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 |
| 1. | Thorns of citrus |
| 2. | Tendrils of cucumber |
| 3. | Flattened structure of Opuntia |
| 4. | Pitcher of Nepenthes |