Question

Choose the odd one out in the following series with reason:
i Proximal convoluted duct, loop of Henle, vein.
ii Kidney, ureter, heart.
iii Urea, uric acid, haemoglobin.
iv Glomerulus, alveoli, bronchi​

Answer 1

Answer:

i. Vein - Because it is a part of the circulatory system while the others are a part of the excretory system.

ii. Heart- Because it is a part of the circulatory system while the others are a part of the excretory system.

iii. Haemoglobin - Because it is a pigment of blood while the others are components of human urine

iv. Glomerulus - Because it is a part of excretory system while others are a part of the respiratory system.