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WAEC Biology – Gambia

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Question 121

In natural selection, which of the following factors most directly leads to evolution?
Variation and evolutionVariation and evolutionhard

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Question 122

Which organelle is responsible for energy production through cellular respiration in eukaryotic cells?
Cell structure and ultrastructureCell structure and ultrastructureeasy

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Question 123

Which process involves the movement of molecules from a region of higher concentration to a region of lower concentration without energy expenditure?
Cell activities and transportCell activities and transporteasy

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Question 124

During which phase of mitosis do chromosomes line up at the equatorial plate?
Division of cellsDivision of cellsmedium

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Question 125

Which specialized cell in plants is primarily responsible for transporting water from roots to leaves?
Cell specializationCell specializationmedium

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Question 126

Which level of biological organization includes all the living organisms in a particular area along with their physical environment?
Levels of organizationLevels of organizationmedium

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Question 127

What is the primary pigment involved in photosynthesis that absorbs light energy?
Photosynthesis and respirationPhotosynthesis and respirationeasy

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Question 128

Which method of nutrition involves an organism producing its own food using light energy?
NutritionNutritioneasy

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Question 129

Which excretory structure in humans filters blood to form urine?
Excretion and osmoregulationExcretion and osmoregulationmedium

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Question 130

Which hormone regulates the fight-or-flight response by increasing heart rate and blood flow?
Coordination and responsivenessCoordination and responsivenessmedium

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