Multiple choice general knowledge science & technology

Which of the following reactions occurs in the sun?

  1. Nuclear Fission

  2. Nuclear Fusion

  3. Endothermic

  4. Adiabatic
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The Sun produces energy through nuclear fusion - specifically hydrogen nuclei fusing into helium in its core. Option B is correct. Nuclear fission (A) is splitting atoms, not what powers stars. Endothermic (C) and adiabatic (D) are thermodynamic terms, not reaction types.

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