Which of the following crops is most important for humans?

Opium is obtained from a plant belonging to which family?

Which of the following is a Rabi cereal?

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 | $(d)$ $Dipterocarpus$

Which of the following is grown as the most important source of textile fibres in Bengal?

Eczema and ringworm can be cured by the oil obtained from wood distillation of