Basic Science : Chordata Protochordata QUESTIONS AND ANSWERS :: part3 : 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.In which of the following a notochord is absent |
| Adult tunicate |
| Amphioxus |
| Myxine |
| Larval tunicate |
17.Which is not a vertebrate |
| Fish |
| Amphioxus |
| Oryctolagus |
| Sparrow |
18.A chordate character is |
| Gills |
| Spiracles |
| Post-anal tail |
| Chitinous exoskeleton |
19.Which is not characteristic of all chordates |
| Dorsal nerve cord |
| Diaphragm between thorax and abdomen |
| Coelom |
| Pharyngeal gill slits |
20.Postanal tail occurs in |
| Vertebrates |
| Invertebrates |
| Chordates |
| All the above |
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