Select the correct route for the passage of sperms in male frogs:
| 1. | Testes → Vasa efferentia → Kidney → Seminal Vesicle → Urinogenital duct → Cloaca |
| 2. | Testes → Vasa efferentia → Bidder's canal → Ureter → Cloaca |
| 3. | Testes → Vasa efferentia → Kidney → Bidder's canal → Urinogenital duct → Cloaca |
| 4. | Testes → Bidder's canal→ Kidney→ Vasa efferentia → Urinogenital duct→ Cloaca |
Frog’s heart when taken out of the body continues to beat for some time.
Select the best option from the following statements.
| 1. | Frog is a poikilotherm. |
| 2. | Frog does not have any coronary circulation. |
| 3. | Heart is "myogenic" in nature |
| 4. | Heart is autoexcitable |
| 1. | Only (d) |
| 2. | (a) and (b) |
| 3. | (c) and (d) |
| 4. | Only (c) |
Smooth muscles are:
| 1. | involuntary, fusiform, non-striated |
| 2. | voluntary, multinucleate, cylindrical |
| 3. | involuntary, cylindrical, striated |
| 4. | voluntary, spindle-shaped, uninucleate |
Which type of tissue is correctly matched with its location?
| Tissue | Location | |
| 1. | Areolar tissue | Tendons |
| 2. | Transitional epithelium | Tip of nose |
| 3. | Cuboidal epithelium | Lining of stomach |
| 4. | Smooth muscle | Wall of intestine |