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Plant Transport Systems: Xylem and Phloem

Biology

An educational overview of how plants transport water, minerals, and food using xylem and phloem vessels.

Plants Botany Education

11 Questions Easy Ages 8+ Jul 6, 2026

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About this Study Set

This study set covers Biology through 11 practice questions. An educational overview of how plants transport water, minerals, and food using xylem and phloem vessels. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 11 questions from the Plant Transport Systems: Xylem and Phloem study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 What is the process called when water moves upward through narrow tubes in plants?

A Transpiration
B Capillary action
C Photosynthesis
D Diffusion

2 What do water molecules do when they stick to each other?

A Adhesion
B Cohesion
C Evaporation
D Absorption

3 What is the term for water molecules sticking to xylem walls?

A Adhesion
B Cohesion
C Condensation
D Gravity

4 What does the xylem primarily transport?

A Sugar and food
B Water and dissolved minerals
C Oxygen
D Carbon dioxide

5 In which direction does xylem transport substances?

A Downward only
B Upward only
C Upward and downward
D Sideways only

6 Which tissue is mostly made of dead, thick-walled cells?

A Phloem
B Xylem
C Epidermis
D Root hair

7 What does the phloem transport?

A Water
B Minerals
C Food produced by photosynthesis
D Soil nutrients

8 Which tissue is made of living cells and has thin walls?

A Xylem
B Phloem
C Bark
D Heartwood

9 In which directions can phloem transport materials?

A Upward only
B Downward only
C Upward and downward
D None of the above

10 What is the loss of water vapor from plant leaves called?

A Transpiration
B Respiration
C Photosynthesis
D Absorption

11 Besides transporting water and minerals, what else does xylem provide?

A Energy
B Structural support
C Food storage
D Oxygen production

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