Topic : cockroaches

______ are transparent, membranous and are used in flight. Fill the blank with the correct option.
Female Periplaneta americana produces how many oothecae?
Identify the incorrect statement w.r.t. Periplaneta americana
Read the following statements about cockroach and choose the incorrect one.
Uricose glands in cockroach are associated with
Select the odd one w.r.t. reproductive system of male cockroach.
Select the odd one out regarding excretion in cockroach.
In cockroach, the elytra are present in
The head of cockroach connected with thorax via neck which is a short extension of
Choose the incorrect match w.r.t. Periplaneta.
Head of cockroach is connected with thorax by short extension of _______ known as neck. Choose the option which fills the blank correctly.
Match items in column-I with those in column-II. Choose the option with all correct match.

Column-I a. Proventriculus b. Seminal vesicles c. Genital pouch d. Pseudopenis

Column-II (i) Sperms are stored in male cockroach (ii) Part of left phallomere (iii) Outer thick layer of circular muscle and inner thick layer of cuticle (iv) Formed anteriorly by genital chamber and posteriorly of vestibulum
Read the statements w.r.t. morphology of cockroach and choose the option that correctly fill the blanks A, B and C. a. Sclerites present on the dorsal side of cockroach body are called A and on the ventral side are called B . b. The sclerites are joined to each other by a thin and flexible articular membrane called C .
Read the following statements about alimentary canal of cockroach and choose the incorrect one.
Read the following statements A and B and choose the option with correct answer Statement-A : On an average, female of cockroach produces 9-10 oothecae, each containing 14-16 eggs. Statement-B : The nymph grows by moulting about 13 times to reach the adult form.
In female cockroach, which of the following sclerite is boat shaped and forms a major part of brood or genital pouch?
Select the incorrect statement w.r.t. Periplaneta americana.