ovary
chloragogen cell
testes
ganglia
D. ganglia
oviduct
water
cocoon
ootheca
amylase
proteases
lipases
cocoon
each intersegmental septum
septal excretory canal
lumen of the intestine
supra-intestinal excretory ducts
earthworm
ringworm
roundworm
clemworm
sterile
unisexual
hermaphrodite
radial symmetrical
House fly
Frog
Nereis
All of these
ovary
chloragogen cell
testes
ganglia
prostomium
peristomium
stomium
protostomium
oviduct
spermatheca
cocoon
clitellum
metameric segmentation
true coelom
closed circulatory system
all of these
17
18
19 and 22
17 and 19
12,13 and 14 segments
13,14 and 15 segments
14,15 and 16 segments
16,17 and 1&segments
10th and 11th segments
11th and 12th segments
14th and 15th segments
none of these
liver of invertebrates
liver of vertebrates
kidney of vertebrates
uriniferous tubules of vertebrates
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
generally at night during rainy season
generally at day time during rainy season
at night during winter season
at night during summer season
alimentary canal laiden with mud
blood
coelmic fluid
ventral nerve cord
conservation of water
conservation of heat
regulation of temperature
regulation of amino acids
producing sperms
storage of its own sperms
storage of sperms of another earthworm after copulation
all of these
helps in fixing atmospheric nitrogen
helps in making the land porous
kills harmful bacteria of the soil
helps in making the land fertile by turning it upside down
coating of sperms
structure for storing sperms
male copula to ry organs
female copulatory organs
distributive in 1-13 segments
collective in 1-13
completely distributive
completely collective
excretion
digestion
secretion
none of these
continuous throughout
continuous throughout except in first 26 segments
continuous only in first four segments
divided into a number of compartments throughout
body wall
gizzard
typholsole
pharynx
40% urea and 40% uric acid
50% urea and 40% ammonia
40% ammonia and 20% amino acids
60% ammonia and 20% amino acids
dorsal pores
coelomic pores
nephridial pores
anus
pharynx
stomach
typholsole
gizzard
oligochaeta
polychaeta
hirudinea
archainnelida
fifth to twenty-sixth segment
first to twenty-sixth segment
fifteenth to twenty-sixth segment
immediately after clitellar region to twenty sixth segment