Basic Science : Kingdom Animalia Metazoa QUESTIONS AND ANSWERS :: part5 : 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.Collencytes of sponges are connected with production of |
| Collagen fibres |
| Spicules |
| Spongin fibres |
| Both B and C |
22.The precious sponge is |
| Hyalonema |
| Euplectella |
| Euspongia |
| Grantia |
23.A common chamber in sponges is |
| Incurrent canal |
| Radial canal |
| Excurrent canal |
| Spongocoel |
24.Pinacoderm is |
| Name of body wall of sponges |
| Outer body layer of sponges |
| Inner body layer |
| Middle layer of body wall |
25.Sponges lack |
| Body plan |
| Cellular differentiation |
| Appendages |
| Sexual reproduction |
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