Which mouthparts of cockroach is paired?

Answer: The mouth parts of cockroach are of biting and chewing type consisting of labrum (upper lip), a pair of mandibles, a pair of maxillae and a labium (lower lip).

Is mandible paired in cockroach?

Hint: Cockroaches have mandibles. They are a pair of short structures situated on either side of the mouth. … The cockroach’s mouth consists of a pair of appendages.

Which of the following mouthparts of cockroach are unpaired?

Complete answer: Cockroach is the member of the phylum Arthropoda, class Insecta, order Blattodea, this order also includes termites. Mouthparts of this insect include three appendages, a paired mandibles, a paired maxillae, and an unpaired labium as well as additional head structures; the labrum and the hypopharynx.

What type of mouthparts do you observe in cockroach?

The mouthparts of the cockroach can be of biting and chewing type. They have a labrum, a pair of mandibles, a pair of maxillae, and a labium. These sections of the mouth are involved in the nutritional searches and their intakes.

How many of the given structures in cockroach are paired?

It includes three pairs of legs – cockroaches have six legs total – and two pairs of wings. There is a plate behind the head called the pronotum. Adult cockroaches have wings. The abdomen consists of reproductive organs.

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Is the tongue of cockroach?

The mouth parts of cockroach are of biting and chewing type consisting of labrum (upper lip), a pair of mandibles, a pair of maxillae and a labium (lower lip). Within the oral cavity enclosed by the mouthparts, lies a median flexible lobe called hypopharynx (tongue).

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.

Why blood of cockroach is called hemolymph?

In cockroaches, the circulating fluid or blood does not flow through the vessels. They come in direct contact with the tissues while flowing in the hemocoel. This is the reason why the blood of cockroaches is called hemolymph.

What are the five major parts of cockroach mouth?

Sections of the mouth include labrum, mandibles, first pair of maxillae, labium or second pair of maxillae and hypopharynx.

Does cockroach have Schizocoelom?

In embryonic development, it is the middle germ layer. Schizocoelom one part is attached to the ectoderm and the other part surrounds the endoderm. … The embryonic gut wall develops Enterocoel in the cockroach and this will be found from Echinodermata to Chordata.

What forms the upper lip of cockroach?

Labrum – The dorsal side of the head capsule which is broad, flattened terminal sclerite, and can move articulated to the clypeus. This acts as an upper lip in the cockroach.

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How many are unpaired structures of cockroach?

Correct Answer: (3) Tergites, labium, hypopharynx, genital pouch, labrum are unpaired, while mandible are one pair and tegmina(forewings) are also one pair.

How many eggs are in an Ootheca?

German Cockroach Eggs

One ootheca can contain up to 50 eggs. Egg to adult takes 103 days, on average. Because they produce so many eggs that develop so quickly, their population grows very rapidly.

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