In leech, excretion takes place by segmentally arranged paired tubules called as

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Solution

In leech, excretion takes place by segmentally arranged paired tubules called nephridia. There are 17 pairs of nephridia which open out by nephridiopores from 6th to 22nd segments.

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Similar questions

Which one of the following statements is incorrect?

(a) In cockroaches and prawns excretion of waste material occurs through Malpighian tubules.

(b) In ctenophores, locomotion is mediated by comb plates.

(d) Earthworms are hermaphrodites and yet cross fertilisation take place among them.

Solve the puzzle.

Across:

1. In leech, excretion takes place by segmentally arranged paired tubules called _________.

2. Leech has anterior and posterior ________.

Down:

3. _________ are absent in the leech.

4. _________ are absent in the leech.

Q. Solve the puzzle.

Across:

1. In leech, excretion takes place by segmentally arranged paired tubules called _________.

2. Leech has anterior and posterior ________.

Down:

3. In rabbit, _________ arch supplies
oxygenated blood to all part of the body.

4. _________ separates the nitrogenous
wastes from blood.

Q. In Pheretima, the excretory organs are segmentally arranged coiled tubules called nephridia. Identify the type of nephridia present in the 4th, 5th and the 6th segments.

Q. Respiration takes place through the skin in leech. Dense network of tiny blood vessels called as

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