In cockroach, the formation of ootheca is by the secretions of:

1. Prothoracic glands of male

2. Prothoracic glands of female

3. Colleterial glands of male

4. Colleterial glands of female

Match each item in Column I with one item in Column II regarding anatomy of cockroach and choose your answer from the codes given below :

What external changes are visible after the last moult of a cockroach nymph?

1.  Mandible become harder

2.  Anal cerci develop

3.  Both fore wings and hind wings develop

4.  Labium develops

Complete the following analogy regarding reproductive system of cockroach :-

Testes : IV-VI abdominal segments : : Ovaries : ____ abdominal segments

(1) II-VI

(2) III-VI

(3) II-VIII

(4) IV-VI

Find the mismatched pair :

(1) Anal style- sexual dimorphism

(2) Spermatheca- accessory reproductive gland

(3) Malpighian tubules- removal of nitrogenous waste

(4) Supra-oesophageal ganglion- supply nerves to antennae and compound eye