Metabolism MCQ 119+

Test your knowledge with important Metabolism MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 149 + more Metabolism MCQs at Bissoy

• In which of the following phenomenon the end product act as co-repressor and repress the synthesis of metabolic enzymes?
  ক

  Allosteric regulation

  খ

  Feedback repression

  গ

  Feedback inhibition

  ঘ

  Regulation by phosphorylation
• Name the inhibition where end products of biosynthesis pathway inhibit the activity of the first enzyme?
  ক

  Feedback inhibition

  খ

  Feedback repression

  গ

  Allosteric inhibition

  ঘ

  Competitive inhibition
• Which of the following is not an enzyme-catalyzed reaction in metabolism?
  ক

  Isomerization and elimination

  খ

  Internal rearrangement

  গ

  Maillard reaction

  ঘ

  Free radical reaction
• Regulation of metabolic pathway is done by following ways except one, mark the one?
  ক

  Substrate concentration

  খ

  Allosteric regulation of enzymes

  গ

  Availability of oxygen

  ঘ

  Extracellular signals i.e. hormones or growth factors
• Mark the INCORRECT statement about metabolic pathway.
  ক

  They show the irreversible pathway

  খ

  Each one of them has first committed step

  গ

  They follow the only oxidative process

  ঘ

  They are regulated
• Which of the following cycle shows amphibolic pathway?
  ক

  Glyoxylate

  খ

  Citric acid cycle

  গ

  Glycolysis

  ঘ

  Lipid metabolism
• Name the type of the pathway which is involved in the synthesis of compounds?
  ক

  Anabolic pathways

  খ

  Catabolic pathways

  গ

  Amphibolic pathway

  ঘ

  Anapleurotic pathway
• Which of the following has a spiral metabolic pathway?
  ক

  Glycolysis

  খ

  Citric acid cycle

  গ

  Glyoxylate cycle

  ঘ

  Fatty acid biosynthesis
• The catabolic pathway is exergonic in nature.
  ক

  True

  খ

  False
• Chemical compounds involved in the process of metabolism is known as ___________
  ক

  Metabolites

  খ

  Radicals

  গ

  Catabolites

  ঘ

  Intermediates
• How many types of protein kinases are there?
  ক

  1

  খ

  2

  গ

  3

  ঘ

  4
• Protein kinases are responsible for transferring which group?
  ক

  oxygen

  খ

  carbon

  গ

  amino

  ঘ

  phosphate
• How many mechanisms exist for altering the shape of an enzyme, playing a role in regulating glucose oxidation?
  ক

  1

  খ

  2

  গ

  3

  ঘ

  4
• A cell’s reservoir of NADPH represents its _______________
  ক

  oxidation state

  খ

  oxidation power

  গ

  tensile strength

  ঘ

  reducing power
• Yeast cells convert pyruvate to lactate.
  ক

  True

  খ

  False
• In case of repeated contraction, muscle cells regenerate NAD⁺ by converting pyruvate to _____________
  ক

  glycogen

  খ

  lactate

  গ

  starch

  ঘ

  cellulose
• In fermentation, which of the following is regenerated?
  ক

  Starch

  খ

  Oxygen

  গ

  NAD⁺

  ঘ

  NADH
• NAD⁺ can be derived from which vitamin?
  ক

  A

  খ

  C

  গ

  Riboflavin

  ঘ

  Niacin
• NAD is a _________
  ক

  enzyme

  খ

  cofactor

  গ

  protein

  ঘ

  nucleoside
• Glycolysis begins with which of the following reactions?
  ক

  reduction

  খ

  oxidation

  গ

  phosphorylation

  ঘ

  acidification
• The TCA cycle occurs in which region of a prokaryotic cell?
  ক

  cytosol

  খ

  mitochondria

  গ

  ribsomes

  ঘ

  golgi complex
• How many molecules of ATP are formed per molecule of oxidation of glucose?
  ক

  12

  খ

  24

  গ

  36

  ঘ

  48
• Anabolic pathways are energy-requiring.
  ক

  True

  খ

  False
• Energy released by catabolic pathways is stored in how many forms?
  ক

  1

  খ

  2

  গ

  3

  ঘ

  4
• Catabolic pathways result in _______________ of the molecules.
  ক

  assembly

  খ

  functionalization

  গ

  conformation

  ঘ

  disassembly
• Type A lactic acidosis is/are found in
  ক

  Carbon monoxide poisoning

  খ

  Severe anemia

  গ

  Ethanol poisoning

  ঘ

  Mitochondrial dysfunction

  ঙ

  Acute liver failure
• Stress causes
  ক

  Lysosomal stabilization

  খ

  Protein mobilization

  গ

  Gluconeogenesis

  ঘ

  Glucose mobilization

  ঙ

  Decrease ACTH secretion
• The aerobic exercise
  ক

  Require energy supply from break down of A TP

  খ

  Causes increase in muscle bulk

  গ

  Helps in development of endurance

  ঘ

  Causes increase in cardiac reserve during exercise by many fold

  ঙ

  Helps in development of muscle strength
• Liver is the only organ that is capable of
  ক

  Urea formation

  খ

  Bile acid synthesis

  গ

  Ganglioside synthesis

  ঘ

  Medium chain fatty synthesis

  ঙ

  Glycogenesis
• Reducing sugars in urine include
  ক

  Glucose

  খ

  Fructose

  গ

  Galactose

  ঘ

  Lactose

  ঙ

  Sucrose