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  • Question
  • Metal present in haemoglobin?


  • Options
  • A. magnesium
  • B. aluminium
  • C. iron
  • D. copper

  • Correct Answer
  • iron 

    Explanation

    Haemoglobin is a protein what carries oxygen in the blood and contains iron metal in it.

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    General Science problems


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    • 1. From where do most producers get energy?

    • Options
    • A. plants
    • B. sun
    • C. water
    • D. All of the above
    • Discuss
    • 2. What allows a cell to respond to a hormone?

    • Options
    • A. hormone response element
    • B. presence of hormone receptor
    • C. Adrenocorticotropic
    • D. None of the above
    • Discuss
    • 3. What is a group of emus called

    • Options
    • A. mob
    • B. flock
    • C. murder
    • D. herd
    • Discuss
    • 4. Cartography is the science of

    • Options
    • A. coins
    • B. maps
    • C. cartoons
    • D. None of the above
    • Discuss
    • 5. Which is an example of a physical change?

    • Options
    • A. Dissolving sugar in water
    • B. Breaking glass
    • C. Melting of ice
    • D. All of the above
    • Discuss
    • 6. What happens the first time buck is beaten?

    • Options
    • A. He swears that he'll someday have his revenge on Spitz.
    • B. He learns that he can't get away with stealing another dog's food.
    • C. He learns he has to obey men, but decides never to surrender inside.
    • D. He has his spirit as well as his body crushed.
    • Discuss
    • 7. A push or pull on an object is called

    • Options
    • A. Force
    • B. Weight
    • C. Opposition
    • D. None of the above
    • Discuss
    • 8. A person who knows many foreign languages

    • Options
    • A. Grammarian
    • B. Polyglot
    • C. Linguist
    • D. Bilingual
    • Discuss
    • 9. What is the major source of dietary sulfur?

    • Options
    • A. Proteins
    • B. Carbohydrates
    • C. Mineral salts
    • D. All of the above
    • Discuss
    • 10. Exercise frequency refers to

    • Options
    • A. number of times you exercise per week
    • B. number of times you exercise per month
    • C. number of times you exercise per day
    • D. All of the above
    • Discuss


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