 1:2:1. Which of the following best represents the phenotypic ratio?
- Question 12
Crossing over during meiosis I increases genetic variation in gametes. This process occurs when non-sister chromatids of homologous chromosomes exchange segments of DNA. True or False?