Which of the following statements is correct ?
Blood of earthworm is blue in colour
Blood pigment of earthworm is haemocyanin
Blood pigment of earthworm is red and haemoglobin is dissolved in plasma
Blood of earthworm is red and haemoglobin is dissolved in RBC
- The gizzard of earthworm is an organ of
- The female genital aperture in earthworm is present ventrally on segment
- Earthworms do not have any respiratory organs because
- In earthworm, the septal nephridia put their excretory discharge into
- Metamerism is present in
- Pheretima is
- A skeleton like function during locomotion of Pheretima is performed by
- In earthworm fertilisation occurs in
- Locomotion in Earthworm is directly facilitated by
- In Pheretima, the blood glands are located
- Which of the following statements is correct ?
- Haemoglobin is dissolved in plasma is
- The enteronephric nephridia in earthworm are
- The direction of blood flow in the dorsal vessel of earthworm is
- The fertilization in earthworms occurs in
- Nereis is commonly called
- The terminal nephridial ducts of the septal nephridia of Pheretima open into
- Spermathecae in earthworm represent
- A chitinous lining in earthworm is found in
- In earthworm, the first segment in which mouth is situated is known as
- The nitrogenous waste in earthworm consist of about
- Chetae are totally absent in
- In earthworm, the genital papillae are situated ventrally on segments
- Earthworm is useful because it
- In the blood vascular system of earthworm there are four pairs of hearts present in the first 13 segments.…
- Blood glands in Earthworm are associated with
- In earthworm, the circular muscles are highly developed in
- The coelom in Pherethna is
- Annelids show advancement over the nematoda in having
- In earthworm, the nephridia without neprostomes are