<prompt> Barrel shaped eggs isare seen in -HookwormPin wormRoundwormWhipworn  <response>: Ans. is d i.e., Whipworm Ref Rajesh karykae 1e p. 1661Eggs of Trichuris-trichura whipworm are barrel-shaped with mucous plug at each pole. Shell is yellow to brow bile-stained and plugs are colourless. They float in saturated solution of common salt. When freshly passed, they contain unsegmented ova and are not infective to man. 