Proteins MCQs with answers Page - 3

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

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Q. Which protein helps in oxygen transport in blood?

  • (A) Myosin
  • (B) Hemoglobin
  • (C) Collagen
  • (D) Albumin

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Q. Which protein is responsible for muscle contraction?

  • (A) Actin and Myosin
  • (B) Keratin
  • (C) Collagen
  • (D) Hemoglobin

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Q. Which of the following is a fibrous protein?

  • (A) Hemoglobin
  • (B) Insulin
  • (C) Collagen
  • (D) Amylase

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Q. What happens when a protein is heated beyond its tolerance?

  • (A) It becomes more active
  • (B) It denatures
  • (C) It increases in size
  • (D) It divides into amino acids

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Q. What is a conjugated protein?

  • (A) Protein with only amino acids
  • (B) Protein with a non-protein part
  • (C) Protein with DNA
  • (D) Protein made of lipids

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Q. Which of the following is an example of a conjugated protein?

  • (A) Collagen
  • (B) Hemoglobin
  • (C) Keratin
  • (D) Insulin

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Q. The enzyme pepsin breaks down which macronutrient?

  • (A) Carbohydrates
  • (B) Proteins
  • (C) Lipids
  • (D) Nucleic acids

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Q. Proteins are synthesized in the cell by the process of:

  • (A) Replication
  • (B) Transcription
  • (C) Translation
  • (D) Transformation

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Q. Which vitamin is essential for protein metabolism?

  • (A) Vitamin A
  • (B) Vitamin B6
  • (C) Vitamin C
  • (D) Vitamin D

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Q. The function of structural proteins is to:

  • (A) Catalyze reactions
  • (B) Provide mechanical support
  • (C) Store genetic information
  • (D) Regulate hormones
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