Chapter 13.2 B Question Preview (ID: 5712)
Section 2.
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The cells that open and close the stomata are the ___.
a) guard cells
b) xylem cells
c) cuticle cells
d) mesophyll cells
Chloroplasts contain ___, a green pigment that absorbs light energy.
a) photosynthesis
b) a cuticle
c) chlorophyll
d) an ovule
To produce food, a plant needs ___.
a) oxygen
b) sunlight
c) sugar
d) all of the answers
Chlorophyll absorbs ___.
a) water
b) carbon dioxide
c) light energy
d) oxygen
Sunlight is actually ___.
a) clear light
b) yellow light
c) orange light
d) a mixture of all the colors of the rainbow
A by-product of photosynthesis is ___.
a) oxygen
b) carbon dioxide
c) carbon monoxide
d) nitrogen
The sugar made and used by plants is made in the ___.
a) roots
b) stems
c) leaves
d) flowers
When there is light, photosynthesis can ___.
a) occur, and the stomata will not be open
b) not occur, and the stomata will not be open
c) not occur, and the stomata will be open
d) occur, and the stomota will be open
When the stomata on a leaf are open, ___ diffuses into the leaf.
a) oxygen
b) carbon dioxide
c) water
d) chlorophyll
The primary photosynthetic organs of plants are the ___.
a) leaves
b) stems
c) roots
d) flowers
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