Vitamin MCQs with answers Page - 1

You will find multiple-choice questions (MCQs) related to #Vitamin here. Go through these questions to prepare effectively for your upcoming exams and interviews.

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A

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Q. What are enzymes?

  • (A) Carbohydrates that store energy
  • (B) Proteins that act as biological catalysts
  • (C) Lipids that provide structure
  • (D) Nucleic acids that carry information

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Q. Which of the following affects enzyme activity?

  • (A) Temperature and pH
  • (B) Color and odor
  • (C) Pressure and density
  • (D) Sound and light

A

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Q. The specific region of an enzyme where the substrate binds is called the:

  • (A) Active site
  • (B) Binding zone
  • (C) Catalytic chamber
  • (D) Core site

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Q. What happens to an enzyme when it is heated above its optimum temperature?

  • (A) It becomes more active
  • (B) It denatures and loses function
  • (C) It dissolves in the substrate
  • (D) It multiplies rapidly

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Q. Which of the following enzymes breaks down starch into maltose?

  • (A) Amylase
  • (B) Lipase
  • (C) Protease
  • (D) Lactase

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Q. Enzymes are generally composed of:

  • (A) Proteins
  • (B) Carbohydrates
  • (C) Lipids
  • (D) Minerals

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Q. Which enzyme is responsible for the breakdown of fats?

  • (A) Lipase
  • (B) Protease
  • (C) Amylase
  • (D) Catalase

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Q. The enzyme that catalyzes the breakdown of hydrogen peroxide into water and oxygen is:

  • (A) Catalase
  • (B) Amylase
  • (C) Urease
  • (D) Pepsin

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Q. Which term refers to the loss of enzyme activity due to changes in shape?

  • (A) Denaturation
  • (B) Activation
  • (C) Inhibition
  • (D) Saturation

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Q. Which of the following vitamins is also known as Ascorbic acid?

  • (A) Vitamin A
  • (B) Vitamin B12
  • (C) Vitamin C
  • (D) Vitamin D

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