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41. Splitting of water molecule releasing oxygen is called
a. photosynthesis
b. photolysis
c. photolytic
d. photophosphorylation
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Answer: (b).photolysis

42. Exchange of gases between organism and environment is termed as
a. internal respiration
b. external respiration
c. respiration
d. acquired respiration
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Answer: (b).external respiration

43. Photosynthetic prokaryotes have special photosynthetic membranes which work like
a. lumen
b. stamen
c. thylakoids
d. stroma
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Answer: (c).thylakoids

44. Chloroplast is present inside leaf within tissue called
a. palisade mesophyll
b. microphyll
c. epidermis
d. spongy mesophyll
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Answer: (a).palisade mesophyll

45. Photosynthesis occur in time of
a. day
b. night
c. mid night
d. all the time
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Answer: (a).day