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Structural Organisation in Animals

Digestive and structural features of cockroach

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1 2020 Phase-2 Structural Organisation in Animals Medium

Match the following columns with reference to cockroach and select the correct option:

Pick the matching item from Column II for each row.
Column I
- a. Grinding of the food particles Match for a
- b. Secrete gastric juice Match for b
- c. 10 pairs Match for c
- d. Anal Cerci Match for d
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).

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