Basic Science : Phylum Arthropoda QUESTIONS AND ANSWERS :: part11 : 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.Ammonites are fossil shell remains of |
| Pelecypods |
| Cephalopods |
| Gastropods |
| Scaphopods |
2.Which is correct? |
| Echinodermata – Starfish, Petromyzon, Solen |
| Mollusca – Pila, Dentalium, Octopus |
| Porifera – Spongilla, Teredo, Leucosolenia |
| Arthropoda – Pinworm, Ascaris, Cockroach |
3.Mollusca is differentiated from others by |
| Bilateral symmetry and external skeleton |
| Mantle and gill |
| Shell and nonsegmented body |
| Mantle and nonsegmented body |
4.Which of the following is not a class of Mollusca? |
| Decapoda |
| Gastropoda |
| Scaphopoda |
| Cephalopoda |
5.Asymmetry develops due to torsion in mollusc |
| Octopus |
| Pila |
| Dentallium |
| Toredo |
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