राहुल बेरीबेरी रोग से पीड़ित है। इस स्थिति के लिए किस विटामिन की कमी जिम्मेदार है?

Deficiency of essential fatty acids in the human diet primarily causes which of the following conditions?

Deficiency of vitamin B12 or folate in the human body can lead to which of the following conditions?

Match the nutrients listed in Column (I) with their respective deficiency diseases/conditions in Column (II): Column (I): a. Vitamin C b. Vitamin D c. Iron d. Calcium Column (II): 1. Anaemia 2. Scurvy 3. Rickets 4. Osteoporosis