1.On an average, female cockroach produces ___ oothecae
2.Which of the following is a sense organ pair in cockroach?
3.Which of the following part of the cockroach helps in the removal of excretory products from the haemolymph?
4.In female cockroach, anterior part of the genital pouch contains
5.The respiratory system of the cockroach consists of
6.Blood vascular system of the cockroach is of
7.In the respiratory system of cockroach, trachea opens through 10 pairs of small holes called spiracles. The part of integument supporting spiracles is
8.Blood of a cockroach contains
9.Each segment of the cockroach exoskeleton has hardened plates called
10.In female cockroach, which of the following part is absent?
11.In the exoskeleton of the cockroach, sclerites are joined to each other by
12.Ommatidia of the cockroach is
13.In cockroach the heart is
14.This Malpighian tubules in cockroach are present at the junction of
15.In which of the following body segments of cockroach wings are not present?
16.Read the given statements about blood vascular system of cockroach I. Circulatory system of cockroach is of closed type II. It contains no blood vessels except aorta heart III. Heart is 6 chambered IV. The haemolymph is composed of colourless plasma and haemocytes Which of the statements given above is/are incorrect
17.Which of the following statement is incorrect regarding cockroach (Periplaneta americana)?
18.How many fertilised eggs are present in the oothecae of cockroach?
19.In cockroach, fertilised eggs are stored in
20.Cockroach belongs to
21.Heart of the cockroach is
22.In cockroaches, spermatozoa are stored in
23.In both the sexes of cockroaches, the 10th segment bears a pair of joined filamentous structure called
24.In cockroach, larval and nymphal characters are maintained by
25.Cockroaches are placed in the phylum-Arthropooda because