<prompt> The egg which of the following parasites consist of polar filaments arising from either end of the ambrophore?Taenia saginataTaenia soliumEchinococcus granulosusHymenolepis nana  <response>: Ans. is d i.e., H. nana . Egg of H. nana - Spherical or oval - Two distinct membrane, a outer membrane b inner embryophore - Polar filaments emanating from little knobs at either end of embryophore. - Floats in saturated solution of common salt. 