Which of the following represent the intercellular matrix of a bone?

What is present on the 5th to 9th segments of the earthworm’s body?

Which of these is true about antennae of cockroaches?

In frogs, vasa efferentia arises from the _____

In how many segments is the body of cockroach divided?

How many ovarioles are present in a female cockroach?

Where are the male genital pores present in earthworm?

Some of the squamous epithelial cells get specialised for the secretion and are called the glandular epithelium.