Question: Enzymes concerned with the citric acid cycle are found in______________?

• 1. Nucleus
• 2. Mitochondria
• 3. Ribosomes
• 4. Non-particulate cytoplasm

Question: Serum alkaline phosphatase level increase in_______________?

• 1. Hypothyroidism
• 2. Carcinoma of prostate
• 3. Hyperparathyroidism
• 4. Myocardial infarction

Question: The enzyme that splits hydrogen peroxide into water and oxygen is_____________?

• 1. Cytochromes
• 2. Cytochrome P 450
• 3. Super oxide dismutase
• 4. Catalase

Question: Enzyme that catalyses the transfer of a molecule group from one molecule to another is_____________?

• 1. Oxidases
• 2. Peptidases
• 3. Transferases
• 4. LIpases

Question: The activity of this plasma enzyme is responsible virtually for all plasma cholesterol esters in humans_______________?

• 1. Lecithin cholesterol acyl transferase (LCAT)
• 2. Pyrophospho mevalonate decarboxylase
• 3. HMG CoA reductase
• 4. Phospho mevalonate kinase

Question: Enzymes are classified according to_________________?

• 1. Action on substrate
• 2. Action of coenzymes
• 3. Nature of the enzymes
• 4. All of the above

Question: Fraction of CPK is an enzyme that is elevated in a myocardial infarct is____________________?

• 1. MM fraction
• 2. MB fraction
• 3. BB fraction
• 4. Both MM and BB fraction

Question: A material that speeds up a chemical reaction without chemically becoming involved is called_____________?

• 1. A solvent
• 2. A base
• 3. A catalyst
• 4. Thermoplastic

Question: Km of an enzyme is_____________?

• 1. Dissociation constant
• 2. The normal physiological substrate concentration
• 3. Substrate concentration at half maximal velocity
• 4. Numerically identical for all isozymes that catalyses a given reaction

Question: Acetyl Co-A acts as a substrate for all the enzymes except______________?

• 1. HMG-Co A synthase
• 2. Malic enzyme
• 3. Malonyl CoA synthetase
• 4. Fatty acid synthetase