Basic Science : Coelenterata Ctenophora QUESTIONS AND ANSWERS :: part7 : 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.Hydra is |
| Saprozoic |
| Omnivorous |
| Carnivorous |
| Herbivorous |
7.Hydra paralyses its prey with the help of |
| Tentacles |
| Nematocysts |
| Colloblasts |
| Epitheliomuscular cells |
8.What is true of Hydra |
| Marine |
| Bilateral Symmetry |
| Carnivorous |
| All the above |
9.Which of the following during respiration obtain water dissolved oxygen by diffusion through their body surface? |
| Cnidarians |
| Fishes |
| Amphibians |
| Reptiles |
10.Nematoblasts of Hydra help in |
| Attracting prey |
| Detecting prey |
| Paralysing prey |
| None of the above |
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