Basic Science : Phylum Arthropoda QUESTIONS AND ANSWERS :: part13 : 21 to 25
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
21.An echinoderm which can both creep and swim actively is |
| Oreaster |
| Ophiothrix |
| Echinus |
| Cucumaria |
22.Circulatory system of echinoderms is |
| Closed |
| Open |
| Haemal |
| Both B and C |
23.Star Fish is |
| Nekton |
| Neuston |
| Benthonic |
| Terrestrial |
24.A speciality of echinoderms is presence of |
| Both epidermal exoskeleton and mesodermal endoskeleton |
| Ciliated epidermis |
| Coelom |
| None of the above |
25.An echinoderm which shows eversion of stomach during feeding |
| Antedon |
| Cucumaria |
| Asterias |
| Echinus |
More Phylum Arthropoda QUESTIONS AND ANSWERS available in next pages
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