44) The originating in the Himalayan mountain complex consists of how many distinct drainage systems of the Indian Subcontinent?

45) Which one of the following district is well known for the cultivation of coffee ?

46) Which of the following crops requires water logging?

47) Seed treatment of which crop is done by Captan or Cerasan @ 5 gm/kg seed?

48) River Narmada flows down from Amarkantak Hills to the sea. What is the name of the area where it meets the sea?