Q.21 In light independent stage of photosynthesis, the CO2 combines with _______ to form an
unstable 6-carbon intermediate.
A) Ribulose bisphosphate C) Glycerate-3-phosphate
B) Hexose sugar D) Glyceraldehyde-9-phosphate
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Q.22 In glycolysis, glycerate-1,3-bisphosphate is converted into glycerate-3-phosphate by losing
_____________ phosphate molecules.
A) 3 C) 1
B) 2 D) 4
Q.23 Malate is oxidized by _______ to oxaloacetate in Krebs’s Cycle.
A) ATP C) NAD
B) NADP D) FAD
Q.24 In electron transport chain, the electrons from NADH and FADH2 are passed to;
A) Cytochrome a C) Co-enzyme c
B) Cytochrome a3 D) Co-enzyme Q
Q.25 Carriers of the respiratory chain are located on:
A) Matrix of mitochondria C) Inner membrane of mitochondria
B) Outer membrane of mitochondria D) Cytoplasmic matrix