The nitrogenous waste in earthworm consist of about
40% urea and 40% uric acid
50% urea and 40% ammonia
40% ammonia and 20% amino acids
60% ammonia and 20% amino acids
- In the blood vascular system of earthworm there are four pairs of hearts present in the first 13 segments.…
- Earthworms do not have any respiratory organs because
- In earthworm, the circular muscles are highly developed in
- Structure typically represented in every segment of earthworm is
- Metamerism is present in
- A chitinous lining in earthworm is found in
- The cliteilum singulum in earthworm is formed by
- Annelids show advancement over the nematoda in having
- Earthworm has no skeleton but during burrowing, the anterior end becomes turgid and acts as a hydraulic…
- The number of segments in leech is
- The dorsal blood vessel in earthworm is
- In Pheretima, the blood glands are located
- The female genital aperture in earthworm is present ventrally on segment
- The nitrogenous waste in earthworm consist of about
- Pheretima is
- Haemoglobin is dissolved in plasma is
- Earthworm is useful because it
- Blood glands in Earthworm are associated with
- Sperma thecae in earthworm are meant few
- The coelom in Pherethna is
- In earthworm, the septal nephridia put their excretory discharge into
- The excretory organs of earthworm are
- Which region in earthworm is the forest of nephridia ?
- Nereis is commonly called
- Chromophil cells in earthworm are concerned with the secretion of
- A skeleton like function during locomotion of Pheretima is performed by
- The enteronephric nephridia in earthworm are
- Chloragogen cells of Pheretima play a role very much like that of
- Role of typhlosole in the intestine of earthworm is
- In earthworm testes are situated in the