Basic Science : Chordata Protochordata QUESTIONS AND ANSWERS :: part3 : 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.Which is true? |
| Chordates have ventral hollow nerve cord |
| All vertebrates have open circulatory system |
| All chordates are vertebrates |
| All vertebrates are chordates |
22.All chordates possess |
| Exoskeleton |
| Limbs |
| Skull |
| Axial skeletal rod of notochord |
23.Notochord occurs only in the larva of |
| Balanoglossus |
| Amphioxus |
| Herdmania |
| Cephalodiscus |
24.The animal having notochord throughout life is |
| Fish |
| Amphioxus |
| Snakes |
| Birds |
25.Notochord occurs in the embryonic stage in |
| Some chordates |
| All chordates |
| All vertebrates |
| Some vertebrates |
More Chordata Protochordata QUESTIONS AND ANSWERS available in next pages
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