A. 15
B. 10
C. 20
D. 30
Related Mcqs:
- Number of spiracles present in the thorax of cockroach is___________??
- Number of spiracles in the abdomen of cockroach is:
- How many spiracles are present in cockroach_____________??
- Two pairs of thoracic spiracles in cockroach are found on:
- The wax present on the body of cockroach is secreted:?
- Anal cerci in cockroach are present in between:
- When abdomen expands, the number of spiracles open is_____________??
- In grasshopper, the number of spiracles is:
- In which of the following insect the spiracles are absent?
- Part of brain not present in frog but present in rabbit is:
