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SCIENCE QUIZ
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Give one example of a stimulus and the response in humans.,
Touching a hot object → pulling hand away
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State one adaptation of alveoli that helps in gas exchange.
Thin walls / large surface area / surrounded by capillaries
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Which part of the plant carries out photosynthesis?
Leaf
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What is the function of the red blood cell?,
To transport oxygen
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What waste product is removed from the body through urination?
Urea
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What type of reaction absorbs heat?
Endothermic reaction
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What is the main function of xylem in plants?,
To transport water and minerals
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Which organ is responsible for the exchange of gases in humans?
Lungs
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What part of the plant absorbs water from the soil?,
Roots
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What gas do plants release during photosynthesis?
Oxygen
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What is the main function of the human nervous system?
To detect stimuli, send messages, and coordinate body responses
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What is the unit of electric current?
Ampere
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Name one highly reactive metal
Potassium / Sodium
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Which blood component helps fight diseases?,
White blood cells
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What gas do humans exhale during respiration?
Carbon dioxide
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How do plants respond to light?,
They grow towards the light (phototropism)
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Which gas is released when a metal reacts with acid?
Hydrogen
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Which blood component helps in clotting?
Platelets
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