Basic Science : Vertebrata Agnatha Pisces QUESTIONS AND ANSWERS :: part9 : 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.Opening of rectum in Frog is called |
| Coccyx |
| Cloaca |
| Anus |
| None of the above |
17.Neoteny is characteristic of |
| Bufo |
| Ichthyophis |
| Ambystoma |
| Rana |
18.An ectothermal cold blooded animal is |
| Penguin |
| Lemur |
| Owl |
| Frog |
19.Three-chambered heart of frog is not as efficient as four chambered human heart because |
| Oxygenated and deoxygenated bloods mix up |
| Ventricle does not pump blood properly |
| It does not hold enough blood |
| Heart muscles are not strong |
20.Except mammals, the lungs occur in |
| Pleural cavity |
| Pleuro-peritoneal cavity |
| Thoracic cavity |
| Pericardial cavity |
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