“Ricket” is a disease due to the deficiency of:

A. Vitamin E
B. Vitamin D 
C. Vitamin A
D. Vitamin W

🧠 Explanation:

Rickets is a disease caused by Vitamin D deficiency, affecting bone growth. Knowing this helps students and health enthusiasts understand nutrition’s role in health. Vitamin D is key for strong bones, learned in biology or health classes. This knowledge helps with school projects or promoting healthy diets. It’s useful for medical studies, making it relevant for understanding bone disorders. Knowing about rickets helps students learn about prevention through sunlight or food, ensuring better grasp of health science for academic work or raising awareness about nutrition in daily life.