Basic Science : Phylum Arthropoda QUESTIONS AND ANSWERS :: part13 : 26 to 30
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
26.Arms are not sharply delimited from central disc in |
| Ophiuroidea |
| Asteroidea |
| Crinoidea |
| Both A and B |
27.Opening of water vascular system is called |
| Osculum |
| Ostium |
| Madreporite |
| Mouth |
28.Coelomate animals devoid of excretory organs are |
| Annelids |
| Echinoderms |
| Molluscs |
| Arthropods |
29.Echinodermata possesses |
| Pseudocoelom |
| Schizocoelom |
| Enterocoelom |
| None of the above |
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