Science Focus 2 TEST Chapter 7 - Pearson Australia Media ...

Science Focus 2 TEST
Chapter 7: Plant systems
5 In which of these plant leaf cells is the maximum rate of photosynthesis
expected to occur?
A Epidermal cells.
B Palisade cells.
C Xylem cells.
D Mesophyll cells.
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6 If carbon dioxide, water and chlorophyll are placed in a test tube in the sunlight
A glucose and bubbles of oxygen will be produced immediately.
B glucose and bubbles of oxygen will be produced, but only after a long
period of time.
C no reaction will occur because one reactant is missing.
D no reaction will occur because necessary enzymes are missing.
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7 Photosynthesis may be considered a two-stage process. Which of the following
occurs during stage 1?
A Energy is released by chlorophyll molecules.
B Energy is trapped by chlorophyll molecules.
C Carbon dioxide is released.
D Starch molecules are made.
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8 An experiment was conducted using the set-up shown below.
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The volume of gas collected in the test tube after 2 hours would not be affected
by the
A size of the test tube.
B mass of plant used.
C intensity of the light source.
D temperature of the solution.
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