IGCSE - B6 + 8 - Transport in Plants & Plant nutrition Revision

Which two substances are the products of photosynthesis?

• carbon dioxide and glucose

• carbon dioxide and water

• oxygen and carbon dioxide

• oxygen and glucose

Four test-tubes are set up as shown in the diagram and left in full sunlight. After several hours, which test-tube contains the most dissolved oxygen?

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Which product of photosynthesis moves out of a green leaf through its stomata?

• carbon dioxide

• glucose

• oxygen

• water

Where in the leaf the photosynthesis happens?

• Epidermis

• Palisade Mesophyll

• Spongy mesophyll

• Vascular bundle

• Guard Cells

What is carried by xylem?

Which two substances are needed for photosynthesis?

• Carbon dioxide

• Oxygen

• Water

• Glucose

The diagram shows a palisade cell. In which region glucose is produced?

• A

• B

• C

• D

What does photosynthesis form in a leaf first?

• Cellulose

• Starch

• Fat

• Sugar

The diagram shows a section through a leaf. Which cell type absorbs the most carbon dioxide during the day?

• A

• B

• C

• D

Which graph shows most clearly what will happen to the rate of transpiration as humidity increases?

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