बच्चों में गंभीर कुपोषण, जिसके कारण क्वाशियोरकोर जैसी स्थितियां होती हैं, मुख्य रूप से किस पोषक तत्व की कमी के कारण होता 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