With reference to the radioactivity, which of the following statements is/are correct ?

1. Radioactivity is a nuclear property.
2. Hydrogen bomb is prepared on the principle of nuclear fission.

Select the correct answer using the codes given below.
Codes :

A) Only 1

B) Only 2

C) Both 1 and 2

D) Neither 1 nor 2

This MCQ is part of the UP PSC Previous Year Questions (PYQs) series, focusing on UPPSC Prelims 2021 (GS Paper I)