Basic Science : Chordata Protochordata QUESTIONS AND ANSWERS :: part2 : 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.Protochordates are |
| Marine |
| Fresh water |
| Terrestrial |
| All the above |
17.Coelom of urochordate is |
| Schizocoel |
| Absent |
| Enterocoel |
| Segmented |
18.Which one emits jet of water when disturbed |
| Balanoglossus |
| Herdmania |
| Salpa |
| Branchiostoma |
19.In adult urochordate, the dorsal nerve cord of larva is changed into |
| Ganglion |
| Brain and spinal cord |
| Brain and nerve cord |
| Remains as such |
20.Brain and spinal cord of vertebrates have been derived from |
| Dorsal hollow nerve cord |
| Ventral solid nerve cord |
| Lateral nerve cord |
| Dorsal solid nerve cord |
More Chordata Protochordata QUESTIONS AND ANSWERS available in next pages
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