How much haemoglobin should a normal human male have ?

14 gram of haemoglobin/100 gram of blood

The correct answer is Option (3) – 14 gram of haemoglobin/100 gram of blood

Hemoglobin is a protein in red blood cells that carries oxygen. The hemoglobin test measures how much hemoglobin is in your blood .

Normal results for adults vary, but in general are:

Male: 13.8 to 17.2 grams per deciliter (g/dL) or 138 to 172 grams per liter (g/L)

Female: 12.1 to 15.1 g/dL or 121 to 151 g/L