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31. There is reduction as well as oxidation during photosynthesis hence called as
a. redox process
b. oxidative reaction
c. reduction
d. neutral process
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Answer: (a).redox process

32. Synthesis of ATP by initiation of reaction with light is called
a. photophosphorylation
b. photolysis
c. photo system
d. photosynthesis
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Answer: (a).photophosphorylation

33. Alternative path adopted by photo excited electrons is
a. cyclic electron flow
b. non-cyclic electron flow
c. cyclic neutron flow
d. non-cyclic proton flow
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Answer: (a).cyclic electron flow

34. Instrument which helps to measure ability of pigment to absorb light is called
a. thermometer
b. spectrophotometer
c. hydrometer
d. ceilometers
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Answer: (b).spectrophotometer

35. Second pay off phase of cellular respiration is called
a. preparatory phase
b. net phase
c. respiratory phase
d. oxidative phase
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Answer: (d).oxidative phase