Which of the following is a character of cockroach ?

Options

A. Reduced wing
B. Cocoon formation
C. segmented body
D. 13 - chambered heart

Answer

To determine which of the following is a character of a cockroach, we will analyze each option provided:

1. **Reduced Wing**: Cockroaches have wings, and they are not reduced. They possess two pairs of wings, with the forewings being thicker and serving as protective covers for the hindwings. Therefore, this option is incorrect.

2. **Cocoon Formation**: Cocoon formation is a characteristic associated with organisms like earthworms, not cockroaches. Cockroaches do not form cocoons; instead, they lay eggs in an ootheca (egg case). Thus, this option is also incorrect.

3. **Segmented Body**: While cockroaches do have a body that can be described as having segments, this term typically refers to internal segmentation, which is more pronounced in organisms like earthworms. Cockroaches exhibit external segmentation but do not have a true segmented body in the same sense. Therefore, this option is not the best answer.

4. **13 Chambered Heart**: Cockroaches possess a heart that is tubular and muscular, consisting of 13 chambers. This heart structure is unique to certain arthropods, including cockroaches, and is responsible for pumping hemolymph (the equivalent of blood in insects) throughout their body. This option is correct.

Based on the analysis above, the correct answer is:

**The character of a cockroach is a 13 chambered heart.**