Basic Science : Phylum Arthropoda QUESTIONS AND ANSWERS :: part8 : 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.The largest clam is |
| Unio |
| Mytilus |
| Teredo |
| Tridaena |
22.Filter feeding is |
| Holding food particles by closely appressed teeth |
| Picking food articles from a water current |
| Crushing and chewing of food and allowing only finely divided one to pass further |
| None of the above |
23.A mollusc that forms pearls is |
| Neopilina |
| Sepia |
| Oyster |
| Octopus |
24.Arms present in Sepia are |
| 12 |
| 10 |
| 8 |
| 6 |
25.Osphradium is a structure in Pila/molluscs. It is a |
| Sensory organ for smell and chemicals/chemoreceptor |
| Sensory organ for balancing |
| Swimming organ |
| Locomotory organ |
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