The outcomes of the committees and conferences have resulted in formulation of forest policy documents:

Which are the primary constituents of photochemical smog?

Distillation and extraction products is / are:

These are generally, but not always, developed above the birch zone and in patches, sometimes extensive, within it, probably conditioned by edaphic and biotic factors, in Kashmir, Gilgit, Chitral and Hazara. This type ascends normally to ________ or more above the sub-alpine forests and climate must be similar but more severe than in sub-alpine forests:

Which of the following serves as source of carbon in plants:

Tropical thorn forests are these: