CSEC Human & Social Biology

PPO Set 1

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Q1
Which disease is caused by a deficiency of vitamin C?
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Q2
Which structure prevents food from entering the trachea?
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Q3
Which component of blood helps in the clotting process?
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Q4
Which vitamin is essential for maintaining healthy eyesight?
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Q5
Which organ is responsible for filtering metabolic wastes from the bloodstream?
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Q6
Which blood vessels carry blood away from the heart?
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Q7
Which organism is unicellular?
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Q8
Which part of a cell controls the activities that take place within it?
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Q9
Which process involves the movement of water through a selectively permeable membrane?
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Q10
Which food type is the richest source of energy?
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