Which of the following cells types would be third cell type a sugar molecule is likely to encounter on its route from the site of production in chloroplast to the site of storage in the root?
A
Mesophyll
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B
Sieve tube
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C
Companion cell
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D
Parenchyma
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Solution
The correct option is D Sieve tube
Plants use a special tissue called phloem to transport sap which is a sticky solution that has amino acids , sugar etc.
Sap moves through phloem via translocation , the transport of dissolved material in a plant.
Sugars produced within sugar sources are loaded in sieve tube elements.