Column I | Column II | ||
A. | Labium | (i) | Tongue |
B. | Labrum | (ii) | Lower lip |
C. | Hypopharynx | (iii) | Upper lip |
A | B | C | |
1. | (ii) | (iii) | (i) |
2. | (ii) | (i) | (iii) |
3. | (iii) | (ii) | (i) |
4. | (i) | (ii) | (iii) |
Column I | Column II | ||
(a) | Testis | (i) | 2nd , 6th abdominal segment |
(b) | Ovaries | (ii) | 4th , 6th abdominal segment |
(c) | Mushroom gland | (iii) | 6th abdominal segment |
(d) | Spermatheca | (iv) | 6th , 7th abdominal segment |
1. | Malpighian tubules convert nitrogenous wastes into urea |
2. | Males bear short and styles not present in females |
3. | Nervous system comprises a dorsal nerve cord and ten pairs of ganglion |
4. | The fore wings are tegmina which are used in flight |
1. | Spiracle in metathorax, trachea, tracheoles, oxygen diffuses into cells |
2. | Mouth, bronchial tube, trachea, oxygen enters cells |
3. | Spiracles in prothorax, tracheoles, and trachea oxygen diffuses into cells |
4. | Hypopharynx, mouth, pharynx, trachea, tissues |