In earthworm, the circular muscles are highly developed in
body wall
gizzard
typholsole
pharynx
- Which region in earthworm is the forest of nephridia ?
- In earthworm, the nephridia without neprostomes are
- A chitinous lining in earthworm is found in
- Pheretima is
- Nereis is commonly called
- 5. The pre-typhlosolar region in Pheretima extends from
- Blood glands in Earthworm are associated with
- The excretory organs of earthworm are
- In earthworm, the genital papillae are situated ventrally on segments
- Chromophil cells in earthworm are concerned with the secretion of
- The enteronephric nephridia in earthworm are
- Structure typically represented in every segment of earthworm is
- A skeleton like function during locomotion of Pheretima is performed by
- The female genital aperture in earthworm is present ventrally on segment
- In earthworm, the first segment in which mouth is situated is known as
- Earthworm has no skeleton but during burrowing, the anterior end becomes turgid and acts as a hydraulic…
- In earthworm, the septal nephridia put their excretory discharge into
- Nephrostomes are found in
- The direction of blood flow in the dorsal vessel of earthworm is
- Earthworm is useful because it
- Chloragogen cells of Pheretima play a role very much like that of
- Anticoagulant secreted by leech is
- Haemoglobin is dissolved in plasma is
- Which of the following statements is correct ?
- The cliteilum singulum in earthworm is formed by
- Annelids show advancement over the nematoda in having
- The dorsal blood vessel in earthworm is
- The fertilization in earthworms occurs in
- The chloragogen cells of earthworm are analogous to
- The nitrogenous waste in earthworm consist of about