| 1. | Olfactory lobe | 2. | Optic lobe |
| 3. | Pons | 4. | Cerebellum |
| I: | The hind limbs are heavily muscled and strong. |
| II: | The webbing between the toes of the hind feet increases the area of the foot and helps propel the frog powerfully through the water. |
| 1. | Only I | 2. | Only II |
| 3. | Both I and II | 4. | Neither I nor II |
| Statement I: | Although adapted to terrestrial life, frogs resemble freshwater fish in their inability to conserve body water effectively. |
| Statement II: | Frogs produce large quantities of dilute urine in order to flush out toxic products from the kidney tubules. |
| 1. | thyroxine | 2. | cortisol |
| 3. | thymsin | 4. | FSH and LH |
| I: | lack eyelids and limbs |
| II: | have cartilaginous skeletons |
| III: | use gills for respiration |
| IV: | have tails |
| Statement I: | Frog eye does not have closable eye lids. |
| Statement II: | A nictitating membrane provides protection to the eye, especially when the frog is swimming. |