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(A) In green plants, light plus the green pigment chlorophyll results in the presence of starch.
(B) Plants must have chlorophyll in order to synthesize organic nutrients.
(C) Plants cannot grow without light.
(D) The green chlorophyll molecule uses light energy to split one molecule of water.
(E) In green plants, light plus starch produces water.
The correct answer is (A).  During photosynthesis, glucose sugar is produced from carbon
dioxide and water. Some of the sugar may be stored as starch, the presence of which can be
tested. This experiment tests the effects of both the presence and absence of light and the
presence and absence of chlorophyll. Only choice (A) relates to all of these factors.

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Lesson 9
252
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ARCO
■ SAT II Subject Tests
BIOLOGY E/M SUBJECT TEST ANSWER SHEET

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Biology E/M Subject Test
253
ARCO
■ SAT II Subject Tests
w w w . p e t e r s o n s . c o m / a r c o
BIOLOGY E/M SUBJECT TEST
Part A
Directions: Each of the following questions or incomplete statements is followed by five possible
answers or completions. Select the one choice that is best in each case and darken the corresponding
circle on the answer sheet.
1. In the normal human circulatory system, the
mean blood pressure is lowest in the
(A) aorta
(B) arteries
(C) arterioles
(D) capillaries
(E) inferior vena cava
2. Structural components common to plant cell
walls but not part of bacterial cell walls in-
clude which of the following?
I.
Peptidoglycan