Identify the external character which differentiates between a female and a male cockroach.
Important Questions on Structural Organisation in Animals
Identify the correct statement with reference to the nervous system of the cockroach:
a) The nervous system of cockroach is called as autonomic nervous system.
b) There are thoracic and abdominal ganglion.
c) Sub-oesophageal ganglion controls the movements of mouth parts.
d) The abdominal ganglion innervates the abdominal segment.
The correct answer is
Match the following:
| Cells of corpora adiposa of cockroach | Function | ||
| Trophocytes | Symbiotic bacteria | ||
| Mycetocytes | Store uric acid | ||
| Oenocytes | Intra cellular digestion | ||
| Urate cells | Secrete lipids | ||
| Store food |
The correct match is
The following are the joints of each leg of a cockroach
I) Tibia
II) Coxa
III Tarsus
IV) Femur
V) Trochanter
Arrange these in order.
Match the following features to the animals. Which is the correct combination?
Open circulatory system
Closed circulatory system
Earthworm
Malpighian tubules
Nephridia
Cockroach
Match the following columns with reference to cockroaches and select the correct option:
| Column | Column | ||
| (a) | Grinding of the food particles | (i) | Hepatic caeca |
| (b) | Secrete gastric juice | (ii) | segment |
| (c) | pairs | (iii) | Proventriculus |
| (d) | Anal cerci | (iv) | Spiracles |
| (v) | Alary muscles | ||
