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WorksheetsXI - ZOO - CHAP - 2
Total questions: 20
Worksheet time: 10mins
Classification of sponges is primarily based on the
a) Body organization
b) body plan
c) skeleton
d) canal system
Symmetry is Cnidaria is
a) Radial
b) bilateral
c) pentamerous
d) spherical
Cavity of coolenterates is called
a) Coelenteron
b) coelom
c) cavity
d) none of these
Sea anemone bolongs to phylum
a) Protozoa
b) porifera
c) coelenterata
d) echinodermata
The excretory cells that are found in Platyhelminthes.
a) Protonephridia
b) flame cells
c) Solenocytes
d) All of these
Phylum of Taenia Solium is
a) Aschelminthes
b) Annelids
c) platylyelminthes
d) mollusca
Which of the following animals has a true coelom?
a) Ascaris
b) pheretima
c) sycon
d) Taenia solium
Body cavity lined by mesoderm is called
a) Coelenteron
b) pseudocoel
c) coelom
d) blastocoel
Which of the following have the highest number of species in nature?
a) Insects
b) Birds
c) Angiosperms
d) Fungi
The execratory organ in cockroach is
a) malplghian corpuscle
b) Malpighian tubules
c) green gland
d) Metanephridia
Exoskeleton of which phylum consists of chitinous cuticle?
a) Annelida
b) porifera
c) Arthropoda
d) Echinodermata
The second largest phylum in the animal kingdom is
a) Annelida
b) Arthropoda
c) Mollusca
d) Chordata
Tube feet are the locomotory organs of
a) Platyhelminthes
b) Echinodermata
c) Mollusca
d) Arthropoda
A four chambered heart is not found in
a) Mammals
b) crocodile
c) birds
d) snake
Water vascular system in Echinodermata help in ---------------
a) Locomotion
b) capture and transport of food
c) Respiration
d) all the above
Cnidoblasts are used for.........
a) Anchorage
b) Defence
c) Capture
d) All of the given
Collar cells are found in
a) Sponges
b) roundworms
c) earthworm
d) spider
The canal system is the characteristic feature of
a) Arthropods
b) Mollusca
c) sponges
d) echinoderms
Skeleton is made up of .......... in porifera.
a) Spicules
b) Spongin
c) Both a and b
d) Chitin
Which of the following is rightly matched?
a) Physalia - Portuguese man of war
b) pennatula - sea fan
c) Adamsia - sea-pen
d) gorgonian - sea anemone
