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

The type of vision in cockroach is:

(1) Nocturnal vision

(2) Superposition vision

(3) Dull vision

(4) Mosaic and nocturnal vision

Which among the following is not a sense organ of cockroach ?

(1) Labial palps

(2) Maxillary palps

(3) Caudal style

(4) Anal cerci

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.

A, B, C and D in the following respectively are :

(1) Spermatheca, vestibulum, vagina, gonapophyses

(2) Spermatheca, collateral glands, vagina, genital chamber

(3) Vagina, spermatheca, collateral glands, genital chamber

(4) Vestibulum, collateral glands, vagina, genital chamber

Which among the following is differentiated into ileum, colon and rectum ?

(1) Caecum

(2) Foregut

(3) Midgut

(4) Hindgut

Complete the following statement:

Heart of cockroach consists of elongated muscular tube lying along _________ of thorax and abdomen.

(1) Ventral line

(2) Mid dorsal line

(3) Lateral line

(4) Mid ventral line