Which mouth part of cockroach acts as a tongue?
1. Labrum | 2. Labium |
3. Maxilla | 4. Hypopharynx |
The tegmina in Periplaneta americana are:
1. | Mesothoracic forewings not used in flight |
2. | Mesothoracic forewings used in flight |
3. | Metathoracic hindwings not used in flight |
4. | Metathoracic hindwings used in flight |
The genital pouch in the female cockroach does not have:
1. Gonopore
2. Phallomeres
3. Collateral glands opening
4. Spermethecal pores
Anal cerci in Periplaneta americana:
1. | are present in the 9th segment in both sexes |
2. | are present only in males |
3. | are present in the 10th segment in both sexes |
4. | are present only in females |
In the given diagram of alimentary canal of cockroach, A,B, C and D respectively are:
1. | Gizzard, Crop, Hepatic cecae and Malpighian tubules |
2. | Gizzard, Crop, Malpighian tubules and Hepatic cecae |
3. | Crop, Gizzard, Hepatic cecae and Malpighian tubules |
4. | Crop, Gizzard, Malpighian tubules and Hepatic cecae |
Ommatidia are:
1. simple eyes of cockroach
2. compound eyes of cockroach
3. subunits of compound eyes in cockroach
4. subunits of simple eyes in cockroach
Which of the following is not a part of male cockroach reproductive system?
1. Phallic gland
2. Collaterial gland
3. Mushroom gland
4. Phallomeres
Which of the following is not a part of female cockroach reproductive system?
1. Oviduct
2. Spermathecae
3. Seminal vesicles
4. Ovarioles
The fertilized eggs of cockroach are encased in capsules called:
1. | Oothecae | 2. | Spermathecae |
3. | Spermatophores | 4. | Ovarioles |
Which one of the following types of cell is involved in making of the inner walls of large blood vessels?
1. Cuboidal epithelium
2. Columnar epithelium
3. Squamous epithelium
4. Stratified epithelium