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.
(a) Frog is a poikilotherm.
(b) Frog does not have any coronary circulation.
(c) Heart is "myogenic" in nature
(d) 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 |