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MDCAT Biology Chapter 7 Enzymes Online Test MCQs With Answers
Question # 1
Following substances can act as inhibitors, except
Choose an answer
Cyanide
Antimetabolites
Antibodies
Poisons
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Question # 2
The enzyme that works best at intermediate pH is
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Pepsin
Chymotrypsin
Sucrase
Pancreatic lipase
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Question # 3
The inhibitor having structural similarity with substrate is
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Irreversible inhibitor
Reversible inhibitor
Competitive inhibitor
Noncompetitive inhibitor
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Question # 4
______form the raw material for coenzyme
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Nucleic acid
Lipids
Vitamins
Proteins
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Question # 5
Soyabeans have been made resistant to a common
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Insecticide
Herbicide
Fungicide
Pesticide
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Question # 6
Following enzymes are indicating the specificity of their action in their names, except
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Sucrase
Amylase
Pepsin
Lipase
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Question # 7
Which of the following kind of inhibitors don’t compete for active site of enzyme
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Irreversible competitive
Reversible competitive
Reversible non competitive
Both b and c
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Question # 8
Many enzymes are simply dissolved in the
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Nucleoplasm
Stroma of chloroplast
Cytoplasm
Matrix of mitochondria
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Question # 9
Which of the following is an example of ribozyme
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Aminopeptidase
Pancreatic lipase
Peptidyl transferase
Cytochrome oxidase
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Question # 10
Pick up the correct statement according to induced fit model of enzyme action
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Enzyme induces changes in substrate structure
Substrate induces changes in enzyme structure
Active site of enzyme is a rigid structure
Active site of enzyme is used as a template +
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Question # 11
Optimum pH for digestive enzymes of stomach is
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Highly acidic
Highly alkaline
slightly acidic
slightly alkaline
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