Question 18
Match the column A with the column B
(A)(B)(a)Catla(i)Bottom feeders(b)Rohu(ii)Surface feeders(c)Mrigal(iii)Middle-zone feeders(d)Fish farming(iv)Culture fishery
(A)(B)(a)Catla(i)Surface feeders(b)Rohu(ii)Middle-zone feeders(c)Mrigal(iii)Bottom feeders(d)Fish farming(iv)Culture fishery