Science of NCERT Class VIII–X level with defence applications.
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Q1 · General Science · MEDIUM
Which of the following vitamins is synthesized in the human body when skin is exposed to ultraviolet rays from sunlight?
Q2 · General Science · MEDIUM
Which of the following phenomena is explained by Bernoulli's principle?
Q3 · General Science · EASY
Which of the following gases is primarily responsible for the greenhouse effect in Earth's atmosphere?
Q4 · General Science · MEDIUM
Which vitamin is synthesized in the human body when skin is exposed to sunlight?