WAEC Biology – Sierra Leone

Question 11

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

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Question 12

Which specialized cell in plants is mainly responsible for water transport?

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Question 13

Which level of biological organization includes all living organisms and their physical environment in a particular area?

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Question 14

In photosynthesis, the light-dependent reactions occur in the:

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Question 15

Which macronutrient is essential for building and repairing body tissues?

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Question 16

The excretory organ in humans responsible for filtering blood to form urine is the:

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Question 17

Which hormone regulates the 'fight or flight' response in humans?

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Question 18

In natural selection, which of the following is necessary for evolution to occur?

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Question 19

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

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Question 20

What process describes the movement of water molecules from a region of high concentration to low concentration through a selectively permeable membrane?

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