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WorksheetsPhotosynthesis
Total questions: 10
Worksheet time: 6mins
Which two substances are the products of photosynthesis?
carbon dioxide and glucose
carbon dioxide and water
oxygen and carbon dioxide
oxygen and glucose
Plants manufacture their own supplies of carbohydrate. What are the raw materials of this process?
carbon dioxide and chlorophyll
carbon dioxide and water
oxygen and chlorophyll
oxygen and water
The diagram shows a cross-section of part of a leaf. Which type of cell is found in layer X?
What is formed first in a leaf as a result of photosynthesis?
chlorophyll
glucose
starch
water
Which product of photosynthesis moves out of a green leaf through its stomata?
carbon dioxide
glucose
oxygen
water
The diagram shows the apparatus used in an investigation to measure the rate of oxygen production during photosynthesis.
The investigation was repeated several times and the average amount of gas collected was calculated. Which two factors must be kept constant during this investigation?
the amount of water in the beaker and the height of the measuring cylinder
the size of aquatic plant and the amount of gas in the measuring cylinder
the size of aquatic plant and the duration of exposure to light
the size of the beaker and the funnel
Which element is found in a molecule of chlorophyll?
calcium
iron
lead
magnesium
Which cell type contains the most chloroplasts?
palisade mesophyll
phloem
spongy mesophyll
xylem
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?
Which substances are transported in the phloem?
amino acids and starch
amino acids and sucrose
protein and starch
starch and sucrose
