IGCSE Ch.6: Plant nutrition

Where does photosynthesis mostly occur in plants?

• Roots

• Leaves

• Stem

• Flowers

Which of the following is the equation for photosynthesis?

• A) Glucose + Oxygen → Carbon Dioxide + Water

• B) Carbon Dioxide + Water → Glucose + Oxygen

• C) Water + Glucose → Carbon Dioxide + Oxygen

• D) Carbon Dioxide + Oxygen → Glucose + Water

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Which of these is NOT a limiting factor of photosynthesis?

• Light intensity

• Carbon dioxide concentration

• Chlorophyll concentration

• Soil pH

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What is the role of chlorophyll in photosynthesis?

• Absorbs sunlight

• Breaks down glucose

• Transports nutrients

• Provides carbon dioxide

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Which ion is essential for chlorophyll synthesis?

• Potassium

• Magnesium

• Calcium

• Sodium

How do nitrate ions contribute to plant growth?

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In what form is glucose transported from the leaves to other parts of the plant?

What is the function of guard cells in photosynthesis?

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Name the tissue in a leaf responsible for water transport

Why does most of photoshynthesis occur in the palisade mesophyll?

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