Sclerites is a component section of an exoskeleton, especially each of the plates forming the skeleton of an arthropod. It is present in all the body segments of cockroach.
How many sclerites are present in cockroach?
(a) Each abdominal segment is covered with 4 sclerites :dorsal tergum, ventral sternum and two lateral pleura. (b) There are 10 terga and nine sterna in the abdomen of cockroach .
What is sclerites class 11?
(i) Sclerites The body of cockroach is externally covered by hard brown chitinous plates called sclerites, which constitute the exoskeleton. (ii) Arthroidal membrane The sclerites are joined with one another by thin flexible, soft articular membrane called arthroidal membrane.
What is the role of hypopharynx in cockroach?
The maxillae in cockroaches are paired and serve the primary function of tasting food. The hypopharynx is closely associated with salivary glands and functions as the tongue that helps in the movement of food in the preoral cavity.
Is cockroach in NEET syllabus 2021?
No, frog and earthworm are not included in NEET syllabus of biology, in your NEET syllabus there is only brief account on the digestive, circulatory, respiratory, nervous and reproductive for cockroach only.
Are cockroaches Ureotelic?
– As cockroaches are reptile insects and Cockroaches excrete nitrogenous compounds as waste material or we can say cockroaches excrete uric acid as waste material, which is why they are known as Uricotelic insects. Hence from the above discussion, it can be concluded that the cockroaches are uricotelic.
Do cockroaches have a mouth?
Cockroaches do have mouths, of course, but they prefer to use them to eat soft things like fruits and meats. … However, cockroaches have mouthparts which are very much like other insects and are composed of several moving parts including: Labrum – the front part of the mouth.