Which of the following is cephalic appendages of cockroach?

Cephalic appendages : The four pair of head appendages include antennae, mandibles, first maxillae and second maxillae.

What are the sensory appendages in cockroach known as?

Their antennae, also known as feelers, are responsible for their sense of smell. Cockroaches have two small appendages on their abdomens, known as the cerci, which act as sensors.

In which segment of cockroach appendages are absent?

Complete answer: In cockroaches, prothorax is the anterior segment of the thorax of an insect and this segment does not bear any wings.

Why is cockroach Arthropoda?

From there, the cockroach divides off into phylum Arthropoda, a term literally meaning ‘‘jointed appendages. … Arthropods are characterized by their jointed appendages, which are their legs, and tough exoskeleton….

Why cockroach blood is white?

Thus, in the cockroach, the hemolymph is colorless. The blood of the cockroach does not carry oxygen and also they don’t have vessels. So the blood of cockroaches can be said to be colorless or white as well.

Which are sensory structures in cockroach?

Sensory organs found in cockroach are 1. Antennae 2. Maxillary palps 3. Compound eyes 4. Labial palps 5. Anal cerci (Write any four)

  • Antennae.
  • Maxillary palps.
  • Compound eyes.
  • Labial palps.
  • Anal cerci.
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Which is absent in blood of cockroach?

The blood of the cockroach is colorless due to the absence of haemoglobin which is the respiratory pigment in blood. Therefore, its blood lacks respiratory pigment or haemoglobin.

Is Prothorax absent in periplaneta?

So the correct answer is ‘Prothorax‘.

What is the function of Prothorax in cockroach?

Learn about this topic in these articles:

The prothorax bears the first pair of legs and a pair of respiratory openings (spiracles). The much larger mesothorax bears the second pair of legs, a second pair of spiracles, and the pair of forewings.

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