UPPCS · प्रश्न 1
Which of the following statements with reference to 'blood' is/are correct? 1. Blood is composed of plasma and different types of cells. 2. The presence of haemoglobin makes blood appear red. Select the correct answer using the code given below.
उत्तर देखें और व्याख्या
उत्तर: (D) Both 1 and 2
व्याख्या
Blood = plasma + formed elements (RBCs, WBCs, platelets); the iron-containing pigment haemoglobin in RBCs gives it the red colour.