Basic Science : Coelenterata Ctenophora QUESTIONS AND ANSWERS :: part7 : 1 to 5
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
1.Which is correct about nematocyst in Hydra |
| It is re-used |
| Ejection is conditioned reflex |
| Ejection occurs in response to contact and pierces the prey |
| Prevents coming in contact with other Hydra |
2.Hydra will regenerate from a fragment, if it contains |
| Tentacles |
| Epidermis and gastrodermis |
| Tentacles, epidermis and gastrodermis |
| Epidermis, hypodermis and gastrodermis |
3.Budding method of asexual reproduction occurs in |
| Amoeba |
| Plasmodium |
| Paramoecium |
| Hydra |
4.A structure not present in Hydra is |
| Nerve cells |
| Epitheliomuscular cells |
| Choanocytes/Glial cells |
| Cnidocytes |
5.Bilateral symmetry does not occur in |
| Frog |
| Octopus |
| Mammal |
| Obelia |
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