Which of the following features is not present in Periplaneta americana?

(1) Indeterminate and radial cleavage during embryonic development

(2) Exoskeleton composed of N-acetylglucosamine

(3) Metamerically segmented body

(4) Schizocoelom as body cavity

The terga sterna and pleura of cockroach body are joined by

1. cementing glue

2. muscular issue

3. arthrodial membrane

4. cartilage

Select the correct statement from the ones given below with respect to Periplaneta americana.

1. Nervous system dorsally, consists of segmentally arranged ganglia joined by a pair of longitudinal connectives

2. Males bear a pair of short thread like anal styles

3. There are 16 very long Malpighian tubules present at the junctions of midgut and hindgut

4. Grinding of food is carried out only by the mouth parts

In the follwing diagram of a leg of cockroach parts have been indicated by alphabets. Choose the answer in which these alphabets have been correctly matched with the parts of which they indicate,

(1) A = Coxa, B = Tibia, C = Tarsus, D = Femur, E = Trachanter

(2) A = Coxa, B = Femur, C = Trachanter, D = Tarsus, E = Tibia

(3) A = Coxa, B = Tarsus, C = Femur, D = Tibia, E = Trochanter

(4) A = Coxa, B = Trochanter, C = Femur, D = Tibia, E = Tarsus

The hard chitinous exoskeleton of cockroach has sclerites which are called as:

Which of the following statements is incorrect with respect to cockroach?

Sexual dimorphism in case of cockroaches are observed-

The hardened plates of exoskeleton ventrally is known as

Arthrodial membrane in cockroach is

Anal cerci is present in (Cockroach)