Plant Nutrition Review

In which organ of the plant does photosynthesis take place?

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Name the pigment responsible for the green colour of plants.

The diagram shows a cross-section of a leaf under the microscope.
Where is light energy converted into chemical energy?

• A

• B

• C

• D

The diagram shows a cross-section of a dicotyledonous leaf.
Which labelled parts of the leaf carry out photosynthesis?

• 2

• 3

• 4

• 5

• 6

The diagram shows some of the structures seen in a section through a dicotyledonous leaf.
Which two features are missing from this diagram?

• cuticle and epidermis

• epidermis and guard cells

• guard cells and vascular bundle

• vascular bundle and cuticle

Which region in a leaf contains cells with the greatest number of chloroplasts?

Which word equation describes photosynthesis?

• glucose + carbon dioxide → oxygen + water

• glucose + oxygen → carbon dioxide + water

• carbon dioxide + water → glucose + oxygen

• oxygen + water → glucose + carbon dioxide

The diagram shows the movement of substances involved in photosynthesis in a leaf.

Which substance is shown by the arrow labelled 1?

Which graph shows the effect of temperature on the rate of photosynthesis?

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The diagrams show an experiment to find the rate of photosynthesis in an aquatic plant under different conditions.

Which plant produces the most bubbles per minute?

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