Zoology - Structural Organisation in Animals Question with Solution | TestHub

The sclerites are joined to each other by a thick, hard and non-flexible arthrodial membrane.

Each thoracic segments bears a pair of flying wings.

In the cockroach, the fat body, nephrocytes and urecose glands helps in excretion.

A characteristic mushroom gland is present in the 4-6^thabdominal segments.