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

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

Tick mark the statement which is not correct with respect to cockroach?

1.  In cockroach the grinding of the food particles is performed by mandibles & gizzard.

2.  Malpighian tabules help in the removal of nitrogenous wastes in the form of urea & ammonia.

3.  Midgut gut of cockroach absorb food.

4.  Main body cavity is called haemocoel.

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

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

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

The male and female cockroaches can be distinguished by their:

1. size

2. wings

3. anal styles

4. color

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

2. Anal cerci

3. Anal styles

4. Male rabbit