Topic: Photosynthesis: site and pigments· Plant Physiology

What is the direction of movement of sugars in phloem ?

1. Non-multidirectional

2. Upward

3. Downward

4. Bi-directional

Doubtly Asked 30 Oct 2026 NEET UG 2019 neet Save WhatsApp Report

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Answer: 4. Bi-directional

Phloem moves sugars from a source to a sink. The source and sink can be anywhere, so movement can be upward or downward, which is bi-directional (unlike xylem, which is one-way, upward). Option 4 is correct.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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What is the direction of movement of sugars in phloem ?

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