Chetae are totally absent in
Nereis
Hirudinaria
Heteroneresis
Pheretima
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- The terminal nephridial ducts of the septal nephridia of Pheretima open into
- The fertilization in earthworms occurs in
- The dorsal blood vessel in earthworm is
- The number of segments in leech is
- Blood glands in Earthworm are associated with
- Role of typhlosole in the intestine of earthworm is
- Which of the following statements is correct ?
- Annelids show advancement over the nematoda in having
- The female genital aperture in earthworm is present ventrally on segment
- Haemoglobin is dissolved in plasma is
- Chloragogen cells of Pheretima play a role very much like that of
- In earthworm testes are situated in the
- Earthworm has no skeleton but during burrowing, the anterior end becomes turgid and acts as a hydraulic…
- Nephrostomes are found in
- The enteronephric nephridia in earthworm are
- Earthworms do not have any respiratory organs because
- Anticoagulant secreted by leech is
- The septal and pharyngeal nephridia open into the alimentary canal and are of enteronephric type. It…
- In earthworm, the circular muscles are highly developed in
- Totally marine annelids belong to the
- In earthworm, the septal nephridia put their excretory discharge into
- A skeleton like function during locomotion of Pheretima is performed by
- Nereis is commonly called
- Pheretima is
- Chetae are totally absent in
- The direction of blood flow in the dorsal vessel of earthworm is
- The cliteilum singulum in earthworm is formed by
- The nitrogenous waste in earthworm consist of about
- In earthworm, the first segment in which mouth is situated is known as
- A chitinous lining in earthworm is found in