Basic Science : Coelenterata Ctenophora QUESTIONS AND ANSWERS :: part3 : 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.In Physalia, zooids occur in groups called |
| Conulae |
| Palpons |
| Cormidia |
| Dactyloids |
7.The body of Hydra contracts with the help of |
| Epitheliomuscular cells |
| Endotheliomuscular cells |
| Sensory cells |
| Glandulo-muscular cells |
8.In Physalia, nematoblasts paralyse the prey by |
| Haemotoxin |
| Neurotoxin |
| Myotoxin |
| Both B and C |
9.Nerve cells of coelenterates is |
| Apolar |
| Unipolar |
| Bipolar |
| Multipolar |
10.Aurelia has |
| Two smooth oral arms |
| Two nematoblast rich oral arms |
| Four tentacles |
| Four cnidoblast rich oral arms |
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