(i) The plant cell will have a larger vacuole because vacuoles store cell sap and maintain turgidity. (ii) The answer assumes both cells are mature, normal and healthy cells performing their usual biological functions under similar conditions.
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Sclerenchyma tissue provides strength to coconut husk fibres because of thick lignified walls. Living parenchyma cells have thin walls and soft structure mainly for storage, so they cannot provide the hardness, toughness and durability needed for mats.
Water reaches leaves through xylem tissue, which transports water and minerals from roots to all plant parts. Transpiration pull created by leaves and the tubular structure of xylem vessels help water move upward against gravity efficiently.
Food prepared in leaves is transported by phloem tissue. Sieve tubes carry dissolved food materials from leaves to roots, stems and storage organs, while companion cells help regulate loading and unloading of sugars during transportation.
A thick cuticle reduces water loss through transpiration, helping desert plants conserve water. Underwater plants do not face water shortage, so a thick cuticle would hinder gaseous exchange and absorption, making survival and normal functioning difficult.