fifth to twenty-sixth segment
first to twenty-sixth segment
fifteenth to twenty-sixth segment
immediately after clitellar region to twenty sixth segment
C. fifteenth to twenty-sixth segment
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
pharynx
stomach
typholsole
gizzard
integumentary nephridia
septal nephridia
pharyngeal nephridia
none of these
each intersegmental septum
septal excretory canal
lumen of the intestine
supra-intestinal excretory ducts
amylase
proteases
lipases
cocoon
integumentary
pharyngeal only
septal only
both (b) and (c)
coating of sperms
structure for storing sperms
male copula to ry organs
female copulatory organs
secretion of slime
excretion
absorption of digested food
crushing the food
Earthworm
Ascaris
Tapeworm
Insects
prostomium
peristomium
stomium
protostomium
kidneys
solenocytes
nephridia
green glands
distributive in 1-13 segments
collective in 1-13
completely distributive
completely collective
oligochaeta
polychaeta
hirudinea
archainnelida
40% urea and 40% uric acid
50% urea and 40% ammonia
40% ammonia and 20% amino acids
60% ammonia and 20% amino acids
Pharyngeal region
Clitellar region
Intestinal region
Typhlosolar region
17
18
19 and 22
17 and 19
sterile
unisexual
hermaphrodite
radial symmetrical
12,13 and 14 segments
13,14 and 15 segments
14,15 and 16 segments
16,17 and 1&segments
Liver of vertebrates
Choanocytes of sponges
Malpighian tubules of vertebrates
None of these
dorsal pores
coelomic pores
nephridial pores
anus
House fly
Frog
Nereis
All of these
from the posterior to the anterior end
from the anterior end to the posterior end
from dorsal vessel to ventral vessel
alternately in both directions (a) and (b)
7th, 8 th, 9th and 10th
8th, 10th, 12th and 15th
8th, 9th, 12th and 13th
7th, 9th, 12th and 13th
Hirudin
Heparin
Haematin
Haemozoin
excretion
digestion
secretion
none of these
producing sperms
storage of its own sperms
storage of sperms of another earthworm after copulation
all of these
metameric segmentation
true coelom
closed circulatory system
all of these
pharyngeal
integumentary
both (a) and (b)
none of these
Nereis
Hirudinaria
Heteroneresis
Pheretima
alimentary canal laiden with mud
blood
coelmic fluid
ventral nerve cord