Photosynthesis MCQ (Biology Question)
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BIOLOGY NOTES ๐ | PLANT TRANSPORT SYSTEM
Question Focus: Movement of water from roots โ leaves
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A. Phloem
Transports manufactured food (sugars)
Movement can be both upward and downward (bidirectional)
Does NOT transport water
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B. Xylem
Transports water and mineral salts
Movement is unidirectional (upward only)
Driven by transpiration pull, cohesion & adhesion
Forms continuous tubes for efficient flow
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C. Cambium
A meristematic tissue (actively dividing cells)
Responsible for secondary growth (increase in thickness)
Produces new xylem and phloem
Not involved in transport directly
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D. Epidermis
Outermost protective layer of the plant
Reduces water loss and protects against damage
Contains root hairs (absorption), but not transport tissue
๐ Guess the Word ๐
adapt_____
(adj.) able to adjust easily to new conditions or situations
๐ก Can you guess the word? ๐
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