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biology 0610printed 76 · PDF 76
328 pagesrevision 46933
printed 76 · PDF 76
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What is formed first in a leaf as a result of photosynthesis?
B glucose
C .sstarch
D_ water
From which part of a leaf does most water evaporate during transpiration?
A the cuticle
B_ the guard cells
€ the spongy mesophyll cells
D the xylem vessels
Which product of photosynthesis moves out of a green leaf through its stomata?
A carbon dioxide
B glucose
Cc oxygen
D_ water
What is carried by the xylem?
A chlorophyll
B_ mineral ions
Cs starch
D sugars
Which two substances are needed for photosynthesis?
A carbon dioxide and glucose
carbon dioxide and water
B
C oxygen and glucose
Doxygen and water
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