WBCS.LIVE practice question

Which protein in human red blood cells is responsible for carrying oxygen?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Insulin
  2. Hemoglobin
  3. Keratin
  4. Collagen

Correct answer and explanation

Correct answer: Hemoglobin

Explanation: āœ… Correct Answer: B) Hemoglobin šŸ“š Explanation: Hemoglobin is an iron-rich protein that binds to oxygen molecules in the lungs and releases them into the body's tissues. It also gives blood its characteristic red color when it is oxygenated. Each red blood cell contains millions of hemoglobin molecules, making it an extremely efficient transport system for respiratory gases.