In Pheretima, there are red coloured round bodies in 4th, 5th and 6th segments above the alimentary canal They are believed to be involved in

In Pheretima, there are red coloured round bodies in 4^(th),5^(th) and 6^(th) segments above the alimentary canal. They are believed to be involved in

In Pheretima, there are red coloured round bodies in 4^(th),5^(th) and 6^(th) segments above the alimentary canal. They are believed to be involved in

In Pheretima, there are red coloured round bodies in 4^(th),5^(th) and 6^(th) segments above the alimentary canal. They are believed to be involved in

In pheretima blood glands are present in which segments. 4^(th),5^(th) and 6^(th) segments

In pheretima blood glands are present in which segments. 4^(th),5^(th) and 6^(th) segments

Structures present only in 7^(th) and 9^(th) segments of pheretima posthuma are

Name the elements with which even and odd series of 4th, 5th and 6th periods begin.

The ratio of the distance through which a body falls in 4th, 5th and 6th second is starting from rest

Conside the following statements in accordance to the excretory system of the earthworm. I. Nepridia is segmentally arranged coiled tublue. II. Nephridia regulates the volume and composition of the body fiuids. III. There are three types of nephridia found in the earthworn. IV. Pharyngel nephridia is present as three paried trufts in the 4th, 5th and 6th segments. Which of the above statements is/ are correct ?