General Biology Photosynthesis

20 Questions  I  By Rositaross
Intro to photosynthesis

  
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1.  The light reactions of photosynthesis generate high-energy electrons, which end up in _____. The light reactions also produce _____ and _____.
A.
B.
C.
D.
2.  The "photo-" part of the word "photosynthesis" refers to _____, whereas "-synthesis" refers to _____.
A.
B.
C.
D.
3.  Both mitochondria and chloroplasts _____.
A.
B.
C.
D.
4.  How does carbon dioxide enter the leaf?
A.
B.
C.
5.  What effect does photosynthesis have on the greenhouse effect?
A.
B.
C.
D.
E.
6.  In an experiment, a plant was given _____ containing radioactive 18O, and the radioactive oxygen atoms were used to make sugar.
A.
B.
C.
7.  Carbon dioxide makes up about _____ of the air we breathe
A.
B.
C.
8.  The wavelengths of light absorbed by pigments in the granum are mainly in which range?
A.
B.
C.
9.  The Calvin cycle is a series of reactions that _____.
A.
B.
C.
D.
E.
10.  Why is NADP+ needed in photosynthesis?
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B.
C.
D.
E.
11.  The _____ of photosynthesis performs a task similar to that of the _____ of cellular respiration.
A.
B.
C.
12.  In photosynthesis, plants use carbon from _____ to make sugar and other organic molecules
A.
B.
C.
13.  Which one of the following colors is most strongly reflected by chlorophyll?
A.
B.
C.
D.
E.
14.  Cellular respiration and photosynthesis are similar in that both involve _____.
A.
B.
C.
15.  When chloroplast pigments absorb light, _____.
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B.
C.
D.
16.  The photosynthetic event known as the Calvin cycle occurs in the _____.
A.
B.
C.
D.
17.  Which of these types of organisms produce the biosphere's food supply?
A.
B.
C.
18.  The source of the oxygen produced by photosynthesis has been identified through experiments using radioactive tracers. The oxygen comes from _____.
A.
B.
C.
D.
19.  In photosynthesis, what is the fate of the oxygen atoms present in CO2? They end up _____
A.
B.
C.
20.  During photosynthesis in chloroplasts, O2 is produced from _____ via a series of reactions associated with _____.
A.
B.
C.
D.
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