Rice bran is used to obtain

Roots of which plant are used for treating blood pressure?

Match Column-$I$ with Column-$II$:
Column-$I$ (Forest Type) | Column-$II$ (Dominant Tree Species)
$(I)$ Tropical Rain Forests | $(a)$ $Shorea robusta$
$(II)$ Tropical Deciduous Forests | $(b)$ $Quercus$
$(III)$ Temperate Broad-leaf Forests | $(c)$ $Cedrus deodara$
$(IV)$ Temperate Coniferous Forests | $(d)$ $Dipterocarpus$

According to the present estimates,what percentage of the world's petroleum will be exhausted by the year $2025$ (in $\%$)?

"Commercial jute" is morphologically

Which alkaloids are present in opium?