I: | The alimentary canal of cockroaches consists of a foregut, midgut, and hindgut. |
II: | The foregut includes the crop and gizzard, which are responsible for food storage and mechanical digestion, respectively. |
III: | The hindgut is involved in absorption and assimilation of nutrients. |
1. | Fallopian tubes are lined with brush-bordered epithelium. |
2. | Proximal convoluted tubule of the nephron is lined by ciliated epithelium. |
3. | Areolar tissue is a dense, regular connective tissue. |
4. | Skin has dense irregular connective tissue. |
What structures are used for excretion and osmoregulation in Periplaneta americana?
1. | Protonephridia | 2. | Nephridia |
3. | Malpighian tubules | 4. | Antennal glands |
1. | Hind limbs end in four digits, forelimbs in five digits |
2. | Hind limbs end in five digits, forelimbs in four digits |
3. | Hind limbs are smaller and less muscular than forelimbs |
4. | Forelimbs end in five digits, hind limbs in four digits |
1. | Mouth → Pharynx → Oesophagus → Stomach → Intestine → Rectum → Cloaca |
2. | Mouth → Oesophagus → Pharynx → Stomach → Intestine → Cloaca → Rectum |
3. | Mouth → Pharynx → Oesophagus → Intestine → Stomach → Rectum → Cloaca |
4. | Mouth → Stomach → Oesophagus → Pharynx → Intestine → Rectum → Cloaca |