WorksheetsANIMAL KINGDOM : NONCHORDATES
Total questions: 20
Worksheet time: 10mins
WHICH of the following is coelentrate :
sea cow
sea fan
sea hare
sea mouse
book lungs are found in :
a - crustaceans
b - spiders
c - arachnida
both b and c
GREEN GLAND is the structure present in :
mollusa
arthropoda
echinodermata
hemichordata
secretion of shell in mollusca take place by :
feather gills
visceral hump
mantle
mantle cavity
respiratory organs in mollusca is :
keber's organ
ctenidia
book gills
trachea
which of the following is found in both ceolentrates and achinoderms in adult stage :
tube feet
cnidoblasts on tentacles
radial symmetry
complete digestive system
fertilization in echinoderms is :
internal
external
self
bisexual
which is correct match :
Asterias - brittle star
aplysia - sea lily
antedon - sea hare
adamsia - sea anemone
unique feature of sea cucumber is :
feather like gills
water canal system
water vascular system
bilateral symmetry
tube feet in echinoderms helps in :
a - locomotion
b - respiration
both a and b
sedentary life
excretory structure in Ancyclostoma is :
flame cells
solenocytes
protonephridia
all
whose body remain segmented :
porifera
coelentrata
echnodermata
none
a radially symmetrical diploblastic animal is :
Asterias
Antedon
Pleurobranchia
spongilla
which of the following is euceolomate animal :
sand worm
flat worm
hook worm
round worm
life cycle is digenic in :
a -Fasciola hepatica
b - Taenia solium
c - Ascaris lumbricoides
both a and b
which is not an adaptation of parasitic life in flat worms :
flat body
thick cuticle on body
production of eggs in great number
presence of hook
haemocoel is found in :
hydra
ascaris
eupletella
Periplaneta
in crustaceans , respiration take place by :
book gills
book lungs
ctenidia
trachea
what will happen if a sponge is cut into maximum possible pieces :
sponge will die
pieces will differentiate
every piece will form a sponge
some pieces will develop in organs
in cephalopoda : Sepia
inner shell is found
outer shell is found
a folded shell is found
shell is absent
