12,13 and 14 segments
13,14 and 15 segments
14,15 and 16 segments
16,17 and 1&segments
C. 14,15 and 16 segments
conservation of water
conservation of heat
regulation of temperature
regulation of amino acids
Earthworm
Ascaris
Tapeworm
Insects
oviduct
spermatheca
cocoon
clitellum
secretion of slime
excretion
absorption of digested food
crushing the food
12,13 and 14 segments
13,14 and 15 segments
14,15 and 16 segments
16,17 and 1&segments
Pharyngeal region
Clitellar region
Intestinal region
Typhlosolar region
continuous throughout
continuous throughout except in first 26 segments
continuous only in first four segments
divided into a number of compartments throughout
metameric segmentation
true coelom
closed circulatory system
all of these
dorsal pores
coelomic pores
nephridial pores
anus
prostomium
peristomium
stomium
protostomium
alimentary canal laiden with mud
blood
coelmic fluid
ventral nerve cord
fifth to twenty-sixth segment
first to twenty-sixth segment
fifteenth to twenty-sixth segment
immediately after clitellar region to twenty sixth segment
Liver of vertebrates
Choanocytes of sponges
Malpighian tubules of vertebrates
None of these
10th
12th
14th
18th
pharynx
stomach
typholsole
gizzard
40% urea and 40% uric acid
50% urea and 40% ammonia
40% ammonia and 20% amino acids
60% ammonia and 20% amino acids
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
oligochaeta
polychaeta
hirudinea
archainnelida
close to lateral hearts in segments 12 and 13
along the latero-oesophageal hearts in segments 12 and 13
both (a) and (b)
behind the pharyngeal mass in segments 4, 5 and 6
Hirudin
Heparin
Haematin
Haemozoin
distributive in 1-13 segments
collective in 1-13
completely distributive
completely collective
setae
circular muscles
coelomic fluid
longitudinal muscles
oviduct
water
cocoon
ootheca
17
18
19 and 22
17 and 19
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
liver of invertebrates
liver of vertebrates
kidney of vertebrates
uriniferous tubules of vertebrates
10th and 11th segments
11th and 12th segments
14th and 15th segments
none of these
intestine
blood
coelom
gizzard
to kill bacteria
to increase absorptive surface
to produce digestive enzymes
to control blood flow
ovary
chloragogen cell
testes
ganglia