Basic Science : Kingdom Animalia Metazoa QUESTIONS AND ANSWERS :: part5 : 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.Choanocytes are |
| Uniflagellate |
| Biflagellate |
| Tetraflagellate |
| Multiflagellate |
17.Euplectella is a symbol of union till death because |
| Its basal root tuft and upper part symbolize the two sexes |
| A young shrimp pair gets entrapped in the sponge |
| It symbolizes the goddess of marriage |
| It contains a sieve plate in the osculum region |
18.In sponges, various types of body cells obtain nourishment from |
| Choanocytes |
| Trophocytes |
| Thesocytes |
| Both B and C |
19.Gemmules take part in |
| Sexual reproduction |
| Asexual reproduction |
| Digestion |
| Development of water current in sponges |
20.Choanocytes are |
| Ectodermal |
| Mesodermal |
| Endodermal |
| Interstitial cells |
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