North-Eastern Zonal Council has eight states viz, Sikkim, Arunachal Pradesh, Meghalaya, Nagaland, Manipur, Mizoram, Tripura, Assam. Taking states and UTs together, the Northern zonal council has the maximum number of states and UT.
Taenia is a taxonomic rank of tapeworm (helminth) that includes some main parasites of livestock. There are more than 100 species of Taenia. Taenia is responsible for taeniasis and cysticercosis in humans. They are morphologically characterized by a ribbon like body composed of a series of segments called proglottids.
The high concentration of jute mills in the Hooghly basin are because of the presence of lot of water which is easily available from the Hugli River. Iron and coal also available from Raniganj mines. The suitable type of climate (24°C to 35°C temperature, rainfall of 120 to 150 cm, 80 to 90 % relative humidity ) is found in West Bengal.
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