Which one of the following is the correct description about the animal concerned?
Biology · Class 11 · CBSE — Structural Organisation in Animals
Which one of the following is the correct description about the animal concerned?
- Smooth muscle - The fibres are fusiform and show striations
- Cockroach - 10 pairs of spiracles (2 pairs on thorax and 8 pairs on abdomen)
- Earthworm - The alimentary canal consists of a sequence of pharynx, oesophagus, stomach, gizzard and intestine
- Frog - Body divisible into three regions: head, neck and trunk
Answer
(B) Cockroach - 10 pairs of spiracles (2 pairs on thorax and 8 pairs on abdomen)
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