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Question

Which of the following is correct about transport or conduction of substances?

A
Organic food moves upward through xylem.
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B
Organic food moves up through phloem.
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C
Inorganic food moves upward and downward through xylem.
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D
Organic food moves upward and downward through phloem.
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Solution

The correct option is D Organic food moves upward and downward through phloem.
Transport in phloem is bidirectional and sugars are transported to any location, where sugars are used or stored. The relation is known as the source and sink, both leaves and roots can act as source and sink.
So, the correct answer is 'Organic food moves upward and downward through phloem.'

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