MCQ
Culex is a vector for $.........$ disease.
- AAvian malaria
- BFilariasis
- CJapanese encephalitis
- ✓All of the above
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Reason : $DNA$ binds around histone proteins that form a pool and the entire structure is called a nucleosome.
$I.$ Organs which are different in basic structure and origin but performs similar functions are called analogous organ
$II.$ Organs with different to basic structure and origin but perform similar functions are called homologous organs
$III.$ Homologous organs lead to convergent evolution
$IV.$ Analogous organ leads to divergent evolution
The correct combination is
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 :
$R$ - $AIDS$ is caused by $HIV$.