Metabolism Multiple choice Questions & Answers
Best Metabolism Objective type Questions and Answers
Dear Readers, Welcome to Metabolism Objective Questions and Answers have been designed specially to get you acquainted with the nature of questions you may encounter during your Job interview for the subject of Metabolism Multiple choice Questions. These Objective type Metabolism Questions are very important for campus placement test and job interviews. As per my experience good interviewers hardly plan to ask any particular question during your Job interview and these model questions are asked in the online technical test and interview of many Medical Industry.
1)The final electron acceptor in the ETS is ATP synthetase?
A. True
B. False
Ans: B
2)Oxygen gas is used to oxidize the last organic component of the ETS?
A. True
B. False
Ans: 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
Ans: A
4)Urea is a byproduct of protein synthesis?
A. True
B. False
Ans: B
5)Sulfur is an element found in the ETS?
A. True
B. False
Ans: A
6) ATP synthetases form ATP in the mitochondrion's outer compartment as H+ ions diffuse into that compartment?
A. True
B. False
Ans: B
7)Chemiosmosis production of ATP occurs in the Kreb’s cycle?
A. True
B. False
Ans: B
8)An oxygen debt results if too much oxygen is used up in the Kreb's cycle reactions?
A. True
B. False
Ans: B
9)Glyceraldehyde phosphate is a part of the citric acid cycle?
A. True
B. False
Ans: B
10)The specific carrier through which glucose enters mucosal cell is GLUT-5?
A. True
B. False
Ans: B
11)Beta-oxidation gives rise to acetyl compounds that can enter the Kreb cycle reactions?
A. True
B. False
Ans: A
12)In the Krebs cycle, ATP is made when a phosphate is transferred from GTP to ADP?
A. True
B. False
Ans: A
13)Glycogen synthase (or synthetase) builds glycogen by linking together glucose molecules?
A. True
B. False
Ans: A
14)Coenzyme Q is formed when pyruvic acid is reduced?
A. True
B. False
Ans: B
15)A person’s metabolic rate is positively affected by body temperature?
A. True
B. False
Ans: A
16)Pyruvic acid is more reduced than lactic acid
A. True
B. False
Ans: B
17)Glycogen phosphorylase hydrolyzes (breaks down) glycogen, giving rise to glucose-phosphate molecules?
A. True
B. False
Ans: A
18)Substrate-level phosphorylation of ADP occurs at the end of the ETS?
A. True
B. False
Ans: A
19)NAD can become oxidized in the cytosol and in the mitochondrion?
A. True
B. False
Ans: A
20) Glucose-phosphate molecules lose their phosphate groups when the glucose becomes part of glycogen?
A. True
B. False
Ans: A
21)Lipogenesis is more common during starvation?
A. True
B. False
Ans: B
22)Iron is an element found in the ETS?
A. True
B. False
Ans: A
23)Decarboxylation occurs in the Kreb’s cycle and during the time when pyruvate is oxidized?
A. True
B. False
Ans: A
24) The fermentation reaction allows NADH to be oxidized?
A. True
B. False
Ans: A
25) Gluconeogenesis primarily involves the conversion of glycerol and amino acids to glucose in the liver?
A. True
B. False
Ans: A
26) Alpha-ketoglutarate is made inside the mitochondrion?
A. True
B. False
Ans: A
27) An acetyl compound is formed when pyruvic acid becomes reduced by NADH?
A. True
B. False
Ans: B
28)Coenzyme A binds with citric acid to begin the Kreb’s cycle?
A. True
B. False
Ans: B
29)Niacin (or nicotinic acid) is part of an electron carrier in glycolysis and the Kreb’s cycle?
A. True
B. False
Ans: A
30)Glucose and galactose, and some fructose molecules exit intestinal mucosal cells through GLUT-2 carriers?
A. True
B. False
Ans: A
31)Vitamin B2 is in the coenzyme called NAD?
A. True
B. False
Ans: B
32)FAD becomes oxidized in the Kreb’s cycle?
A. True
B. False
Ans: B
33)A calorimeter more directly measures the amount of heat liberated in the body than does a respirometer?
A. True
B. False
Ans: A
34)To hydrolyze glycogen and release glucose into the blood, the liver uses glucokinase and glucose phosphatase?
A. True
B. False
Ans: B
35)Vitamin B5 is important to getting energy-containing compounds into the Krebs cycles?
A. True
B. False
Ans: A
36) Carbon dioxide in humans forms when pyruvate is converted to lactate?
A. True
B. False
Ans: B
37) Cytochromes are found in the Kreb’s cycle?
A. True
B. False
Ans: B
38) Acetyl CoA forms in the cytosol and then enters the mitochondrion to bind to citric acid?
A. True
B. False
Ans: B
39)Beta-oxidation is associated with the catabolism of fatty acids?
A. True
B. False
Ans: A
40)Copper is an element in the ETS?
A. True
B. False
Ans: A
41)Malate-aspartate is a system that shuttles electrons from cytosolic NADH to the ETS?
A. True
B. False
Ans: A
42)The TCA cycle is responsible for making urea?
A. True
B. False
Ans: 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
Ans: 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
Ans: A
45)Glycerol phosphate shuttles electrons from NADH molecules in the cytoplasm to the ETS in the mitochondrion?
A. True
B. False
Ans: A
46)Citrulline is an important compound when considering how the body eliminates ammonia?
A. True
B. False
Ans: A
47)The hydrolysis of fatty acids is called transamination and results in the formation of coenzyme A molecules?
A. True
B. False
Ans: B
48)Glucose and galactose enter mucosal cells in the intestine by passing through carriers simultaneously with sodium ions?
A. True
B. False
Ans: 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
Ans: A
50)Reporting BMR as Kcal/hour allows logical comparison of different-size individuals?
A. True
B. False
Ans: 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
Ans: A
52)Glucokinase phosphorylates glucose after glucose enters the cell?
A. True
B. False
Ans: A
53)Piloerection is a heat-loss mechanism?
A. True
B. False
Ans: B
54)The Krebs cycles would eventually cease if oxygen is not available for the ETS?
A. True
B. False
Ans: A
55)A person's metabolic rate increases as outside temperature increases toward room temperature?
A. True
B. False
Ans:B
56)Fumaric acid is one of the glycolysis compounds?
A. True
B. False
Ans: B
57)Fermentation would occur if the ETS stopped working, even if oxygen is still available?
A. True
B. False
Ans: A
58)Thyroxine secretion would be part of a heat-producing mechanism?
A. True
B. False
Ans: 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
Ans: A
60)Oxygen is not used directly in the Kreb’s cycle?
A. True
B. False
Ans: A