A. Iron B. Carbohydrates C. Protein D. None of these Submitted by: Toheed Ahmed
What is the main constituent of hemoglobin? Everyday Science Mcqs Leave a comment 32 Views A. Iron B. Carbohydrates C. Protein D. None of these AnswerAnswer A. Iron Submitted by: Toheed Ahmed
McqsFactory McqsFactory.com is the devoted website for multiple choice questions answers in Pakistan. McqsFactory has been specially designed to cover this paper for various such examinations. The material of McqsFactory has been collected after going through different examination papers.