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Grade 9 Science · Biology
Plants: structure, transport, growth and reproduction
Tap the roots, stem, leaves and flower to see how each part takes in, moves or makes what the plant needs.
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Thousands of root hairs give the root a huge surface for taking in water and minerals.
Water enters by osmosis, because the root’s cells hold more dissolved minerals than the soil water.
Assumptions
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A flowering plant’s organs are its roots, stem, leaves and flowers; tap one to read its job.
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Xylem carries water and minerals up from the roots; phloem carries sugar from the leaves to where it is used.
Topic check
See what you know: 5 questions on this topic
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More problem types
Transpiration rate
Use this for “A leafy shoot in a potometer takes up 4.8 mL of water in 6 hours. What is its rate?”
Xylem or phloem?
Use this for “Which tissue carries sugar from the leaves to the roots?”
Which tropism is it?
Use this for “Why does a houseplant bend toward the window?”
Which nutrient is it?
Use this for “Why do farmers plant beans to add nitrogen to the soil?”
A flowering plant’s life cycle
Use this for “Put these in order: pollination, fertilization, seed dispersal, germination.”
The parts of a flower
Use this for “Which part of the flower becomes the fruit?”