General Biology Photosynthesis

20 Questions  I  By Rositaross
Intro to photosynthesis

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