mucus secreted by epidermis
segmentation of the body
rhythmic contraction of segments
setae and contraction of segments
excretion
digestion
secretion
none of these
fifth to twenty-sixth segment
first to twenty-sixth segment
fifteenth to twenty-sixth segment
immediately after clitellar region to twenty sixth segment
Pharyngeal region
Clitellar region
Intestinal region
Typhlosolar region
oviduct
spermatheca
cocoon
clitellum
coating of sperms
structure for storing sperms
male copula to ry organs
female copulatory organs
alimentary canal laiden with mud
blood
coelmic fluid
ventral nerve cord
Earthworm
Ascaris
Tapeworm
Insects
ovary
chloragogen cell
testes
ganglia
earthworm
ringworm
roundworm
clemworm
Hirudin
Heparin
Haematin
Haemozoin
oviduct
water
cocoon
ootheca
metameric segmentation
true coelom
closed circulatory system
all of these
producing sperms
storage of its own sperms
storage of sperms of another earthworm after copulation
all of these
they do not need them
they are burrowing in habit
there is no sufficient space for such organs
the surface acts as an absorptive area which is larger than the volume
sterile
unisexual
hermaphrodite
radial symmetrical
liver of invertebrates
liver of vertebrates
kidney of vertebrates
uriniferous tubules of vertebrates
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)
10th
12th
14th
18th
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
amylase
proteases
lipases
cocoon
7th, 8 th, 9th and 10th
8th, 10th, 12th and 15th
8th, 9th, 12th and 13th
7th, 9th, 12th and 13th
pharynx
stomach
typholsole
gizzard
prostomium
peristomium
stomium
protostomium
integumentary
pharyngeal only
septal only
both (b) and (c)
to kill bacteria
to increase absorptive surface
to produce digestive enzymes
to control blood flow
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
House fly
Frog
Nereis
All of these
Nereis
Hirudinaria
Heteroneresis
Pheretima