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

Identify the incorrect statement:

1. In both male and female cockroach, 8^th and 9^th tergites are mostly covered by the 7^th

2. Ventrally, the abdomen in cockroach has only 9 sternites  in males and 7 in females

3. In female cockroach, the 7^th sternite along with 8^th and 9^th forms gynatrium

4. the anterior most part of the gynatrium is called the oothecal chamber

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

Complete the following statement by choosing the appropriate option:

The type of development in Periplaneta americana is ___________.

(1) Paurometabolous

(2) Holometabolous

(3) Hemimetabolous

(4) Incomplete

Which among the following statement is incorrect with respect to ootheca of cockroach ?

(1) The unfertilised eggs are encased in ootheca.

(2) Each ootheca contains 14-16 eggs on an average.

(3) Ootheca is a dark reddish to blackish brown capsule.

(4) It is about 8 mm long.

Which among the following is incorrect with respect to development in cockroach?

(1) The development is paurometabolous.

(2) Last nymphal stage has proper wings.

(3) Only adult cockroach has proper wings.

(4) Nymph moults about 13 times to reach the adult form.

All of the following statements are correct with respect to female cockroach except :

(1) Ovaries lie in III to V abdominal segments.

(2) Each ovary is formed of 8 ovarian tubules.

(3) A chain of developing ova forms ovariole which forms ovary.

(4) Oviducts of each ovary unite into vagina.