Which of the following pairs shows the same relation as the pair given below?
Goitre : Thyroid
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → Cataract : Eye
Goitre is the swelling of the thyroid gland in the neck, a disorder of the thyroid, so the pair links a disorder with the organ it affects. A cataract is the clouding of the lens of the eye, a disorder of the eye, so it shows the same relation.
Why the other options are incorrect
Option (1) Insulin : Pancreas — Incorrect. Insulin is a hormone made by the pancreas, not a disorder.
Option (2) Nephron : Kidney — Incorrect. A nephron is the working unit of the kidney, one of its parts.
Option (4) Digestion : Stomach — Incorrect. Digestion is the normal work of the stomach, not a disorder.