Vitamin D is synthesized in the skin when exposed to ultraviolet B (UVB) radiation from sunlight.

Paris, France hosted the 2024 Summer Olympic Games.

UNESCO stands for United Nations Educational, Scientific and Cultural Organization, established in 1945.

Gujarat has the longest coastline among Indian states at approximately 1,214 km.

UPI was launched by RBI and NPCI on April 11, 2016, but was officially introduced for use in 2015.

Bangalore (now Bengaluru) is known as the Silicon Valley of India due to its concentration of IT industries.

Distance = Speed × Time = 5 × 2.5 = 12.5 km

WHO is headquartered in Geneva, Switzerland.

'Au' is the chemical symbol for Gold, derived from its Latin name 'Aurum'.

Mahatma Gandhi developed and popularized the concept of Satyagraha (truth force) as a non-violent resistance technique.