Which of these is not true about areolar tissue?

In which abdominal segment are the anal cerci present in cockroach?

Which of these is not a division of thorax in a cockroach?

What are earthworms commonly called as?

Which of the following statements is false about cockroaches?

Open blood vascular system is present in Pheretima.

The structure of the cell varies according to which of the following?

Ventral sclerites are known as tergites and dorsal sclerites are known as sternites.