MCQ
Green plants in a forest ecosystem are:
- ASuppliers of food and O2
- BConsumers of nutritive materials
- CConsumers of animal proteins
- DSuppliers of timber
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Here $A$ and $B$ refers to
$I.$ 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.