Option 1 -> The passage mentions calcium and vitamin D (not vitamin E) as essential for bone health.
Option 2 -> Explicitly stated in the passage as preventive: "adequate calcium, especially through fruits, vegetables and fermented dairy products."
Option 3 -> The passage recommends "walking, jogging or skipping" and mentions "bone-building benefits of vigorous exercise."
Option 4 -> Directly mentioned: "Getting enough sunlight" helps prevent osteoporosis (sunlight aids vitamin D production).
Hence, Option 1: Consumption of vitamin E adequately -> The passage specifically highlights vitamin D (not vitamin E) along with calcium as crucial nutrients for building strong bones and preventing osteoporosis. Vitamin E is not mentioned anywhere as a preventive measure. -> correct