O Level

Chemistry MCQs

O Level Chemistry MCQs - Subtopic

Catalysts and Enzymes MCQ with Answers

Catalysts and Enzymes Multiple Choice Questions (MCQ) to practice catalysts and enzymes quiz answers PDF, O level chemistry worksheets for online degrees. Solve speed of reaction Multiple Choice Questions and Answers (MCQs), "Catalysts and Enzymes" quiz questions and answers for colleges that offer online classes. Learn chemical reaction: factor affecting, fast and slow reactions, measuring speed of reaction test prep for accelerated bachelors degree online.

"The optimal temperature for enzymes is" Multiple Choice Questions (MCQ) on catalysts and enzymes with choices room temperature, 35-37 °c, 40-45 °c, and above 45 °c for colleges that offer online classes. Solve catalysts and enzymes quiz questions for merit scholarship test and certificate programs for best online SAT prep class.

MCQs on Catalysts and Enzymes


The optimal temperature for enzymes is

room temperature
35-37 °C
40-45 °C
above 45 °C


Many catalysts are

noble gases
transition metals
inert gases


Uses of enzymes do not include

production of insulin
production of cancer drugs
drug to combat plague
drug to fight dwarfism


Biological catalyst to convert Hydrogen Peroxide (H2O2) into water (H2O) and oxygen (O2) is



What is true about Enzymes?

they act as biological catalysts
they operate over a wide range of pH
they are highly specific
they operate over wide temperatures only