Morphology and Anatomy of Earthworm
Morphology and Anatomy of Earthworm: Overview
This topic covers concepts, such as, External Morphology of Earthworm, Digestive System of Earthworm, Excretory System of Earthworm & Nervous System of Earthworm etc.
Important Questions on Morphology and Anatomy of Earthworm
Following are the statements about prostomium of earthworm.
(a) It serves as a covering for the mouth.
(b) It helps to open cracks in the soil into which it can crawl.
(c) It is one of the sensory structures.
(d) It is the first body segment.
In which one of the following organisms its excretory organs are correctly stated
Match the following with reference to earthworm
| List-I | List-II | ||
| (a) | segments | (i) | Cingulum |
| (b) | segments | (ii) | Stomach |
| (c) | segments | (iii) | Blood glands |
| (d) | segments | (iv) | Testes |
Earthworm has ------------------.
Nerve cord in earthworm is
Brain in earthworm is formed of
Which is correct about earthworm ?
Earthworm is
The septal and pharyngeal nephridia open into the alimentary canal and are of enteronephric type. It is an adaptation for
Pharyngeal nephridia of Pheretima are found in segments:
Which of the following is exonephric nephridia?
Which organ in earthworm is analogous to kidney of man?
Origin of nephridia in earthworm is
Chloragogen cells found in coelomic fluid of earthworms are analogous to vertebrate
Septal nephridia of earthworm pour excretory matter into
In earthworm, the "forest of nephridia" is in
Clitellar segments in earthworm are:
Chromophil cells in earthworm take part in secretion of mucus and are found in
In earthworm, the stomach is situated in
Gizzard in Pheretima is an organ
