Questions No:1
Diploblastic organism among the following is
[A] an echinoderm
[B] a cephalochordate
[C] a cnidarians
[D] a fish
Questions No:2
Diploblastic animals are with
[A] differentiated ectoderm
[B] undifferentiated mesoglea
[C] differentiated endoderm
[D] all of these
Questions No:3
Triploblastic animal differ from diploblastic animal by having differentiated
[A] ectoderm
[B] mesoderm
[C] endoderm
[D] all of these
Questions No:4
Triploblastic animals show
[A] asymmetry
[B] radial symetry
[C] bilateral symmetry
[D] spherical symmetry
Questions No:5
All the members of animalia are
[A] eumetazoans
[B] unicellular
[C] multicellular
[D] with tissues
Questions No:6
Cellular level of organisation is shown by
[A] sponges
[B] coelenterates
[C] protozoans
[D] triploblasticans
Questions No:7
Tissue level of organisation is shown by
[A] sponges
[B] coelenterates
[C] both 1 & 2
[D] triploblasticans
Questions No:8
Organ-system level of organisation is shown by
[A] sponges
[B] coelenterates
[C] diploblasticans
[D] triploblasticans
Questions No:9
Alimentary canal has single opening in
[A] echinoderms
[B] platyhelminths
[C] nematodes
[D] annelids
Questions No:10
A complete digestive system seen in
[A] coelenterates
[B] platyhelminths
[C] ctenophores
[D] annelids
Questions No:11
Blood pumped out of heart bathes the tissues directly, in…….type of circulatory system
[A] closed
[B] open
[C] both (1) and (2)
[D] none of these
Questions No:12
Circultory system for the first time developed in
[A] Platyhelminthes
[B] Aschelminthes
[C] Arthropoda
[D] Annelida
Questions No:13
Most sponges exhibit
[A] bilateral symmetry
[B] radial symmetry
[C] asymmetry
[D] spherical symmetry
Questions No:14
Type of symmetry with only one central axis but many planes is
[A] bilateral symmetry
[B] radial symmetry
[C] asymmetry
[D] spherical symmetry
Questions No:15
Body forms left and right antimeres in only one plane in
[A] Mollusca
[B] Echinodermata
[C] Ctenophora
[D] Cnidaria
Questions No:16
Which group differs from rest of the three regarding symmetry?
[A] Echinoderms
[B] Annelids
[C] Coelenterates
[D] Ctenophores
Questions No:17
Body can be divided into identical halves in many planes, passing through central axis in
[A] an arthropod
[B] a fish
[C] a coelenterate
[D] a mollusk
Questions No:18
Coelom is lined by
[A] ectoderm
[B] mesoderm
[C] ectoderm
[D] all of these
Questions No:19
Body cavity is lined by mesoderm in
[A] Aschelminthes
[B] Annelida
[C] Platyhelminthes
[D] Ctenophora
Questions No:20
Pseudocoelom is present in a
[A] fish
[B] tapeworm
[C] nematode
[D] mammal