Which one of the following species of earthworm is not recommended for vermicomposting?
Pheretima posthuma
Perionyx excavatus
Eudrilus eugeniae
Eisenia fetida
27 practice sets · Page 1 of 2
Which one of the following species of earthworm is not recommended for vermicomposting?
Pheretima posthuma
Perionyx excavatus
Eudrilus eugeniae
Eisenia fetida
Which of the following nephridia are not found in earthworm?
phayngeal nephridia
integumentary nephridia
macro nephridia
septal nephridia
The typhlosole in earthworm is related with
Respiration
Reproduction
Excretion
Absorption
The parasite found in the seminal vesicle of earthworm
Sarcocystis
Nyctotherus
Monocystis
Nosema
The nephridia of earthworm without nephrostomes are
septal
both a and c
Integumentary
Pharyngeal
The mode of respiration in earthworm is
Pulmonary
Subcutaneous
Cutaneous
Gills
The first body segment of earthworm is
Protostomium
Protostome
Peristome
Peristomium
The colour of the body in earthworm is brown due to the presence of
Blood
Haemocyanin
Porphyrin
Haemoglobin
The colour of body in earthworm is brown due to presence of
haemocyanin
porphyrin
blood
haemoglobin
Salivary gland in earthworm is found in
dorsal wall of buccal cavity
none of the above
pharyngeal wall
ventral wall of buccal cavity
Role of typhlosole in the intestine of earthworm is
to produce digestive enzymes
to kill bacteria
to increase absorptive surface
to control flow of blood
Region of Earthworm which is forest of nepphridia is
Typhlosolar region
Intestinal reagion
Clitellar region
Pharyngeal region
Occurrence of Earthworm in soil is indicated is
Heaps of small rounded pellets
Heaps of dry powder soil
Holes
Cast skin
Male genital aperture of earthworms is located in the segment
13
14
19
18
Major nitrogenous excertory material of Earthworm by
Uric acid
Ammonia
Urea
Amino acids
In earthworm, ovary is situated in segment
13
9
10
26
In Earthworm, genital papillae occur in segments
16 and 17
16 and 18
17 and 19
17 and 18
In earthworm fertilization occurs in
oviduct
water
coon
Ootheca
Earthworm possesses hearts
6 pairs
4 pairs
2 pairs
1
Earthworm is placed in the group of
Oligochaeta
Polychaeta
Hirudinea
Crustacea