Q.16 Oxidative phase of glycolysis starts with dehydrogenation of
A) Glycolysis C) Glyceraldehyde 3-phosphate
B) Ribulose Bisphosphate D) NADH
Q.17 In one turn, the Krebs’s cycle produces one molecule of ATP, one molecule of FADH2 and
__________ molecules of NADH
A) 1 C) 3
B) 2 D) 4
Q.18 Which one of the following is the stage of cellular respiration for which oxygen is not essential?
A) Glycolysis C) Krebs’s cycle
B) Pyruvate oxidation D) Electron Transport Chain
Q.19 Pyruvate, the end product of glycolysis moves from cytosol to mitochondrial matrix where it is
oxidized into ___________ producing CO2 as a by-product.
A) Acetic acid (active) C) NAD
B) Citrate D) FAD