MCQ
Mutation rates are affected by
- ATemperature
- B$X$-rays
- CGamma and beta radiation
- ✓All of the above
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Statement $I$: The presence or absence of hymen is not a reliable indicator of virginity.
Statement $II$: The hymen is torn during the first coitus only.
In the light of the above statements, choose the correct answer from the options given below :