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Photosynthesis in Plants Worksheet
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Photosynthesis in Plants Worksheet
🌱 Part 1: Multiple Choice
1. What is the main purpose of photosynthesis in plants?
To absorb water from soil
To make food using sunlight
To release oxygen into air
To grow taller
2. Which part of the plant cell contains chlorophyll?
Nucleus
Cell wall
Chloroplasts
Vacuole
3. What do guard cells control?
The opening and closing of stomata
The colour of leaves
The height of the plant
The size of chloroplasts
4. Which of these are needed for photosynthesis? (Check all that apply)
Sunlight
Carbon dioxide
Water
Soil nutrients
✏️ Part 2: Fill in the Blanks & Short Answers
5. Complete the photosynthesis equation:
_____________ + _____________ + sunlight → glucose + _____________
6. The green substance in chloroplasts that captures sunlight is called _____________.
7. Small pores on the underside of leaves are called _____________.
8. Explain in 2-3 sentences how chloroplasts help plants make food.
9. Why do plants need stomata for photosynthesis? Give two reasons.
🌍 Part 3: Critical Thinking
10. Explain why photosynthesis is vital for life on Earth. Include how it affects both plants and animals.
11. A student notices that plants in a dark cupboard are turning yellow and dying. Use your knowledge of photosynthesis to explain why this is happening.
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