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Digestive and structural features of cockroach
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Match the following columns with reference to cockroach and select the correct option:
Column I
- a. Grinding of the food particles
- b. Secrete gastric juice
- c. 10 pairs
- d. Anal Cerci
Column II
- i. Hepatic caecal
- ii. 10th segment
- iii. Proventriculus
- iv. Spiracles
Correct answer: a → iii, b → i, c → iv, d → ii
Grinding of food particles is done by the proventriculus/gizzard (a-iii); Secretion of gastric juice is done by hepatic caecae (b-i); 10 pairs refers to spiracles (c-iv); Anal cerci are found on the 10th abdominal segment (d-ii).