VIRTUAL BIOLOGY LAB · LAB 10

🌞 Photosynthesis: Light and CO₂

Investigate how light intensity and carbon dioxide affect photosynthesis.

CBSE Classes 11–12Interactive practicalDrag & drop challengeStudent notebook

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🔎 Learning objective

Investigate how light intensity and carbon dioxide affect photosynthesis.

3Hands-on matches

1Knowledge check

🧬 Interactive laboratory workspace

Explore the biological idea using the model controls. This is a conceptual classroom simulation.

🌞

Photosynthesis: Light and CO₂

Light and carbon dioxide can limit photosynthetic rate when other factors are adequate.

PRACTICAL WORKBENCH · EXPERIMENT 10

🧪 Photosynthesis investigation bench: Investigate limiting factors

Photosynthesis rate is affected by limiting factors; increasing one factor has little effect when another is limiting.

Ready to begin

APPARATUS & EXPERIMENT CONTROLS

01 · Set up apparatus02 · Adjust variables03 · Run trial04 · Record reading

Light intensity CO₂ availability Temperature

◉Oxygen bubbles▤

OBSERVATION & MEASUREMENTS

Light intensity—

CO₂ availability—

Temperature—

Relative photosynthesis rate—Awaiting run

Photosynthesis rate is affected by limiting factors; increasing one factor has little effect when another is limiting.

Scientific interpretation will appear after the trial.

Scientific note: Change one factor at a time and observe the model oxygen production rate.

Model conditionObservation focus

Model ready. Choose a condition and run the model to see an observation.

🧪 Hands-on drag & drop challenge

PRACTICAL SKILL BUILDER

Drag 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: Light and carbon dioxide can limit photosynthetic rate when other factors are adequate.

🎯 Quick knowledge check

A limiting factor:

Select one answer to check your understanding.

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