11th Class Biology MCQS Kingdom Animalia Online Test 2

polychaeta-is-a-class-example-is-3-a_-_nereis,polymorphism-is-a-charteristic-of-members-of-phylum-3-a_-_cnidaria,primary-host-of-tape-worm-is-3-a_-_man,prototheria-are-commonly-called-3-a_-_egg-laying-mammals,round-worms-are-3-a_-_pseudocoelomates,sphenodon-is-found-in-3-a_-_new-zealand,the-excretory-system-of-flatworms-is-composed-of-3-a_-_flame-cells,the-hind-limb-of-birds-is-modified-for-3-a_-_perching,the-integumentary-and-nerrous-system-are-developed-from-3-a_-_ectoderm,the-larva-found-in-echinoderms-is-3-a_-_bipinnaria,the-polyp-is-reduced-and-medusa-is-dominant-3-a_-_jelly-fish,the-pore-by-which-water-enters-the-body-of-sponges-is-called-3-a_-_ostia,the-skeleton-of-birds-is-light-due-to-3-a_-_air-spaces,the-spinny-skinned-animals-are-included-in-3-a_-_echinodermata,the-sub-class-that-has-not-primitive-mammals-is-3-a_-_portotheria,voice-organs-of-birds-3-a_-_syrinx,which-is-not-included-in-proterostomia-3-f_-_enchinodermata