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Quiz 137
Mdcat-past-papers Quiz
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2721. Pyruvate → Acetyl CoA
FAD → FADH
NAD+ → NADH + H+
NAD → NADH
FADH+ → FAD+H+
2722. In glycolysis, glycerate-1,3-bisphosphate in converted into glycerate-3-phosphate by losing phosphate molecule:
3
2
1
4
2723. Malate is oxidized by ------ to oxaloacetate in Krebs cycle :
ATP
NADP
NAD
FAD
2724. In electron transport chain, the electrons from NADH and FADH2 are passed to:
Cytochrome a
Cytochrome a3
Co-enzyme C
Co-enzyme Q
2725. Carriers of the respiratory chain are located:
Matrix of mitochondria
Inner membrane of mitochondria
Outer membrane of mitochondria
Not specified (not fully visibl
2726. In aerobic respiration:
Pyruvate is completely oxidized to form CO2 and H2O
Pyruvate is completely oxidized to form oxygen and water
Pyruvate is carboxylated to form citrate
Pyruvate is converted to ethanol and CO2
2727. The enzymes required in glycolysis are present in:
Cell cytoplasm
Golgi Apparatus
Inner mitochondrial membrane
Matrix of mitochondria
2728. In chemiosmosis, the proton (H+) pumps moves from:
Stroma to Lumen
Stroma to cytoplasm
lumen to stroma
Cytoplasm to stroma
2729. Glycolysis takes place in the ----- of cell:
Golgi complex
Nucleus
Cytoplasm
Mitochondria
2730. How many molecules of ATP will be utilized for phosphorylation of one glucose molecule during glycolysis:
one
two
three
four
2731. What is the end product of glucose by yeast in anaerobic respiration?
Ethanol & oxygen
Ethanol & water
Ethanol & CO2
Lactic acid & CO2
2732. Each carrier in Electron Transport chain is first -----and then-----.
Broken-down, Regenerate
Generated, Broken down
Oxidized, reduced
Reduced, Oxidized
2733. Electron transport chain explains:
Photophosphorylation
Photolysis
Z-Scheme
Mechanism of ATP synthesis
2734. Which of the following is not a consequence of anaerobic respiration in human muscle cells?
Cramps
High consumption of energy
Pain
Tiredness
2735. Out of 36 ATPs, how many are produced in electron transport chain ?
28
32
30
34
2736. Which is the major event in electron transport chain?
ATP synthesis
Substitution
Decarboxylation
isomerization
2737. Which of the following is used in baking?
aerobic respiration
External respiration
anaerobic respiration
Internal respiration
2738. What is the importance of Kreb's cycle?
Production of amino acids
Production of vitamins
Production of ATP molecules through oxidative phosphorylation
Production of pyruvic acid
2739. The acceptor of carbon dioxide in Calvin cycle is:
RuBP
RuMP
PGA
PGA1
2740. Which statement is correct about glycolysis process?
2 ATP are produced and 2 ATP are consumed
1 ATP is produced and 2 ATP are consumed
2 ATP are produced and 1 ATP are consumed
2 ATP are produced and 4 ATP are consumed
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