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WAEC Biology – Sierra Leone

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Question 191

Which hormone is primarily responsible for stimulating the development of secondary sexual characteristics in males?
Coordination and responsivenessHormones and their functionsmedium

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Question 192

Which process leads to genetic variation by exchanging segments between homologous chromosomes during meiosis?
Heredity and geneticsMeiosis and genetic variationhard

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Question 193

Which phase of mitosis is characterized by the alignment of chromosomes along the equator of the cell?
Division of cellsDivision of cellsmedium

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Question 194

Which of the following cells is specialized for transport of oxygen in the blood?
Cell specializationCell specializationeasy

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Question 195

Which level of biological organization includes groups of different tissues working together to perform a common function?
Levels of organizationLevels of organizationmedium

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Question 196

Which nutrient is primarily involved in building and repairing body tissues?
NutritionNutritioneasy

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Question 197

Which organ system is mainly responsible for removing metabolic waste and regulating water balance?
Excretion and osmoregulationExcretion and osmoregulationmedium

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Question 198

In human nervous coordination, which part of the neuron receives stimuli?
Coordination and responsivenessCoordination and responsivenesseasy

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Question 199

Which process allows water to move across a selectively permeable membrane from a region of low solute concentration to high solute concentration?
Cell activities and transportCell activities and transporteasy

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Question 200

What is the function of root hair cells in plants?
Cell specializationCell specializationeasy

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