Question # 1

Succinic acid differs from malonic acid by

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OH

CH₂

CH₃

CHO

Phosphorylation of glucose molecule in glycolysis is carried out by

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ATPase

Kinase

Isomerase

Transferase

Ribozyme is found in

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Mitochondria

Cytoplasm

Lysosomes

Ribosomes

Enzymes cannot work in which of the following

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Aqueous medium

Dry medium

Acidic medium

Alkaline medium

Which of the following is not affected by enzymes

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Nature and properties of end products

Nature and properties of reactants

Speed of biochemical reaction

Efficiency of biochemical reaction

Slight change in pH can cause

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Denaturation

Crystallization

Ionization

All

Following enzymes are indicating the specificity of their action in their names, except

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Sucrase

Amylase

Pepsin

Lipase

Allosteric enzymes have ___ major sites

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1

2

3

4

At high substrate level, all the active sites of enzyme are

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Destroyed

Available

Degenerated

Occupied

Soyabeans have been made resistant to a common

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Insecticide

Herbicide

Fungicide

Pesticide

Both ____ and ____ are detachable cofactors

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Apoenzyme, holoenzyme

Activator, coenzyme

Coenzyme, prosthetic group

Prosthetic group, activator

Potentially damaging enzymes are produced in

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Active form

Inactive form

Abundant quantity

Minor quantity

The rate of enzyme action will be minimum at

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Optimum pH

Optimum temperature

Optimum conditions

Maximum temperature

Enzymes present in human body generally have

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Same optimum temperature and optimum pH

Same optimum temperature but different optimum pH

Same optimum pH but different optimum temperature

Different optimum temperature and optimum pH

Nicotinamide adenine dinucleotide is an example of

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Cofactor

Coenzyme

Prosthetic group

Nucleotide

The inhibitor having structural similarity with substrate is

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Irreversible inhibitor

Reversible inhibitor

Competitive inhibitor

Noncompetitive inhibitor

Inorganic ions can play a role of ¬¬¬¬¬¬¬______ in enzyme catalysis

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Coenzyme

Inhibitor

Apo enzyme

Cofactor

By adding _______in neutral pH, we get the optimum pH of pancreatic lipase

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1

2

3

4

Which of the following is an example of ribozyme

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Aminopeptidase

Pancreatic lipase

Peptidyl transferase

Cytochrome oxidase

If non protein part is covalently bonded to the protein part of enzyme, it is known as

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Coenzyme

Prosthetic group

Activator

Cofactor

Flavin adenine dinucleotide is a

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Prosthetic group

Activator

Coenzyme

Inhibitor

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