‘Paediatric’ relates to the treatment of-

✅ কেন সঠিক: Paediatrics is the branch of medicine dealing with children.

❌ অন্য অপশন: Old people → geriatrics; women → gynaecology; there is no special term for adults here.

💡 মনে রাখুন: paed/ped = child (Greek). Paediatrician = শিশুরোগ বিশেষজ্ঞ।