Biochemistry | Multiple Choice Questions (MCQ) Choose Part Part A
Q1 - If enzyme concentration is low than substrate pH and temperature values are equal to requirement then which of the following will increase rate of reaction?A. increase in concentration of enzymeB. increase in concentration of substrateC. increase in pHD. increase in temperature
Answer - ADetail - No Details
Q2 - Malonic acid is an example of?A. Irreversible inhibitorB. Reversible inhibitorC. Competitive inhibitorD. Non-competitive inhibitor
Answer - CDetail - No Details
Q3 - The structure of an enzyme is altered by?A. Irreversible inhibitorB. Reversible inhibitorC. Competitive inhibitorD. Non-competitive inhibitor
Answer - ADetail - No Details
Q4 - A substance which binds at the active site of the enzyme but does not result in the formation of the products is called?A. Irreversible inhibitorB. Reversible inhibitorC. Competitive inhibitorD. Non-competitive inhibitor
Answer - CDetail - No Details
Q5 - Inhibitors which block the enzyme by forming weak bond are called?A. Competitive inhibitors.B. Non-competitive inhibitorsC. Irreversible inhibitors.D. Both a and b
Answer - DDetail - No Details
Q6 - Optimal temperature of enzymes present in human body is?A. 27?CB. 37?CC. 47?CD. 30?C
Answer - BDetail - No Details
Q7 - Extreme change in pH results in?A. Change in ionization of amino acids at the active site of the enzyme.B. Change in the ionization of the substrate.C. Denaturation of the enzymeD. Increase in the reaction rate
Answer - CDetail - No Details
Q8 - Excessive increase in temperature of medium causes the enzyme molecule to?A. ActivateB. UnaffectedC. DenaturedD. None of these
Answer - CDetail - No Details
Q9 - The active site of an enzyme?A. Never changesB. Forms no chemical bond with substrateC. Determined by structure and the specificity of the enzyme.D. They are non specific in their action
Answer - CDetail - No Details
Q10 - If more substrate to already occurring enzymatic reaction is added and there is no effect on the rate of the reaction what is the form given to this situation?A. SaturationB. DenaturationC. CompositionD. Inhibition
Answer - ADetail - No Details