Which of the following does not help in excretion in Periplaneta Americana?

1. Fat body

2. Urecose glands

3. Nephrocytes

4. None of these

Excretion in cockroach takes place by

(1) nephridium

(2) parotid gland

(3) coxal glands

(4) malphighian tubules

Malpighian tubules of cockroach are lined by which of the following cells ?

(1) Epithelial cells

(2) Ciliated cells

(3) Ciliated and glandular cells

(4) Epithelial and glandular cells

Due to the type of excretion performed by malpighian tubules, cockroach is :

(1) Ammonotelic

(2) Uricotelic

(3) Usually ammonotelic but uricotelic in unfavourable conditions

(4) Ureotelic

Which among the following is not involved in excretion in cockroach ?

(1) Malpighian tubules

(2) Fat bodies

(3) Nephrocytes and urecose glands

(4) Non- ciliated columnar cells of Malpighian tubules