Enzymes - Mock Test 10

Question 91

The enzymes present in the membrane of mitochondria are?

A) Flavoproteins and cytochromes B) Fumarase and lipase C) Enolase and catalase D) Hexokinase and zymase

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Question 92

Enzymes functional in cell or mitochondria are?

A) Endoenzymes B) Exoenzymes C) Apoenzymes D) Holoenzymes

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Question 93

Which enzyme hydrolyses starch?

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

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Question 94

Substrate concentration at which an enzyme attains half its maximum velocity is?

A) Threshold value B) Michaelis-Menton constant C) Concentration level D) None of these

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Question 95

In cell, digestive enzymes are found mainly in?

A) Vacuoles B) Lysosomes C) Ribosomes D) Lomasomes

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Question 96

Carbonic anhydrase enzyme has maximum turn over number (36 million). Minimum turn over number for an enzyme?

A) DNA polymerase B) Lysozyme C) Penicillase D) Lactase dehydrogenase

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Question 97

The active site of an enzyme is formed by?

A) R group of amino acids B) NH2 group of amino acids C) CO group of amino acids D) Sulphur bonds which are exposed

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Question 98

Which one is coenzyme?

A) ATP B) Vitamin B and C C) CoQ and CoA D) All of these

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Question 99

Which inactivates an enzyme by occupying its active site?

A) Competitive inhibitor B) Allosteric inhibitor C) Non-competitive inhibitor D) All of these

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Question 100

Creatine phosphokinase isoenzyme is a marker for?

A) Kidney disease B) Liver disease C) Myocardial infarction D) None of these

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