Mark the odd one in each series: (b) RBC; WBC; platelets; cartilage
Explanation ‘Cartilage’ is correct ‘Cartilage’ is the elastic tissue that is present in the ears, nose, ribcage, bronchial tubes, and other components of the body. It is not a component of the blood and hence is the odd one out. Explanation 'RBC’ is incorrect Red blood cells or as abbreviated as ‘RBC’ are one of the major components of the blood. The cells appear red because of the presence of haemoglobin pigment. Therefore, it is not the odd one out. Explanation ‘WBC’ is incorrect White blood cells or as abbreviated as ‘WBC’ are other major components of the connective tissue, blood. The cells do not contain any coloured pigment and so appear white. Hence, it is not the odd one out. Explanation ‘Platelets’ is incorrect ‘Platelets’ are known as thrombocytes and are the third component of the blood. They are vital for processes such as blood clotting. Hence, it is not the odd one out. Final answer Cartilage
