E-PolyLearning

1226. The waste products release by yeast and CO₂ are
a. benzol
b. ethanol
c. citric acid
d. ammonia
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Answer: (b).ethanol

1227. The waste products of aerobic respiration are
a. water +Carbon dioxide
b. salt+carbon dioxide
c. water +oxygen
d. glucose + water
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Answer: (a).water +Carbon dioxide

1228. The chemical energy stored in organic food is release through process of
a. reduction
b. oxidation
c. metabolism
d. both a and b
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Answer: (b).oxidation

1229. Yeast can respire
a. aerobically
b. anaerobically
c. both a and b
d. none of the above
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Answer: (c).both a and b

1230. The energy used by plants for photosynthesis is
a. kinetic
b. potential
c. radiant
d. electrical
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Answer: (c).radiant