Reclamation of dry sites without irrigation is / are :________?

The calcium carbonate content which is usually between 6 and 10%, has reached into the deeper layers, forming a zone of lime nodules (Kankar) at about ________ depth:

The main causes of flood are:

Among the plants listed, point out one that does not fit into ecological group represented by the other plants:

Annual temperature in case of Himalayan moist temperate forests: is ________

Alstonia scholaris period of ripening of seed is: