MCQ
Which of the following is most important for speciation?
- ASeasonal isolation.
- BReproductive isolation.
- CBehavioural isolation.
- DTropical Isolation.
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$R$ - Methanogens are used for fermentingmalted cereals and fruit juices to produceethanol.
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 :