Nematocysts are found only in:
A.Porifera
B.Coelentrata
C.Platyhelminthes
D.Annelida
A.Porifera
B.Coelentrata
C.Platyhelminthes
D.Annelida
A.Emboly
B.Delamination
C.Invagination
D.Epiboly
A.Physaila
B.Obelia
C.Both (a) & (b)
D.None of these
A.Bilateral symmetry
B.Radial symmetry
C.Irregular symmetry
D.None of these
A.Earthworm
B.Cockroach
C.Frog
D.Hydra
A.Medusa only
B.Polyps only
C.Both (a) & (b)
D.None of these
A.Asexual and trophic phase
B.Sexual and trophic phase
C.Only sexual phawse
D.None of these
A.Sponges
B.Cnidarian
C.Earthworm
D.Helminths
A.Hydra
B.Physailia
C.Aurelia
D.All of these
A.Hypostome
B.Nematocyst
C.Tentacles
D.Mouth