Haemoglobin is dissolved in plasma is
Earthworm
Ascaris
Tapeworm
Insects
Correct Answer :
A. Earthworm
Related Questions
The excretory organs of earthworm are
kidneys
solenocytes
nephridia
green glands
The direction of blood flow in the dorsal vessel of earthworm is
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)
Totally marine annelids belong to the
oligochaeta
polychaeta
hirudinea
archainnelida
A skeleton like function during locomotion of Pheretima is performed by
alimentary canal laiden with mud
blood
coelmic fluid
ventral nerve cord
Earthworms do not have any respiratory organs because
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
Structure typically represented in every segment of earthworm is
ovary
chloragogen cell
testes
ganglia
In earthworm, the septal nephridia put their excretory discharge into
intestine
blood
coelom
gizzard
The female genital aperture in earthworm is present ventrally on segment
10th
12th
14th
18th
Metamerism is present in
House fly
Frog
Nereis
All of these
Haemoglobin is dissolved in plasma is
Earthworm
Ascaris
Tapeworm
Insects
Which region in earthworm is the forest of nephridia ?
Pharyngeal region
Clitellar region
Intestinal region
Typhlosolar region
In earthworm fertilisation occurs in
oviduct
water
cocoon
ootheca
Spermathecae in earthworm represent
coating of sperms
structure for storing sperms
male copula to ry organs
female copulatory organs
The number of segments in leech is
26
33
44
120
The terminal nephridial ducts of the septal nephridia of Pheretima open into
each intersegmental septum
septal excretory canal
lumen of the intestine
supra-intestinal excretory ducts
Chetae are totally absent in
Nereis
Hirudinaria
Heteroneresis
Pheretima
Chromophil cells in earthworm are concerned with the secretion of
amylase
proteases
lipases
cocoon
A chitinous lining in earthworm is found in
pharynx
stomach
typholsole
gizzard
In the blood vascular system of earthworm there are four pairs of hearts present in the first 13 segments. These are situated in the segments
7th, 8 th, 9th and 10th
8th, 10th, 12th and 15th
8th, 9th, 12th and 13th
7th, 9th, 12th and 13th
Blood glands in Earthworm are associated with
excretion
digestion
secretion
none of these
Role of typhlosole in the intestine of earthworm is
to kill bacteria
to increase absorptive surface
to produce digestive enzymes
to control blood flow
The enteronephric nephridia in earthworm are
integumentary
pharyngeal only
septal only
both (b) and (c)
Anticoagulant secreted by leech is
Hirudin
Heparin
Haematin
Haemozoin
The chloragogen cells of earthworm are analogous to
liver of invertebrates
liver of vertebrates
kidney of vertebrates
uriniferous tubules of vertebrates
The gizzard of earthworm is an organ of
secretion of slime
excretion
absorption of digested food
crushing the food
5. The pre-typhlosolar region in Pheretima extends from
fifth to twenty-sixth segment
first to twenty-sixth segment
fifteenth to twenty-sixth segment
immediately after clitellar region to twenty sixth segment
In earthworm, the circular muscles are highly developed in
body wall
gizzard
typholsole
pharynx
Nereis is commonly called
earthworm
ringworm
roundworm
clemworm
In earthworm testes are situated in the
10th and 11th segments
11th and 12th segments
14th and 15th segments
none of these
The coelom in Pherethna is
continuous throughout
continuous throughout except in first 26 segments
continuous only in first four segments
divided into a number of compartments throughout