Morphological feature | Location | ||
A. | Sternites | P. | Ventral sclerites |
B. | Tegmina | Q. | Dorsal sclerites |
C. | Tergites | R. | Mesothorax |
D. | Hind wings | S. | Metathorax |
A | B | C | D | |
1. | Q | S | P | R |
2. | S | Q | R | P |
3. | P | R | Q | S |
4. | R | P | S | Q |
I. | Blood transports respiratory gases |
II. | Anal styles are absent in females |
III. | There are 10 [5 pairs] of spiracles |
IV. | Vision with the help of ommatidia is mosaic vision |
V. | Development is paurometabolous |
I: | A is used for storing food |
II: | B helps in grinding the food particles |
III: | C help in osmoregulation |
IV: | D secretes digestive enzymes |
1. | Ciliated epithelium | Fallopian tubes |
2. | Dense irregular connective tissue | Skin |
3. | Nissl’s granules | Neuron |
4. | Smooth muscle | Intercalated disc |
Tegmina in cockroach, arises from :
1. Prothorax and Mesothorax | 2. Prothorax |
3. Mesothorax | 4. Metathorax |