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NECTA 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 91

Which structure in the human respiratory system prevents food from entering the windpipe?
Human physiologyHuman physiologyhard

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Question 92

Which organelle is primarily responsible for producing energy in the form of ATP in eukaryotic cells?
Cell biologyCell structure and functioneasy

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Question 93

Which nutrient is primarily absorbed in the small intestine during digestion?
Nutrition and transportDigestion and absorptionmedium

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Question 94

During photosynthesis, which gas is taken in by plants and which is released?
Respiration and photosynthesisPhotosynthesis processeasy

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Question 95

Which of the following best describes sexual reproduction?
ReproductionTypes of reproductioneasy

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Question 96

What is the phenotypic ratio expected in the F2 generation of a monohybrid cross between two heterozygous individuals?
GeneticsMendelian geneticsmedium

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Question 97

In an ecosystem, which organism is considered a primary consumer?
EcologyFood chains and trophic levelseasy

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Question 98

Which hormone regulates blood sugar level by lowering it when it is high?
Human physiologyEndocrine systemmedium

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Question 99

Which of the following best describes the role of alveoli in the human respiratory system?
Human physiologyRespiratory systemmedium

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Question 100

Which component of blood is primarily responsible for clotting?
Human physiologyCirculatory systemeasy

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