
Basic Science : Kingdom Animalia Metazoa QUESTIONS AND ANSWERS :: part9 : 6 to 10
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
6.Spicules occur in |
| Hydra |
| Planaria |
| Sycon |
| Obelia |
7.After drying, a bath sponge contains |
| Holdfast |
| Tentacles |
| Spicules |
| Spongin fibres |
8.Choanocyte is characteristic of |
| Annelida |
| Arthropoda |
| Porifera |
| None of the above |
9.Spongocoel is lined by |
| Porocytes |
| Choanocytes |
| Amoebocytes |
| Spicules |
10.Skeleton made of sponging fibres occurs in |
| Calcarea |
| Demospongiae |
| Hexactinellida |
| Both A and B |
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