Basic Science : Coelenterata Ctenophora QUESTIONS AND ANSWERS :: part7 : 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.Hydra receives stimuli through |
| Nerve cells |
| Nerve net |
| Sensory cells |
| Nematocysts |
22.Larva like stage of Hydra is |
| Hydrula |
| Hydratuba |
| Scyphula |
| Planula |
23.Which one is not a coelenterate? |
| Sea Fan |
| Sea Feather |
| Sea Cucumber/Lily |
| Sea Pen |
24.Gastrodermis of Hydra is mainly made of |
| Musculoepithelial cells |
| Musculonutritive cells |
| Sensory cells |
| Cnidoblast cells |
25.In Hydra, egestion of undigested food and excretion of nitrogenous wastes occur through |
| Mouth and tentacles |
| Mouth and body wall |
| Mouth and mouth |
| Body wall and body wall |
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