As the amount of carbon dioxide increases, the rate of photosynthesis _____.
increases
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15
How do you call the waxy layer that prevents water loss from the top of the leaf?
Cuticle
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15
The 3 limiting factors that affect the rate of TRANSPIRATION are temperature, humidity and light intensity.
True or false?
True
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20
Where are auxins produced?
Auxins are produced in the tips of roots and shoots of plants.
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20
If the sun shines on the right side of a plantâs shoot, auxins will accumulate on the ______ side.
dark opposite left
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seesaw
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star
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gift
Win 20 points!
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thief
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25
eraser
Reset score!
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shark
Other team loses 15 points!
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shark
Other team loses 15 points!
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lifesaver
Give 25 points!
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15
The image represents xylem and phloem in the different transverse sections of the plant. Can you tell which drawing corresponds to the leaf and which one to the stem?
Upright: stem, down: leaf
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15
The palisade cells contain much more chloroplasts than the spongy cells from the mesophyll.
True or false?
True
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20
The 3 limiting factors of Photosynthesis are light intensity, carbon dioxide concentration, and temperature.
True or false?
True
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20
How do you call the vessel that transports water and dissolved minerals and has lignified walls made of cellulose?
Xylem
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15
"Chlorophyll is a green pigment that traps light. It can be found inside the chloroplasts"
True or false?
True
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15
As temperature increases, the rate of photosynthesis _____ until it reaches optimum temperature 40°C.
increases
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15
How do you call the vessel that transports nutrients?
Phloem
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banana
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fairy
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25
shark
Other team loses 25 points!
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lifesaver
Give 15 points!
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20
Define TRANSLOCATION.
Movement of sucrose and amino acids in phloem; from regions of production (sources) to regions of storage or to regions of utilization in respiration or growth
