Basic Science : Chordata Protochordata QUESTIONS AND ANSWERS :: part2 : 26 to 30
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
26.In higher chordates, pharyngeal gill slits are |
| Absent |
| Present in the embryo |
| Replaced by abdominal gill slits |
| Replaced by thoracic gill slits |
27.Gill slits of chordates are |
| Paired |
| Lateral perforations |
| Pharyngeal |
| All the above |
28.Nerve cord of chordates is |
| Dorsal |
| Hollow |
| Ventral |
| Both A and B |
29.Notochord like structure is present in hemichordates in the region |
| Proboscis |
| Collar |
| Trunk |
| Tail |
More Chordata Protochordata QUESTIONS AND ANSWERS available in next pages
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