Basic Science : Phylum Arthropoda QUESTIONS AND ANSWERS :: part14 : 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.Echinoderms are |
| Ammonotelic and aminotelic |
| Ureotelic |
| Uricotelic |
| Both B and C |
22.Heart Urchin belongs to class |
| Asteroidea |
| Ophiuroidea |
| Echinoidea |
| Holothuroidea |
23.In Sea Cucumber, the side in contact with substratum is |
| Anal |
| Oral |
| Lengthwise ventral |
| None of the above |
24.Which echinoderm does not possess arms? |
| Asterias |
| Echinocardium |
| Ophiura |
| Astropecten |
25.Attaching structures of Sea Lily are known as |
| Cirri |
| Tentacles |
| Rhizines |
| Holdfasts |
More Phylum Arthropoda QUESTIONS AND ANSWERS available in next pages
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