JAMB - Biology (2020 - No. 15)
Which of the following waste products in plants is excreted through the stomata and lenticles?
carbon dioxide
alkaloids
tannins
anthoocyanins
توضیح
The waste products of a plant are carbon dioxide, water vapour and oxygen.
Plants produce several waste products, including:
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Organic by-products:These include gums, oils, latex, and resins, which plants store in their barks, stems, and leaves
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Carbon dioxide: A waste product of respiration, which plants exhale through stomata in their leaves
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Water vapour: A waste product of respiration, which plants exhale through stomata in their leaves and the surfaces of their fruits and stems
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Oxygen:A waste product of photosynthesis, which plants exhale through stomata in their leaves