1. Excretion
2. Digestion
3. Secretion
4. Formation of blood corpuscles
Formation of blood corpuscles
1. 12 and 13
2. 10 and 11
3. 9 and 14
4. 7 and 9 th
12 and 13
1. Colourless
2. Pinkish
3. Bluish
4. Red
Red
1. Dorsal
2. Oesophageal
3. Subneural
4. lateral
Dorsal
1. Lateral oesophageal
2. Ventral blood vessel
3. Ventro tegumentary vessel
4. Subneural vessel
Lateral oesophageal
1. Nephridia
2. Malpighian tubules
3. Flame cells
4. Coelomic ducts
Nephridia
1. 4, 5 and 6
2. 5, 6, 7
3. 3, 4 and 5
4. 6, 7, 8
4, 5 and 6
1. Integumentry nephridia
2. Septal nephridia
3. Septal and pharynagal nephridia
4. None of the above
Integumentry nephridia
1. externally
2. terminally
3. internally
4. None of the above
externally
1. Germinal
2. Ectodermal
3. Mesodermal
4. Endodermal
Ectodermal