Enzymes - Mock Test 6

Question 51

To prevent entry of food into the trachea the opening is guarded by ?

A) Epiglottis B) Hard palate C) Glottis D) Soft palate

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Question 52

Which enzyme is used in alcoholic fermentation of yeast?

A) Maltase B) Invertase C) Sucrase D) Zymase

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Question 53

Enzymes that is found on the mucosa of the intestinal villi is ?

A) peptidase B) trypsin C) amylase D) lipase

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Question 54

Correct enzyme-substrate pair is ?

A) Maltose-lactase B) Protein-amylase C) Carbohydrate-lipase D) Casein-rennin

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Question 55

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 enzyme B) increase in concentration of substrate C) increase in pH D) increase in temperature

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Question 56

Malonic acid is an example of?

A) Irreversible inhibitor B) Reversible inhibitor C) Competitive inhibitor D) Non-competitive inhibitor

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Question 57

The structure of an enzyme is altered by?

A) Irreversible inhibitor B) Reversible inhibitor C) Competitive inhibitor D) Non-competitive inhibitor

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Question 58

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 inhibitor B) Reversible inhibitor C) Competitive inhibitor D) Non-competitive inhibitor

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Question 59

Inhibitors which block the enzyme by forming weak bond are called?

A) Competitive inhibitors. B) Non-competitive inhibitors C) Irreversible inhibitors. D) Both a and b

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Question 60

Optimal temperature of enzymes present in human body is?

A) 27°C B) 37°C C) 47°C D) 30°C

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