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METABOLISM Online Test and Answers Pdf Download :-
These are very useful & Most Asked Questions in your certification Exam. Read all Online Mock Test Exam Question Bank for Beginners Freshers & Experienced.
1)The final electron acceptor in the ETS is ATP synthetase?
A. True
B. False
Answer: B
2)Oxygen gas is used to oxidize the last organic component of the ETS?
A. True
B. False
Answer: A
3)Cytochromes are not found in the Krebs cycles but are important in transporting electrons derived from the Krebs cycles?
A. True
B. False
Answer: A
4)Urea is a byproduct of protein synthesis?
A. True
B. False
Answer: B
5)Sulfur is an element found in the ETS?
A. True
B. False
Answer: A
6)ATP synthetases form ATP in the mitochondrion’s outer compartment as H+ ions diffuse into that compartment?
A. True
B. False
Answer: B
7)Chemiosmosis production of ATP occurs in the Kreb’s cycle?
A. True
B. False
Answer: B
8)An oxygen debt results if too much oxygen is used up in the Kreb’s cycle reactions?
A. True
B. False
Answer: B
9)Glyceraldehyde phosphate is a part of the citric acid cycle?
A. True
B. False
Answer: B
10)The specific carrier through which glucose enters mucosal cell is GLUT-5?
A. True
B. False
Answer: B
11)Beta-oxidation gives rise to acetyl compounds that can enter the Kreb cycle reactions?
A. True
B. False
Answer: A
12)In the Krebs cycle, ATP is made when a phosphate is transferred from GTP to ADP?
A. True
B. False
Answer: A
13)Glycogen synthase (or synthetase) builds glycogen by linking together glucose molecules?
A. True
B. False
Answer: A
14)Coenzyme Q is formed when pyruvic acid is reduced?
A. True
B. False
Answer: B
15)A person’s metabolic rate is positively affected by body temperature?
A. True
B. False
Answer: A
16)Pyruvic acid is more reduced than lactic acid
A. True
B. False
Answer: B
17)Glycogen phosphorylase hydrolyzes (breaks down) glycogen, giving rise to glucose-phosphate molecules?
A. True
B. False
Answer: A
18)Substrate-level phosphorylation of ADP occurs at the end of the ETS?
A. True
B. False
Answer: A
19)NAD can become oxidized in the cytosol and in the mitochondrion?
A. True
B. False
Answer: A
20) Glucose-phosphate molecules lose their phosphate groups when the glucose becomes part of glycogen?
A. True
B. False
Answer: A
21)Lipogenesis is more common during starvation?
A. True
B. False
Answer: B
22)Iron is an element found in the ETS?
A. True
B. False
Answer: A
23)Decarboxylation occurs in the Kreb’s cycle and during the time when pyruvate is oxidized?
A. True
B. False
Answer: A
24) The fermentation reaction allows NADH to be oxidized?
A. True
B. False
Answer: A
25) Gluconeogenesis primarily involves the conversion of glycerol and amino acids to glucose in the liver?
A. True
B. False
Answer: A
26) Alpha-ketoglutarate is made inside the mitochondrion?
A. True
B. False
Answer: A
27) An acetyl compound is formed when pyruvic acid becomes reduced by NADH?
A. True
B. False
Answer: B
28)Coenzyme A binds with citric acid to begin the Kreb’s cycle?
A. True
B. False
Answer: B
29)Niacin (or nicotinic acid) is part of an electron carrier in glycolysis and the Kreb’s cycle?
A. True
B. False
Answer: A
30)Glucose and galactose, and some fructose molecules exit intestinal mucosal cells through GLUT-2 carriers?
A. True
B. False
Answer: A
METABOLISM Objective type Questions with Answers
31)Vitamin B2 is in the coenzyme called NAD?
A. True
B. False
Answer: B
32)FAD becomes oxidized in the Kreb’s cycle?
A. True
B. False
Answer: B
33)A calorimeter more directly measures the amount of heat liberated in the body than does a respirometer?
A. True
B. False
Answer: A
34)To hydrolyze glycogen and release glucose into the blood, the liver uses glucokinase and glucose phosphatase?
A. True
B. False
Answer: B
35)Vitamin B5 is important to getting energy-containing compounds into the Krebs cycles?
A. True
B. False
Answer: A
36) Carbon dioxide in humans forms when pyruvate is converted to lactate?
A. True
B. False
Answer: B
37) Cytochromes are found in the Kreb’s cycle?
A. True
B. False
Answer: B
38) Acetyl CoA forms in the cytosol and then enters the mitochondrion to bind to citric acid?
A. True
B. False
Answer: B
39)Beta-oxidation is associated with the catabolism of fatty acids?
A. True
B. False
Answer: A
40)Copper is an element in the ETS?
A. True
B. False
Answer: A
41)Malate-aspartate is a system that shuttles electrons from cytosolic NADH to the ETS?
A. True
B. False
Answer: A
42)The TCA cycle is responsible for making urea?
A. True
B. False
Answer: B
43)Ornithine is in a series of reactions whereby the liver uses CO2 and NH3 to make urea, which is excreted?
A. True
B. False
Answer: A
44)The minimum amount of energy required to keep a person alive when they are not exercising, digesting food, or under any stress is called basal metabolic rate?
A. True
B. False
Answer: A
45)Glycerol phosphate shuttles electrons from NADH molecules in the cytoplasm to the ETS in the mitochondrion?
A. True
B. False
Answer: A
46)Citrulline is an important compound when considering how the body eliminates ammonia?
A. True
B. False
Answer: A
47)The hydrolysis of fatty acids is called transamination and results in the formation of coenzyme A molecules?
A. True
B. False
Answer: B
48)Glucose and galactose enter mucosal cells in the intestine by passing through carriers simultaneously with sodium ions?
A. True
B. False
Answer: A
49)A cell must expend energy in the form of ATP to get a pyruvate into the mitochondrion for further oxidation?
A. True
B. False
Answer: A
50)Reporting BMR as Kcal/hour allows logical comparison of different-size individuals?
A. True
B. False
Answer: B
51)The Kreb’s cycle does not use O2 directly but will eventually cease if O2 is not present in the mitochondrion?
A. True
B. False
Answer: A
52)Glucokinase phosphorylates glucose after glucose enters the cell?
A. True
B. False
Answer: A
53)Piloerection is a heat-loss mechanism?
A. True
B. False
Answer: B
54)The Krebs cycles would eventually cease if oxygen is not available for the ETS?
A. True
B. False
Answer: A
55)A person’s metabolic rate increases as outside temperature increases toward room temperature?
A. True
B. False
Answer:B
56)Fumaric acid is one of the glycolysis compounds?
A. True
B. False
Answer: B
57)Fermentation would occur if the ETS stopped working, even if oxygen is still available?
A. True
B. False
Answer: A
58)Thyroxine secretion would be part of a heat-producing mechanism?
A. True
B. False
Answer: A
59)Electrons coming out of the Krebs cycle reactions are not transported by the malate-aspartate or glycerol phosphate shuttles?
A. True
B. False
Answer: A
60)Oxygen is not used directly in the Kreb’s cycle?
A. True
B. False
Answer: A