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WAEC Biology – Nigeria

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Question 131

What principle explains the survival of organisms best adapted to their environment leading to evolution?
Variation and evolutionVariation and evolutionhard

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Question 132

Which process allows for the movement of water molecules across a selectively permeable membrane?
Cell activities and transportCell activities and transporteasy

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Question 133

Which type of cell specialization best describes red blood cells?
Cell specializationCell specializationmedium

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Question 134

Which nutrient is considered a macronutrient essential for human energy and growth?
NutritionNutritioneasy

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Question 135

What is the main function of nephrons in the human kidney?
Excretion and osmoregulationExcretion and osmoregulationmedium

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Question 136

Which structure in the human body is mainly responsible for coordinating responses to stimuli?
Coordination and responsivenessCoordination and responsivenesseasy

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Question 137

In Mendelian genetics, what genotype ratio is expected in the F2 generation from a monohybrid cross of two heterozygous parents?
Heredity and geneticsHeredity and geneticshard

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Question 138

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

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Question 139

During osmosis, water moves from a region of ______ to a region of ______.
Cell activities and transportCell activities and transporteasy

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Question 140

Which of the following is an example of cell specialization?
Cell specializationCell specializationmedium

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