Respiration in Plants Question 13

13. Aerobic respiratory pathway is appropriately termed:

[2009]

(a) parabolic

(b) amphibolic

(c) anabolic

(d) catabolic

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Answer : b

Hints & Solutions

(b) All energy-releasing pathways whether aerobic (requiring oxygen) or anaerobic (not requiring oxygen) begin with a pathway called glycolysis, which occurs in the cytoplasm (cytosol). Aerobic respiratory pathway is thus appropriately termed as amphibolic. Aerobic respiration is the main energy-releasing pathway leading to ATP formation. It occurs in the mitochondria and yields thirty-six ATP.