Gizzard in Pheretima is an organ:-
[CPMT- 80, 82, 84, 85, 90]
The gizzard is made of circular muscles and is internally lined by a cuticle. It acts as a grinder. After the gizzard, the food is pushed to the intestine where it is finally broken down into simpler compounds.
The function of typhlosole in earthworm to :-
Chloragogen cells of Pheretima are similar to human :-
[CPMT - 88]
Chloragogen cells are for :-
Earth worm contains blood pigment:-
[CPMT- 73, 85]
In which animal blood is red but blood corpuscles are absent ?
Blood from seminal vesicles and gonads is collected by :-
One pair of hearts in earthworm occur in segments
[CPMT - 90]
Which of the following is the character of dorsal blood vessel of earthworm ?
[CPMT - 80]
Which statement is true about earthworm:-
[CBSE - 90 ]
The flow of blood in the dorsal blood vessel of earthworm is :-
[CPMT - 86]
Which of the following pigment is found in the blood of Pheretima ?
Lateral oesophageal heart connects :
In earthworm neurons are :-
[BHU -79 ]
Which structure in earthworm is capable of secreting hormones ?
Pharyngeal nephridia of Pheretima are found in segments.
[C PMT -71]
Excretory organs in earthworm are :-
which of the following is exonephric nephridia ?
[CPMT - 75]
Septal nephridia of earth worm are:-
[ PMT - 76]
In earthworm the enteronephric nephridia open in :-
[CPMT - 79 ]
Nephrostome is found in earthworm in
Terminal ducts of septal nephridia of earthworm open in -
Which of the following structures are found in 7 and 9 segments of Pheretima :-
Earthworm is :-
f[CPMT - 85]
Septal nephridia of earthworm discharge excretory product into:-
[ RAJ PMT- 85]
Similarity between septal nephridia and Malpighian tubules is that :-
Origin of nephridia in earthworm is :-
[CPMT - 88]
Earthworms are triploblastic and they have three prominent germ layers known as endoderm, mesoderm and ectoderm. The nephridia occur in pairs and performs a function similar to the vertebrate kidney. They remove metabolic wastes from an animal's body. The nephridia of the earthworm are of ectodermal origin.
Similarily between Man and earthworm is:-
Spermatheca of Pheretima represent.
Sperms in Pheretima are stored in :-