Basic Science : Chordata Protochordata QUESTIONS AND ANSWERS :: part1 : 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.Cephalochordate Branchiostoma possesses |
| Laterally compressed spindle-shaped body |
| Caudal fin |
| Dorsal and ventral fins |
| All the above |
22.The anterior part of Amphioxus is |
| Oral hood |
| Rostrum |
| Mouth |
| Both A and B |
23.Atrial and branchial apertures of Herdmania are surrounded by |
| Two lips |
| Three lips |
| Four lips |
| Five lips |
24.In Amphioxus, circulatory system is |
| Closed |
| Without heart |
| Without respiratory pigment |
| All the above |
25.Which is a protochordate |
| Herdmania |
| Labeo |
| Lung fish |
| None |
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