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eMusic Study Pack • Biology
Student
📖 Comprehensive Note
Turgidity is the state of a cell becoming swollen or firm due to the absorption of water by osmosis.
- Occurs when plant cells absorb water through osmosis.
- The vacuole fills with water, pressing the cytoplasm against the cell wall.
- The cell wall prevents bursting, keeping the cell firm.
- Turgidity helps plants remain upright and supports soft tissues.
🎤 Lyrics + Audio
Verse 1
When a plant cell’s in water, pure and deep,
Osmosis begins, the cell starts to keep.
The vacuole fills, the wall feels tight,
The cell stands firm — oh, what a sight!
It keeps the plant upright and tall,
Turgidity supports it all.
Chorus
Tur....gi...di..ty
Turgidity is the state of a cell
becoming swollen or firm due to the
absorption of water by osmosis.
Verse 2
A leaf in water, fresh and bright,
Becomes so stiff — it’s holding tight!
That’s turgidity at work, you see,
Keeping the plant firm and free!
Chorus
Tur....gi...di..ty
Turgidity is the state of a cell
becoming swollen or firm due to the
absorption of water by osmosis.
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📊 Line-by-Line Study Guide
| Lyric Line | Explanation |
|---|---|
| When a plant cell’s in water, pure and deep | Introduces the condition where osmosis begins. |
| Osmosis begins, the cell starts to keep | Water moves into the cell through osmosis. |
| The vacuole fills, the wall feels tight | The vacuole expands, pressing against the cell wall. |
| The cell stands firm — oh, what a sight! | Turgidity gives firmness and support. |
| It keeps the plant upright and tall | Turgid cells help maintain plant structure. |
💡 Mnemonic
"Turgid = Tight & Upright" — Think of turgid cells as tight balloons keeping a plant standing tall.
❓ Quiz
1. What causes turgidity in plant cells?
2. Which structure prevents a plant cell from bursting?
3. Why is turgidity important for plants?
🃏 Flashcards
Q1: Define turgidity.
The state of a cell becoming swollen or firm due to water absorption by osmosis.
Q2: What role does the vacuole play in turgidity?
It fills with water, increasing internal pressure against the cell wall.
Q3: What prevents a plant cell from bursting when turgid?
The cell wall.
🎯 Drag & Drop
Drag each statement to the correct box.
Definition of Turgidity
Process Involved
Effects on Plant
Examples
Cell becomes swollen and firm
Absorption of water by osmosis
Keeps the plant upright and firm
Leaf placed in water becomes stiff
📌 Summary
- Turgidity occurs when plant cells absorb water by osmosis.
- The vacuole fills, making the cell firm and supportive.
- Turgid cells help the plant remain upright and strong.