The number of correct statements, regarding cockroaches, among the given statements is:

I.	Dorsal sclerites are called sternites and ventral sclerites are called tergites.
II.	While the labrum is the upper lip and the labium is the lower lip, the hypopharynx acts as the tongue.
III.	Anal cerci are seen in both sexes but anal styles are found in male cockroaches only.
IV.	Each thoracic segment bears a pair of walking legs.
V.	Forewings called tegmina are used in flight while the hind wings are opaque, dark, and leathery.

1.  2       

2.  3

3.  4     

4.  5

Match each item in Column I with one in Column II and choose your answer from the codes given below:

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.

In male cockroaches, sperms are stored in which part of the reproductive system?

1. Seminal vesicles

2. Mushroom glands

3. Testes

4. Vas deferens

The body cells in cockroaches discharge the nitrogenous waste in the hemolymph mainly in the form of?

1. Ammonia

2. Potassium urate

3. Urea

4. Calcium carbonate