<prompt> Which are first order neuron in optic pathway?Bipolar cellsGanglionic cellsCells of lateral geniculate bodyAstrocytes  <response>: Ans. is a i.e., Bipolar cells In visualpathway Sensory organs -Photoreceptors Rods cones Neurons of first rder -3 Axon of bipolar cells in Retina Neurons of second rder - Axons of ganglionic cell Retina i.e., Optic disc,Optic nerve, Optic chiasma, optic tracts Neurons of third order - Axons from nerve cells in lateral geniculate body optic adiation 