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WAEC Biology AI Practice

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Note: Diagram-based questions are coming soon. WAEC Biology Paper includes ~5 diagram questions.

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Question 231

Which level of biological organization includes groups of different tissues working together to perform a specific function?
Levels of organizationLevels of organizationeasy

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Question 232

Which pigment primarily absorbs light during photosynthesis?
Photosynthesis and respirationPhotosynthesis and respirationmedium

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Question 233

Which of the following organisms exhibits holozoic nutrition?
NutritionNutritionmedium

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Question 234

Which organ system in humans is primarily responsible for maintaining water and electrolyte balance?
Excretion and osmoregulationExcretion and osmoregulationmedium

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Question 235

Which hormone in plants promotes cell elongation and stem growth?
Coordination and responsivenessCoordination and responsivenesshard

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Question 236

In Mendelian genetics, what is the expected genotypic ratio of the offspring from a cross between two heterozygous individuals (Aa x Aa)?
Heredity and geneticsHeredity and geneticshard

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Question 237

Which organelle is primarily responsible for producing energy in the form of ATP in a eukaryotic cell?
Cell structure and ultrastructureCell structure and ultrastructureeasy

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Question 238

During which phase of the cell cycle does DNA replication occur?
Division of cellsDivision of cellsmedium

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Question 239

Which blood vessel carries oxygenated blood away from the heart to body tissues?
Circulatory system (related to coordination and responsiveness)Coordination and responsivenessmedium

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Question 240

Which of the following is an example of an adaptation that enhances desert plants’ survival?
Adaptation and natural selectionAdaptation and natural selectionmedium

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