Q. Consider the following statements about Marie Curie:

1. She discovered the elements polonium and radium.
2. She coined the term "radioactivity."
3. She remains the only person to win Nobel Prizes in two sciences.

Which of the above statements is / are correct?
Answer: Only 1 and 3
Notes: Marie Curie discovered polonium and radium and is the only person to win Nobel Prizes in both Physics (1903) and Chemistry (1911). The term "radioactivity" was actually coined by Henri Becquerel, not Curie, although she contributed significantly to its research and popularization.