Root hairs develop from the region of:
| 1. | Elongation | 2. | Root cap | 
| 3. | Meristematic activity | 4. | Maturation | 
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 | 
In male cockroaches, sperms are stored in which part of the reproductive system?
1. Seminal vesicles
2. Mushroom glands
3. Testes
4. Vas deferens
Smooth muscles are:
1. involuntary, fusiform, non-striated
2. voluntary, multinucleate, cylindrical
3. involuntary, cylindrical, striated
4. voluntary, spindle-shaped, uninucleate
| 1. | Presence of a boat shaped sternum on the 9th abdominal segment | 
| 2. | Presence of caudal styles | 
| 3. | Forewings with darker tegmina | 
| 4. | Presence of anal cerci |