Which terga is visible in male cockroach?

So the correct answer is ‘Nine’.

Which is present in male cockroach?

Complete answer: The 9th sternum of the abdomen in male cockroaches, comprises of a pair of minor, unjointed anal styles and the 10th segment consists of elongated, anal cerci, and the sternum of mesothorax is not split. A pair of anal cerci are present in female cockroaches and have the presence of bifurcated sternum.

What is terga in cockroach?

tergum noun, plural terga – The superior, upper or dorsal portion of a segment (especially of the abdomen), separated from the venter by sutural lines, and divided into segments which are generally, especially in the case of the abdomen, perforated on each side, by the spiracles. May consist of several sclerites.

Is caudal style present in male cockroach?

Anal styles are also known as caudal styles. The anal styles are present at the 9th sternites. Anal styles are found in male cockroaches only.

How many Spermathecae are present in female cockroach?

So, the correct answer is ‘6th abdominal segment of female’.

Where is a cockroaches heart?

The dorsal sinus, located on the top of the cockroach, helps to send oxygenated blood to each chamber of the heart. But the heart isn’t there to move around oxygenated blood, Moore said.

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What type of vision is found in cockroach?

The two types of vision in a cockroach are mosaic vision or apposition and superposition or dull vision.

Which of the following is absent in female cockroach?

In cockroaches, males bear a pair of short, thread-like structures present at the posterior region, which are absent in females. Complete answer: Male and female cockroaches can be distinguished externally through anal style, which is present only in males and absent in female Cockroaches.

How will you identify male or female cockroach?

The difference between male and female cockroaches explained underneath.

Differentiate between male and female cockroach.

Male Cockroach Female Cockroach
The body of male cockroach is smaller than the female cockroach’s body. The body of female cockroach is relatively larger than the male body.
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