Botany Animal Kingdom questions from NEET UG 2021.
Read the following statements. (a) Metagenesis is observed in Helminths. (b) Echinoderms are triploblastic and coelomate animals. (c) Round worms have organ-system level of body organization. (d) Comb plates present in ctenophores help in digestion. (e) Water vascular system is characteristic of Echinoderms.
Match List$-I$ with List$-\mathrm{II}$. <table class="pyq-table"><tbody><tr><td colspan="2" rowspan="1">List$-I$</td><td colspan="2" rowspan="1">List$-\mathrm{II}$</td></tr><tr><td>(a)</td><td>Physalia</td><td>(i)</td><td>Pearl oyster</td></tr><tr><td>(b)</td><td>Limulus</td><td>(ii)</td><td>Portuguese Man of War</td></tr><tr><td>(c)</td><td>Ancylostoma</td><td>(iii)</td><td>Living fossil</td></tr><tr><td>(d)</td><td>Pinctada</td><td>(iv)</td><td>Hookworm</td></tr></tbody></table>
Which one of the following organisms bears hollow and pneumatic long bones?
Match List$-I$ with List$-\mathrm{II}$. <table class="pyq-table"><tbody><tr><td colspan="2" rowspan="1">List$-I$</td><td colspan="2" rowspan="1">List$-\mathrm{II}$</td></tr><tr><td>(a)</td><td>Metamerism</td><td>(i)</td><td>Coelenterata</td></tr><tr><td>(b)</td><td>Canal system</td><td>(ii)</td><td>Ctenophora</td></tr><tr><td>(c)</td><td>Comb plates</td><td>(iii)</td><td>Annelida</td></tr><tr><td>(d)</td><td>Cnidoblasts</td><td>(iv)</td><td>Porifera</td></tr></tbody></table>