Question

Read the following statement having two blanks A and B. In cockroach, a ring of 6-8 blind tubules called ______ (A) is present at the junction of foregut and midgut while at the junction of midgut and hindgut a ring of 100-150 yellow coloured thin filamentous _______ (B) is present. The one correct option that fills that two blanks is

• A. A- Malpaghian tubles; B- hepatic caecae
• B. A- fat bodies; B- vesa efferentia
• C. A- hepatic caecae; B- Malpighian tubules
• D. A- vas deferens; B- fat bodies

Answer 1

Answer: (C)

A- hepatic caecae; B- Malpighian tubules

Hepatic caecae secrete digestive juice and Malpighian tubules help in removal of excretory products from haemolymph.