Q.

Which of the following statements is incorrect regarding cellular respiration and gas exchange in plants?

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a

Under anaerobic conditions, pyruvate can be metabolized into lactic acid or ethanol, depending on the organism and oxygen availability.

b

Lenticels are involved in facilitating aerobic respiration by allowing oxygen to enter the plant tissues.

c

Glycolysis, the initial stage of cellular respiration, occurs in the cytoplasm and breaks glucose into two molecules of pyruvic acid.

d

The Krebs’ cycle occurs in the cytoplasm of both prokaryotic and eukaryotic cells.

answer is B.

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Detailed Solution

The Krebs’ cycle occurs in the mitochondrial matrix of eukaryotic cells.

In prokaryotes lik e bacteria, there are mesosomes where aerobic respiration takes place.

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