MCQ
The basic requisites of sexual reproduction are:
- AMeiosis
- BGametes fusion
- ✓Both(a) and(b)
- DNone of these
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$I.$ Species diversity increases as we move away from the equator towards the poles.
$II.$ Stellar's sea cow and passenger pigeon got extinct due to overexploitation by man.
$III.$ Lantana and Eichhornia are invasive weed in India.
$IV$. The historic convention on biological diversity was held in $1992 .$
Choose the option containing correct statements.