Question

In cockroach, identify the parts of the foregut in correct sequence :

(1) Mouth → Pharynx → Oesophagus → Crop → Gizzard

(2) Mouth → Oesophagus → Pharynx → Crop → Gizzard

(3) Mouth → Crop → Pharynx → Oesophagus → Gizzard

(4) Mouth → Gizzard → Crop → Pharynx → Oesophagus

Answer 1

Answer (1) Mouth → Pharynx → Oesophagus → Crop → Gizzard

Sol. Option (1) is the correct answer as the correct sequence of parts of the foregut in cockroach are :

Mouth → Pharynx → Oesophagus → Crop → Gizzard.