Male cockroach and female cockroach can be
differentiated by :
1. Ocelli

2. Anal cerci

3. Anal styles

4. Male rabbit

The male and female cockroaches can be distinguished by their:

1. size

2. wings

3. anal styles

4. color

The terga sterna and pleura of cockroach body are joined by

1. cementing glue

2. muscular issue

3. arthrodial membrane

4. cartilage

What is true regarding the morphology of Periplaneta americana?

1.  Head is formed by the fusion of 10 segments

2.  Hypopharynx acts as the tongue

3.  The first pair of wings arise from the prothorax

4.  Anal cerci are not seen in females

The first pair of wings of a cockroach arises from the:

1. Prothorax

2. Mesothorax

3. Metathorax

4. Anal styles

The terga,sterna and pleura of the cockroach body are joined by:

1. cementing glue
2. muscular tissue
3. arthrodial membrane
4. cartilage

Following are four statements A to D. Choose the option which includes a set of correct statements

A. In Periplaneta, males bear a pair of short, thread like anal styles which are absent in
females

B. In both sexes of Periplaneta, the 10th segment bears a pair of jointed filamentous structures called anal cerci

C. In cockroach mesothoracic wings (fore wings) are transparent, membranous and are used in flight

D. In female cockroach, there is a pair of mushroom glands

Options:

(1) A & C

(2) B & C

(3) A & B

(4) C & D

Tegmina arises from

(1) Prothorax

(2) Mesothorax

(3) Metathorax

(4) Neck region between head and thorax

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