Basic Science : Coelenterata Ctenophora QUESTIONS AND ANSWERS :: part5 : 11 to 15
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
11.Jelly Fishes belong to class |
| Hydrozoa |
| Scyphozoa |
| Anthozoa |
| None of the above |
12.Nematocysts are activated by |
| Water |
| Touch |
| Brain |
| None of the above |
13.Common between trichocysts of Paramecium and nematocysts of Hydra is |
| Attachment and defence |
| Defence only |
| Sensitivity |
| Food capturing |
14.Special character of coelenterates is |
| Polymorphism |
| Nematocysts |
| Flame cells |
| Hermaphroditism |
15.A radially symmetrical diploblastic animal is |
| Roundworm |
| Earthworm |
| Hydra |
| Liver fluke |
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