Practice free Structural Organisation in Animals (Zoology) NEET multiple-choice questions online with instant answers and detailed explanations. No login required.
Cockroach searches its food with the help of..........
Cockroaches use their antennae to search for food. The antennae are sensory organs that help in detecting chemical signals, vibrations, and other environmental cues which guide them towards food sources.
In alimentary canal of Cockroach............ cells of midgut and hepatic caeca secrete enzymes.
In the alimentary canal of a cockroach, the columnar cells of the midgut and hepatic caeca secrete digestive enzymes. These enzymes help in the breakdown of food particles for easier absorption.
The haemolymph of Cockroach is mostly composed of .......... and ..........
The heart of Cockroach is made up of........ units.
Blood from sinuses enters in the heart of Cockroach through ..........
Blood from the sinuses enters the heart of a cockroach through ostia. Ostia are valvular openings located on the sides of each heart chamber. These openings allow the haemolymph to flow into the heart from the body cavity, ensuring circulation throughout the insect's body.
How many number of Ostia are present at the posterior end of heart of Cockroach ?
In the heart of a cockroach, there are 2 pairs of ostia at the posterior end. Ostia are small openings that allow the hemolymph to enter the heart from the sinuses. This is a key feature in the circulatory system of a cockroach.
Which is the path of blood circulation in Cockroach ?
The circulatory system of a cockroach is open type. The heart pumps the hemolymph into the sinuses, and from there it returns to the heart. Hence, the correct path is 'Heart - sinuses - heart'.
Total how many spiracles occur in Cockroach ?
A cockroach has a total of 10 pairs i.e. 20 spiralces in all. These are organised as 2 pairs of thoracic spiracles and 8 pairs of abdominal spirales
In Cockroach how many spiracles are present in thoracic region and how many spiracles are present in abdominal region ?
Cockroaches have a total of 10 pairs of spiracles. Out of these, 2 pairs are located in the thoracic region, and 8 pairs are located in the abdominal region. Spiracles are external respiratory openings.
The type of caartilage present in the epiglottis, pinna and tip of the nose is:
Factual
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