alleryWhich vitamin is synthesized in skin cells exposed to ultraviolet sunlight?
AVitamin D
BVitamin A
CVitamin E
DVitamin C
Answer & Solution
Correct answer: A. Vitamin D
Ultraviolet B rays in sunlight trigger photochemical synthesis of vitamin D in epidermal skin layers.
Keep practising General Science and Life Science
Browse all General Science and Life Science questions for RRB NTPC, or explore more Science topics.
Related questions
Which kinematic quantity remains constant for a body undergoing uniform circular motion alWhen a physical body moves in uniform circular motion, the acting centripetal force altersWhat dynamic physical quantity was referred to by Sir Isaac Newton using the Latin term moNewton's Third Law is directly related to the conservation of what quantity?In Newton's Third Law, the paired action and reaction forces always act uponNewton's Third Law states that every action force has an equal and oppositeIn classical mechanics, linear momentum is defined as the product of mass andAccording to Newton's Second Law, the rate of change of momentum of a body is proportional