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WAEC Biology – Sierra Leone

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Question 1

Which organelle is primarily responsible for energy production in a cell?

Cell structure and ultrastructureCell structure and ultrastructureeasy

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Question 2

During osmosis, water moves from a region of:

Cell activities and transportCell activities and transporteasy

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Question 3

Which phase of mitosis is characterized by the alignment of chromosomes at the cell's equator?

Division of cellsDivision of cellsmedium

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Question 4

Which cell type is specialized for conducting nerve impulses?

Cell specializationCell specializationeasy

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Question 5

Which level of biological organization includes all populations of different species living and interacting in a particular area?

Levels of organizationLevels of organizationmedium

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Question 6

What are the main products of photosynthesis?

Photosynthesis and respirationPhotosynthesis and respirationeasy

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Question 7

Which hormone is primarily responsible for the regulation of blood glucose levels?

Coordination and responsivenessCoordination and responsivenessmedium

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Question 8

In genetics, what does the term 'phenotype' refer to?

Heredity and geneticsHeredity and geneticseasy

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Question 9

Which process best explains how natural selection contributes to evolution?

Variation and evolutionVariation and evolutionhard

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Question 10

Which organelle is primarily responsible for the production of ATP during cellular respiration?

Cell structure and ultrastructureCell structure and ultrastructureeasy

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