The main constituent of hemoglobin is___________...? Mcqs

✅ Correct Answer: Iron

✅ Correct Answer: Methane

✅ Correct Answer: Grass

✅ Correct Answer: Transportation of oxygen

✅ Correct Answer: Nitrogen

✅ Correct Answer: Satellite

✅ Correct Answer: A class of nucleic acids

✅ Correct Answer: Nitrogen

✅ Correct Answer: acellular

✅ Correct Answer: Cobalt

✅ Correct Answer: To remove waste product from the body

✅ Correct Answer: Calcium oxalate

✅ Correct Answer: Calcium Carbonate &Megnesium Carbonate

✅ Correct Answer: radio active gas

✅ Correct Answer: to remove waste from blood

✅ Correct Answer: Methane