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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 181

Which level of biological organization correctly sequences from simplest to most complex?
Levels of organizationLevels of organizationmedium

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Question 182

In photosynthesis, which molecule is the primary electron donor during the light-dependent reactions?
Photosynthesis and respirationPhotosynthesis and respirationhard

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Question 183

Which type of nutrition involves the organism synthesizing its own food from inorganic substances?
NutritionNutritioneasy

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Question 184

Which of the following is an example of an excretory product in humans?
Excretion and osmoregulationExcretion and osmoregulationeasy

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Question 185

Which hormone primarily regulates the human menstrual cycle?
Coordination and responsivenessCoordination and responsivenessmedium

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Question 186

Which mechanism best explains the survival of giraffes with longer necks over many generations?
Adaptation and natural selectionAdaptation and natural selectionhard

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Question 187

Which tissue type is specialized for rapid conduction of electrical impulses in animals?
Cell specializationCell specialization and tissue typesmedium

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Question 188

In the hierarchy of biological organization, which level comes immediately after organ?
Levels of organizationBiological organization levelseasy

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Question 189

In photosynthesis, which molecule acts as the final electron acceptor in the light-dependent reactions?
Photosynthesis and respirationPhotosynthesis processmedium

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Question 190

Which organ in humans plays a major role in osmoregulation by controlling water balance?
Excretion and osmoregulationOsmoregulation in humansmedium

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