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WAEC Biology – Gambia

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Question 281

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

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Question 282

What process allows substances to move from an area of higher concentration to one of lower concentration without energy input?
Cell activities and transportCell activities and transporteasy

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Question 283

Which of the following is NOT a function of root hairs in plants?
Cell specializationCell specializationeasy

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Question 284

What is the correct order of levels of organization from simplest to most complex?
Levels of organizationLevels of organizationmedium

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Question 285

Which process in plants results in the loss of water vapor through the stomata?
Excretion and osmoregulationExcretion and osmoregulationmedium

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Question 286

Which hormone in humans is primarily responsible for regulating blood sugar levels?
Coordination and responsivenessCoordination and responsivenessmedium

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Question 287

What is the principle behind natural selection?
Variation and evolutionVariation and evolutionhard

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Question 288

Which trophic level do herbivores occupy in an ecological food chain?
Energy flow and cyclesEnergy flow and cycleseasy

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Question 289

Which organelle is responsible for the production of ATP in the cell?
Cell structure and ultrastructureCell structure and ultrastructureeasy

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Question 290

Which type of cell specialization allows xylem vessels to conduct water efficiently?
Cell specializationCell specializationmedium

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