1. Periplaneta americana
2. Blatta orientalis
3. Rana tigrina
4. Both (A) and (B)
Both (A) and (B)
1. 11th
2. 14 th
3. 16 th
4. 18th
14 th
1. Thin
2. Soft
3. Shiny,elastic
4. All of these
All of these
1. Pheretima posthuma
2. Periplanata americana
3. Rana tigrina
4. Blatta orientalis
Rana tigrina
1. 14th
2. 16th
3. 18th
4. 15th
14th
1. Mouth
2. Gizzard
3. Oesophagus
4. Typhlosole
Gizzard
1. Anabolism
2. Catabolism
3. Cannibalism
4. Metabolism
Cannibalism
1. Ventral side of pharynx
2. Dorsal side of pharynx
3. Ventral side of Oesophagus
4. Ventral side of buccal cavity
Ventral side of pharynx
1. Hypopharynx
2. Epipharynx
3. Left mandible
4. Right mandible
Hypopharynx
1. Excretion
2. Secretion of digestive enzymes
3. Respiration
4. Sensation
Secretion of digestive enzymes