CAIE IGCSE Biology 6.1.2 Word Equation for Photosynthesis Questions

Practise writing carbon dioxide + water → glucose + oxygen in the correct direction and identifying light and chlorophyll as necessary conditions rather than reactants.

Exam points

Complete the word equation with carbon dioxide and water as reactants and glucose and oxygen as products.
Show light and chlorophyll as conditions for photosynthesis, not as reactants.

[Maximum number: 1]

The following can be used to write a word equation for photosynthesis.
1 carbon dioxide and water

2 light and chlorophyll
3 glucose and oxygen
Which shows a correct word equation for photosynthesis?

$1 \rightarrow 2$ in the presence of 3

$1 \rightarrow 3$ in the presence of 2

$2 \rightarrow 3$ in the presence of 1

$3 \rightarrow 1$ in the presence of 2

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CAIE IGCSE Biology 6.1.2 Word Equation for Photosynthesis Questions question 1