| A. | Hepatic portal system is the special venous connection between liver and intestine. |
| B. | There are twelve pairs of cranial nerves arising from the brain. |
| C. | The ureters and oviducts open separately into the cloaca in female frogs. |
| D. | Hind-brain consists of cerebellum, medulla oblongata and optic lobes. |
| E. | Sinus venosus joins the right atrium of heart. |
| 1. | The statement is false for water but true for land |
| 2. | The statement is false for both the environments |
| 3. | The statement is true for water but false for land |
| 4. | The statement is true for both the environments |