Basic Science : Phylum Arthropoda QUESTIONS AND ANSWERS :: part9 : 16 to 20
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
16.Cephalopoda is characterized by |
| Coming together of head and foot |
| Enlargement of tentacles |
| Presence of siphon |
| All the above |
17.A structure peculiar to Nautilus is |
| Siphuncle |
| External shell |
| Spirally coiled shell |
| Nocturnal nature |
18.Fresh Water Mussel has |
| A radula for feeding |
| Inhalent siphon |
| Exhalent siphon |
| Both B and C |
19.Nacre or mother of pearl is secreted by mantle’s |
| Cubical epithelial cells |
| Columnar epithelial cells |
| Columnar endothelial cells |
| Cubical endothelial cells |
20.The shell of Nautilus is |
| Bivalved |
| Spirally coiled |
| Multi-chambered |
| Both B and C |
More Phylum Arthropoda QUESTIONS AND ANSWERS available in next pages
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