VIRTUAL BIOLOGY LAB · LAB 12
🌰 Cellular Respiration in Germinating Seeds
Model oxygen consumption by germinating seeds using a respirometer.
CBSE Classes 11–12Interactive practicalDrag & drop challengeStudent notebook
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🔎 Learning objective
Model oxygen consumption by germinating seeds using a respirometer.
3Hands-on matches
1Knowledge check
🧬 Interactive laboratory workspace
Explore the biological idea using the model controls. This is a conceptual classroom simulation.
🌰
Cellular Respiration in Germinating Seeds
Germinating seeds respire actively and consume oxygen; boiled seeds can act as a control.
PRACTICAL WORKBENCH · EXPERIMENT 12
Ready to begin🧪 Respirometer station: Compare respiration in seeds
Germinating seeds respire actively; boiled seeds act as a non-living control.
APPARATUS & EXPERIMENT CONTROLS
01 · Set up apparatus02 · Adjust variables03 · Run trial04 · Record reading
◉Manometer movement▤
OBSERVATION & MEASUREMENTS
Seed condition—
Temperature—
Observation time—
Relative respiration—Awaiting run
Germinating seeds respire actively; boiled seeds act as a non-living control.
Scientific interpretation will appear after the trial.
Scientific note: Choose germinating or boiled seeds, set temperature and observe the respirometer response.
Model ready. Choose a condition and run the model to see an observation.
🧪 Hands-on drag & drop challenge
PRACTICAL SKILL BUILDERDrag each item from the tray to its correct destination. On a phone or tablet, tap an item and then tap its destination. Complete all three matches to finish.
🧰 MATERIALS & CONCEPTS
🎯 DROP ZONES
Choose an item and place it in the matching zone.
📓 Observation notebook
Record your observation and export it for revision.
Key concept: Germinating seeds respire actively and consume oxygen; boiled seeds can act as a control.
🎯 Quick knowledge check
A respirometer can estimate:
Select one answer to check your understanding.
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